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Studio DriveRack Manual 6/18/03

1. DriveRack studio dbx PROFESSIONAL PRODUCTS A Factory Reset In the event that a reset is required the DriveRack Studio offers you the option of performing a Soft or Hard reset The Soft Reset resets all operating parameters except user programs The Hard Reset Procedure will reset all program mable information back to the factory defaults All Power Up Functions require a button s to be pressed and held as the unit power is turned on DriveRack Studio Power Up Button Functions Factory Hard Reset Press and hold the lt STORE gt button at power up until the following message appears e Pressing the lt PREV PAGE gt baton will start a ee Reset All User Programs will become copies of the Factory Programs all Utility settings will be defaulted and all Security settings will be defaulted e Pressing the lt PROGRAM gt button will abort the Factory Reset sequence and the unit will reset normally System SOFT Reset e Press and hold the lt UTILITY gt button at power up until the following message appears e Pressing the lt PREV PAGE gt button will start a System Reset All Utility settings will be defaulted e Pressing the lt PROGRAM gt button will abort the System Reset sequence and the unit will reset normally A 2 Power Up Quick Key Options The DriveRack Studio offer several Quick Key options for initial power up and are as follow Change Initial Program Number e
2. 14 2 6 Navigating the Feedback Suppression Section 15 2 7 Navigating the Comp Limiter Section 15 2 8 Navigating the Speaker Alignment Delay A TO 15 2 9 Navigating the Utility Section 16 2 10 Navigating the Wizard Section 16 Section 3 Operating the DriveRack Studio 3 1 Program Definition 18 3 2 Navigating Factory Programs 18 3 3 Editing Factory Programs 18 Section 4 Detailed Parameters 4 1 Pre Crossover Graphic EO 22 4 2 Advanced Feedback Suppressor 22 4 3 Subharmonic Synthesizer 23 4 4 CLOSSOVEE E 24 4 5 Post Crossover Parametric EO 25 4 6 Compressor Limiter ooo 25 4 7 Speaker Alignment Delay 27 Table of Contents MIME sec dbx PROFESSIONAL PRODUCTS DriveRack Studio Table of Contents Section 5 Application Guide 5 1 2X4 CTOSSOVET coooococococonononoconncoonononoronononaconnninos 30 5 2 Monitor Matrix Switcher 31 5 3 DriveRack Studio as a Studio Effects Unit 32 Appendix AL Factory Rest o a ea 34 A 2 Quick Key Options oooonnnncnnnicoccconiconcconcccnns 34 ASS SpecificatiO Seira eds 35 A 4 Auto EQ Optimization Tips 36 A 5 Crossover Diagrams 36 A 6
3. Gain Inf to 20dB High Successive presses of the Data wheel will select effect parameters within the currently selected page the Feedback Suppression Section From program mode press the FEEDBACK button Pressing the Data Wheel will select the effect parameter to be edited lt PREV PG NEXT PG gt FEEDBACK FEEDBACK AFS On Off Mode Fixed Live Live filter Lift On Off AFS Clear Type Speech Low Med and High Lift After 0 60 Number of Fixed filters 0 12 The NEXT and PREV buttons scroll through Successive presses of the Data wheel will select the pages of selected module effect parameters within the currently selected page 14 DriveRack Studio User Manual dbx PROFESSIONAL PRODUCTS Editing Functions 2 7 Navigating the Comp Limiter Section From program mode press the comp limiter button to move to eithter the Compressor or Limiter module Once you have reached the Crossover module successive presses of COMP LIMITER button will move through each channel that utilizes either a Compressor pre Crossover or Limiter post crossover module Navigate through the Pages of the selected compressor or Limiter module by pressing the Next Page or Prev Page buttons successively until you arrive at the desired Page dl PREV PAGE NEXT PAGE B A a COMP LIMITER COMPRESSOR LIMITER The Comp Limiter button Comp On Off Threshold 40 20dB toggles through COMP Over Easy Off 1 10 Ratio 1 1 to lnf
4. gt Left Mid Mic Input dwe 91d JON VLH Dad pueg z sayy dojs Jead Aejeq juewubly gt Right Mid 9 s b EXZ UONI S 10noss019 gt Left Low 03d Pueg z sayy dojs Need Aejog 1uewuBiy gt Right Low Connections e When setting up the DriveRack Studio make connections as follows e Always make connections prior to applying power to the unit e Connect the output from the sending device mixer to either of the two XLR inputs connectors shown below e Make output connections from any one of the six output XLR connectors shown below to the input of the selected mastering recorder monitor pairs power amps etc e If you will be pinking the room through the use of the RTA connect the selected RTA microphone to the front panel XLR input and press the RTA input button e IMPORTANT It is imperative that the power amps and or active monitors are turned off prior to cycling power to the DriveRack Studio Always make sure that these devices are the last item turned on and the first turned off Once all of the connections have been made and the unit is powered up you can navigate through the entire signal path of the DriveRack Studio from the front panel of the unit The display provides you with a clear and concise overview of each aspect of the signal path from the input to the output section a DriveRack Studio Suto Montor Management Systom 4 DriveRa
5. to 6 5 drivers such as JBL LSR25P Tannoy Reveal and Reveal Active Port Presets that are designed to work with active or passive ported nearfield monitors with 8 drivers Such as JBL LSR28P Genelec 1030A Event 20 20 and 20 20BAS monitors The DriveRack Studio digitally adapts the signal being output to your monitors using a combi nation of Parametric EQ Graphic EQ Compression Limiting Crossover filtering Volume and Subharmonic Synthesis to authentically reproduce the experience of listening to your material through various monitoring devices including the phone TV FM stereo bookshelf speakers large systems boom boxes and more DriveRack Studio User Manual dbx PROFESSIONAL PRODUCTS DriveRaci Studio Introduction 0 2 Service Contact Info If you require technical support contact dbx Customer Service Be prepared to accurately describe the problem Know the serial number of your unit this is printed on a sticker attached to the top panel If you have not already taken the time to fill out your warranty registration card and send it in please do so now Before you return a product to the factory for service we recommend you refer to the manual Make sure you have correctly followed installation steps and operation procedures If you are still unable to solve a problem contact our Customer Service Department at 801 568 7660 for con sultation If you need to return a product to the factory for
6. Electronically balanced RF filtered Impedance 120 ohms Max Output Level 20dBu Alignment Delay 10ms per channel 60ms total AID Performance Type dbx Type IV conversion system Dynamic Range gt 107 dB unweighted gt 110 dB A weighted Type IV dynamic range 123 dB with transient material A weighted 22kHz BW 121 dB with transient material unweighted 22kHz BW 115 dB typical with program material A weighted 22kHz BW Sample Rate 48kHz D A Performance Dynamic Range 112 dB A weighted 110dB unweighted System Performance Dynamic Range 110 dB unweighted gt 107dB weighted THD N 0 002 typical at 4dBu 1kHz 0dB input gain Frequency Response 20Hz 20kHz 0 5dB Interchannel Crosstalk gt 110dB 120dB typical Crosstalk input to output gt 100dB Power Supply Operating Voltage DO 100 120VAC 50 60 Hz EU 220 240 VAC 56 60 Hz Power Requirements 25 Watts Physical Weight 5 5 lbs 2 5 kg Shipping weight 7 lbs 3 18 kg Dimensions 1 75 H x 5 75 D x 19 W A 4 Auto EQ Optimization Tips By using the setup wizard cross over output gains and post cross over parametric EQ settings are set to match your system The Auto EQ can be used to adjust your system to compensate for room effects and adjust the response of the entire system to your liking After allowing Auto EQ to pink the room your system will sound tighter The low end will have more def inition the mids will be more int
7. button For more information regarding the Auto EO section please refer to the Auto EO Optimization Tips information located in the Appendix section DriveRack Studio User Manual dbx PROFESSIONAL PRODUCTS DriveRack Studio Getting Started Section 1 AFS WIZARD e The DriveRack Studio also offers its exclusive AFS Advanced Feedback Suppression module This unique feature now makes unwanted feedback in a Studio system a thing of the past The AFS Wizard will lead you through the setup of of the fixed fil ters of the AFS module From DriveRack Studio Wizard menu rotate the lt DATA gt wheel until the display appears as follows esten Setup Auto EU MIZOR e Press the lt NEXT PG gt button and the display will read Please turn dow the mier gaire Press HEAT FPO wher chore e Once the gain level of the mixer has been turned down press the lt NEXT PG gt but ton and the display will read Select Humber oF fixed filters r Pie ip le ip iP ib a IL AL LIL HEY e You will now use the lt DATA gt wheel to select the number of fixed filters This will range from values 0 12 The total number of filters will stay at 12 and the number of live filters will be Total Num Filters Num Fixed Live and Fixed filter types differ in that FIXED mode filters are automatically assigned to a frequency creating feedback thus remaining at that frequency until cleared by the user I
8. ers are bell and 4 LHShelf One shelf is High and one is Low and the others are bell Band 1 3 Frequency 20Hz to 20kHz Selects the frequency of the selected band of the parametric EQ Level 1 3 12dB to 12dB Sets the peak level of the selected parametric EQ Q 1 3 0 20 to 16 dB Sets the Q or Bandwidth of the selected Parametric EQ dbx PROFESSIONAL PRODUCTS DriveRack Studio User Manual 25 Detailed Parameters 4 6 Compressor Limiter The DriveRack Studio also offers Compression and Limiter modules The Compressor is a full bandwidth Stereo Compressor located prior to the Crossover The Compressor is the perfect tool for tightening uneven signal sources such as vocals and guitars The Limiters are located on each stereo output channel and have been strategically placed for speaker and amplifier pro tection Note that Compressor Limiter threshold metering can be observed on page two of the Utility section The parameters for the Compressor Limiter are as follows and are user adjustable COMPRESSOR Compressor On Off Turns the Compressor module on and off OverEasy O Offto 10 There are ten levels of OverEasy that can be used for the limiters The point when the com pressor starts to compress is the knee When the compressor starts to reduce the level of a signal abruptly as it passes over the threshold this is called hard knee compression OverEasy soft knee as it is sometimes called is when the volume of the
9. meters that range from 30 to 20 dBu These meters monitor the signal level right after the input module Threshold Meters The threshold meters indicate that the threshold level has been exceeded within the Limiter sec tion and gain reduction may be taking place within the specific output channel Output Meters The DriveRack Studio provides the user with six independent six segment Lightpipe output meters that range from 30 to 20 dBu Power Switch The Power Switch turns the DriveRack Studio on and off Note dbx Professional Products strongly recommends that power amplifiers connected to the DriveRack Studio should be pow ered down prior to cycling the power on the DriveRack Studio 1 3 Quick Start For those of you that wish to jump right in the following information has been provided to act as a quick start guide for optimizing performance of the DriveRack Studio dbx PROFESSIONAL PRODUCTS DriveRack Studio User Manual 3 G Section 1 DriveRack Studio Signal Path Block Diagram The following diagram shows the logical and intuitive signal path of the input effect mod ules and output of the DriveRack Studio Getting Started Meters Outputs Meters 1 Left Input gt Left High e ad Puea e SION Uld Ou0 y 091915 Right Input Right High yu s JUOUEHANS Josseidwog 0819 S a 2 gt 2 2 3 E 2 3 SIMI YION SAV Kejoq awus y
10. DATA gt wheel is used to edit parameter values The following illustration shows an example of the Comp module in edit mode I Be COMP THR Note that the arrow indicates the currently selected parameter for editing To select parameters to edit from the current page simply press the lt DATA gt wheel until the arrow is pointing to the parameter that you wish to edit Once you are satisfied with the changes that have been made to a factory or user pro gram the DriveRack allows you to save these changes as a custom USER program by pressing the lt STORE gt button and the display will appear as follows Lia Paci ds yeep Ss Lider dbx PROFESSIONAL PRODUCTS DriveRack Studio User Manual 19 DriveRack Studio e Rotating the lt DATA gt wheel will change the icons on the currently selected position section 3 Operating Functions e Pressing the lt DATA gt wheel will toggle between upper and lowercase letters numbers or symbols e Use the lt PREV PG gt and lt NEXT PG gt button to move icon positions e Once the desired title has been written press the lt STORE gt button again and the dis play will now appear something like this e Rotate the lt DATA gt wheel to select the program to be replaced and press the lt STORE gt button and the existing program will be replaced with the new program The DriveRack Studio will store 24 user programs in addition to the 25 factory programs Note
11. PRODUCTS Section 1 DriveRack Studio Getting Started Ricliued level SAME HE SOU SMe PAg e You will now rotate the lt DATA gt wheel to match the same setting as your amplifier of choice Note that based on your amp selection the DriveRack PA will initially display the recommended setting of that particular amp for obtaining maximum headroom This is done to match unity gain from the DriveRack PA and your amplifier Note that if Sub Speakers are included in the speaker selection you will be asked if the sub woofer is bridged or mono For more information regarding Amplifier gain settings please refer to the System Setup and Gain Structure information located in the appendix section e Once you have completed your amp level settings you will press the lt NEXT PG gt button where you will be asked to select a bridged or normal setting fro your low amp if used The display will appear as follows la SS SO ME e Once have made a bridged or mono selection press the lt NEXT PG gt where the unit will prompt lt DATA gt wheel to load your new settings If you do not wish to load the settings either press the lt PROGRAM gt button or use the lt PREV PG gt but ton to re edit your settings By using your selections the DriveRack will automati cally generate a new program and speaker selection which are used to choose the correct crossover type parameters speaker compensation EO and
12. The High Pass or Low Pass filter being edited is indicated by the highlighted edge in the graphics area For each Low Pass filter there are two parameters Frequency Adjusts the frequency of the Low Pass filter from 20 to 20KHz Type Selects the filter type Selections are BW 6 12 18 24 for Butterworth type filter with slope of 6 12 18 or 24 dB Octave and LR12 24 for Linkwitz Riley type with slope of 12 or 24 dB Octave For each High Pass filter there are three parameters and they are follows Frequency Adjusts the frequency of the High Pass filter from 20 to 20KHz 24 DriveRack Studio User Manual dbx PROFESSIONAL PRODUCTS Om DriveRack Studio Detailed Parameters Section 4 In addition to the pre crossover EQ options within the signal path the DriveRack Studio also offers a 2 or 3 band parametric EQ after the crossover section The parameters for the post crossover EQ are as follows and are user adjustable PEQ On Off Turns the PEQ band on and off The following figure shows the constant Q parametric filter Constant Q 15 i 12 Magnitude pobvowno 15 i Frequency Flatten Restore This parameter either flattens the PEQ or restores the PEQ to its original shape Type This parameter selects the PEQ type Types include 1 Bell All parametrics are bell shaped 2 HShelf One shelf is High while all others are bell 3 LShelf One shelf is Low while all oth
13. a listening environment with a near flat frequency response regardless of its fundamental sonic imperfections By using the DriveRack Studio s built in RTA Real Time Analyzer system you can quickly and easily find what frequencies are being boosted or attenuated naturally by your listening envi ronment and monitors The DriveRack Studio will then automatically adjust its own EQ settings to tune or equalize those frequencies to compensate See the section titled Auto EQ WIZARD on page 5 of the DriveRack manual for details on how to connect a mic to the front panel and begin the process of tuning your room Studio Output Monitor Management The DriveRack Studio allows the user to send program material to any of three programmable stereo outputs These outputs can be connected to different sets of studio monitors to a record ing device to an amplifier to a headphone system or any combination of the above You may select any one output or a combination of all three at once The volume for each individual out put pair is programmable via the crossover selection switch on the front panel of the DriveRack Studio The High crossover settings control Monitor 1 outputs the Mid settings control Monitor 2 outputs and the Low crossover settings control the Monitor 3 outputs This allows you to send signal to a pair of studio monitors at one level while sending signal to your recording device at a different level at the
14. according to the current selected mode Fixed or Live 22 DriveRack Studio User Manual dbx PROFESSIONAL PRODUCTS Detailed Parameters Clear Live All This parameter clears the filters If Clear Live is selected then Gf invoked the live filters are reset If Clear All is selected then if invoked all of the filters are reset When either Clear Live or Clear All is selected the third parameter row displays Start w Data Wheel If Clear none is selected then nothing is displayed on this row When the user moves to this third row and turns the Data Wheel when Clear Live or Clear All is selected then the filter reset is invoked Mode Live or Fixed When the mode is Fixed the algorithm updates only the fixed filters When the mode is Live the algorithm updates only the live filters In FIXED mode the filters are automatically assigned to a frequency creating feedback thus remaining at that frequency until cleared by the user Fixed mode is used before the performance without any input signal In LIVE mode the live filters automatically detect and remove feedback during the performance When all of the live filters have been used they begin to round robin Essentially this means that the first filter set is replaced where a new feedback is detected and notched out This mode is useful because feedback frequencies may change as the microphone is moved and or as the characteristics of the venue change Type Speech Low Musi
15. delay are also adjusted by the speaker selection Amplifier parameters are used to set the limiters to stop amplifier clipping and balance out the crossover levels You may find that you want to re adjust the crossover levels based on your taste and type of music Auto EO WIZARD e Once you have custom tailored your system setup you can now proceed to tune your listening environment The Auto EO Wizard automatically adjusts the response of the system by producing pink noise and adjusting the Graphic EO until the RTA matches a selected response From the DriveRack Studio Wizard menu rotate the lt DATA gt wheel until the display appears as follows WIZARD e Either press the lt NEXT PG gt button or rotate the lt DATA gt wheel and the display will read dbx PROFESSIONAL PRODUCTS DriveRack Studio User Manual Section 1 DriveRack Studio Getting Started Ez reci mic to ETA insulta Press ETA input bukkar e The display is prompting you to connect an RTA specific microphone to the front panel RTA XLR input and press the lt RTA Input gt button It is recommended that you use the optional dbx RTA M microphone If you wish to bypass the previous steps all together from program mode press the lt RTA Input gt button or press the lt NEXT PG gt button and the display will appear something like this am RESPONSE FC PRECISION Low e You can now select any one of the
16. same time Or you may choose to control two or three sets of monitors you may choose which set to listen to and balance each one s vol ume according to taste Note that all of the DriveRack Studio presets process only the output signal sent to the Monitor 1 output pair while the remaining output pairs receive unprocessed signal at their outputs Therefore if you wish to use the DriveRack Studio presets as an effect that you would print to a recording device be sure to connect the output of Monitor 1 to the recording device Likewise to process only the signal fed to a pair of studio monitors be sure to connect those monitors to the Monitor 1 output pair Studio Monitor Emulation Every different type of studio monitoring system from the smallest 5 cube style speaker to the biggest 18 far field monitor has a particular sonic characteristic due their enclosure design materials woofer size tweeter design amplification system crossover network etc The same is true in the real world your mix will ultimately be played in a variety of envi ronments on many different kinds of systems In order to ensure that your mix translates effectively no matter what the playback system you would ideally utilize a number of differ ent sets of monitors throughout the mixing process d bx PROFESSIONAL PRODUCTS DriveRack Studio User Manual DriveRack Studio In order to address this issue most world class recordi
17. sound is compressed gradually OverEasy compression starts to compress before the level of the signal reaches the threshold and reaches full compression after the level has gone above the threshold OverEasy compression by its very nature sounds much smoother and more natural and will be used for most applications When it is gentle natural sounding or light compression that you are looking for the compressor offers VarikKnee VariKnee gives you ten levels of OverEasy compression to choose from 1 being almost hard knee and 10 being the most OverEasy This lets you choose the exact knee that is needed for the dynamic effect you are looking for Threshold T 40 to 20dBu Threshold is the signal level at which the unit starts to compress the signal If the level is set to 10 dBu than any signal larger than 10 dBu is compressed while any signal that has a level that is lower than 10dBu is left at the same signal level Light compression is where only the loudest parts of the signal go over the threshold Very heavy compression can be achieved by setting the threshold low enough that almost the entire signal content is over the threshold For most signals the most natural compression is achieved when most of the signal content remains just below the threshold and only the peaks cross the threshold Ratio R 1 0 to Inf l Ratio is the amount the unit reduces the signal level of the sound that is above the threshold A 2 1 ratio
18. this appliance may not correspond with the coloured markings identifying the terminals in your plug proceed as follows The core which is coloured green and yellow must be connected to the terminal in the plug marked with the letter E or with the earth symbol or coloured green or green and yellow e The core which is coloured blue must be connected to the terminal marked N or coloured black The core which is coloured brown must be connected to the terminal marked L or coloured red This equipment may require the use of a different line cord attachment plug or both depending on the available power source at installation If the attachment plug needs to be changed refer servicing to qual ified service personnel who should refer to the table below The green yellow wire shall be connected directly to the units chassis Sarre WARNING If the ground is defeated certain fault conditions in the unit or in the system to which it is con nected can result in full line voltage between chassis and earth ground Severe injury or death can then result if the chassis and earth ground are touched simultaneously WARNING FOR YOUR PROTECTION READ THESE INSTRUCTIONS KEEP THESE INSTRUCTIONS HEED ALL WARNINGS FOLLOW ALL INSTRUCTIONS DO NOT USE THIS APPARATUS NEAR WATER CLEAN ONLY WITH A DRY CLOTH DO NOT BLOCK ANY OF THE VENTILATION OPENINGS INSTALL IN ACCORDANCE WITH THE MANU FACTURER S INSTRUCTIONS DO NOT INSTALL NEA
19. web at www dbxpro com H A Harman International Company 18 0238 A
20. 1 Gain 20 to 20dB the Compressor or i Limiter modules used in each channel of E Limiter On Off the selected LIMITER Over Easy Off 1 10 program Threshold 40 20dB Successive presses of the Data wheel will select effect parameters within the currently selected page 2 8 Navigating the Delay Section From program mode press the Delay button Pressing the Data Wheel will select the effect parameter to be edited DELAY lt PREV PG NEXT PG gt DELAY Delay On Off Length Delay Time Course Fine Units Seconds Feet Meters The NEXT and PREV buttons scroll through the pages of selected module Successive presses of the Data wheel will select effect parameters within the currently selected page d b x PROFESSIONAL PRODUCTS DriveRack Studio User Manual 15 Editing Functions 2 9 Navigating the Utility Section From program mode press the UTILITY button Pressing the Data Wheel will select the effect parameter to be edited UTILITY LCD Contrast 1 16 Compressor Limiter AEQ Plot RTA GEQ Threshold Meters Sales Banner On Off Successive presses of the Data wheel will select effect parameters within the currently selected page 2 10 Navigating the Wizard Section From program mode press the WIZARD button Pressing the Data Wheel will select the effect parameter to be edited WIZARD lt PREV PG NEXT PG gt SYSTEM SETUP Input Setup Stereo or GEQ Setup Dual Mon
21. 362 DECLARATION OF CONFORMITY Manufacturers Name Manufacturer s Address dbx Professional Products 8760 S Sandy Parkway Sandy Utah 84070 USA declares that the product Product name dbx DriveRack Studio Note Product name may be suffixed by the letters EU Product option None conforms to the following Product Specifications Safety IEC 60065 1998 EMC EN 55013 1990 EN 55020 1991 Supplementary Information The product herewith complies with the requirements of the Low Voltage Directive 73 23 EEC and the EMC Directive 89 336 EEC as amended by Directive 93 68 EEC Vice President of Engineering 8760 S Sandy Parkway Sandy Utah 84070 USA Date June 16 2003 European Contact Your local dbx Sales and Service Office or Harman Music Group 8760 South Sandy Parkway Sandy Utah 84070 USA Ph 801 566 8800 Fax 801 568 7583 Introduction 0 1 Defining the DriveRack Studio ii 0 2 Service Contact Info iii 0 3 Warrants a A iv Section Getting Started Ll REAC AAA 2 12 Front Panel usada 2 1 3 Quick Start cut 3 Section 2 Editing Functions 2 1 Basic Navigation Modes 12 2 2 Button Array OVervieW 12 2 3 Navigating the EO Section GEO PEO 14 2 4 Navigating the Subharmonic Synthesizer Section 14 2 5 Navigating the Crossover Section
22. Block Diagram ooooocnconnoncoononnoonconnonnoonnonncnncoo 37 AST PLOGMASU iria 38 INTRODUCTION dbx PROFESSIONAL PRODUCTS Introduction IE IIT Drive your Studio to a whole new level of performance with the DriveRack Studio Complete Equalization amp Loudspeaker Control System The DriveRack Studio from dbx Professional Products represents a complete integration of the key elements that help ensure optimal loud speaker system management in Studio specific applications While the DriveRack was originally designed as an equalization and loudspeaker control sys tem for PA applications we found that it can also provide a host of essential functions in home project and professional studio applications In addition to the obvious equalization and com pression functionality the DriveRack Studio can help you tune your room switch between up to three pairs of studio monitors and if you don t have the luxury of multiple pairs of moni tors provide you with several different Studio Monitor Emulation templates These templates allow you to hear your mixes as you would through everything from a small 5 speaker though traditional midfield monitors and beyond 0 1 Defining the DriveRack Studio The dbx DriveRack Studio is the most effective way to manage all aspects of Loudspeaker man agement for Studio applications The DriveRack Studio essentially becomes the only device that you will need for optimizing the playback mo
23. Factory programs cannot be over written When storing changes to a Factory pro gram you must replace an existing User program 20 DriveRack Studio User Manual d b x PROFESSIONAL PRODUCTS PARAMETERS dbx PROFESSIONAL PRODUCTS Detailed Parameters The DriveRack Studio offers complete editing flexibility by offering in depth control over every parameter within each effect module The following section will provide you with descriptions and explanations of all parameters within the DriveRack Studio 4 1 Pre Crossover The DriveRack Studio s Pre Crossover EO section may be configured as a single or linkable 28 band graphic EO EQ On Off Turns the GEQ on and off Flatten Restore This parameter either flattens the GEQ or restores the GEQ to the last setting before flattening The DriveRack unit allows you to leave the EQ edit window and return without losing the edit ed EQ settings Frequency F 31 5Hz to 16 0kHz This parameter allows you to select any one the 28 available frequencies Gain G 12 to 12 dB This parameter allows you to adjust the level of any one of the 28 bands of the GEQ in 5 dB increments 4 2 Feedback Eliminator In addition to being a great piece for studio applications the DriveRack Studio is perfect for live applications and AFS mode is the perfect tool for eliminating feedback the The DriveRack Studio is the first product in the dbx family to offer the exclusive patent pending AFS Advanc
24. R ANY HEAT SOURCES SUCH AS RADIATORS HEAT REGISTERS STOVES OR OTHER APPARATUS INCLUDING AMPLIFIERS THAT PRODUCE HEAT ONLY USE ATTAGHMENTS AGGESSORIES SPECIFIED BY THE MANUFACTURER UNPLUG THIS APPARATUS DURING LIGHTNING STORMS OR WHEN UNUSED FOR LONG PERIODS OF TIME Do not defeat the safety purpose of the polarized or grounding type plug A polarized plug has two blades with one wider than the other A grounding type plug has two blades and a third grounding prong The wide blade or third prong are provided for your safety If the provided plug does not fit your outlet consult an electrician for replacement of the obsolete outlet Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus Use only with the cart stand tripod bracket or table specified by the manufacture or sold with the apparatus When a cart is used use caution when moving the cart apparatus combination to avoid injury from tip over Refer all servicing to to qualified service personnel Servicing is required when the appara tus has been damaged in any way such as power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has heen exposed to rain or moisture does not operate normally or has been dropped POWER ON OFF SWITCH For products provided with a power
25. To change the initial power program number Press and hold the lt PROGRAM gt button at power up une the following message appears 4 hho CF ranie e Turning the lt DATA gt wheel will select the program you wish to load at initial reset e Press the lt PROGRAM gt button again when the selection is complete Normal resetting will continue System Lock Out e Press ma bold SWIZARD gt at power yp aot one na De plovne nea appears e Rotating the lt DATA gt ahel to select ile pode Unlock or Filter Unlocked the system e Pressing lt PREV PAGE gt will unlock the system if it were locked or it will lock the system if it were unlocked e If you wish to leave the system locked with the exception of being able to clear the feedback filters follow the same procedure on power up and then rotate the lt DATA gt wheel to select the feedback filter unlock feature e Pressing any other button will abort the System Lockout sequence and the unit will reset normally 34 DriveRack Studio User Manual dbx PROFESSIONAL PRODUCTS A 3 Specifications Analog Inputs Number of Inputs 2 Line inputs 1 RTA Mic input Connectors 2 Female XLR line inputs XLR RTA Mic input Type Electronically balanced RF filtered Impedance gt 40k Q Max input line level 20dBu CMRR gt 45dB RTA Mic Phantom Voltage 15VDC RTA Mic EIN lt 117dBu 22Hz 22kHz 150Q Analog Outputs Number of Outputs 6 Line Outputs Connectors Male XLR Type
26. als that show evidence of defect provided the product is returned to dbx WITH RETURN AUTHORIZATION from the factory where all parts and labor will be covered up to a period of two years A Return Authorization number must be obtained from dbx by telephone The com pany shall not be liable for any consequential damage as a result of the product s use in any circuit or assembly dbx reserves the right to make changes in design or make additions to or improvements upon this product without incurring any obligation to install the same additions or improvements on products previously manufactured The foregoing is in lieu of all other warranties expressed or implied and dbx neither assumes nor authorizes any person to assume on its behalf any obligation or liability in connection with the sale of this product In no event shall dbx or its dealers be liable for special or consequen tial damages or from any delay in the performance of this warranty due to causes beyond their control DriveRack Studio User Manual dbx PROFESSIONAL PRODUCTS Getting Started Zya weMSub hi meat qu z Srl moa g ma puta dbx PROFESSIONAL PRODUCTS Section mer iin HE I I Rear Panel Connections 25 WATTS INPUTS a AAA mo pa EE a il il s 4 Nu z lom y l dev l is m h J f J f D J E ef it J ef Lefi Mono k Right E 100 120V v 50 60Hz IEC Power Cord Receptacle The DriveRack Studio comes with a power
27. c Medium Music and High Music If Fixed or Live mode is chosen the text will read Type The options will be Speech Music Low Music Medium and Music High These types pertain to the Q sensitivity and algorithm type Values are Speech Bandwidth 1 5 octave and Q 7 25 Music Low Bandwidth 1 10 octave and Q 14 5 Music Medium Bandwidth 1 20 octave and Q 29 Music High Bandwidth 1 80 octave and Q 116 Note To guarantee that feedback is suppressed at lower frequencies the AFS may place wider notch filters at these lower frequencies below 700 Hz Number Fixed 0 12 This will range from values 0 12 The total number of filters will stay at 12 and the number of live filters will be Total Num Filters Num Fixed If this is changed before the filters are reset then the filters will be reset one by one as the number changes For example if the num ber of Fixed filters goes down then the last fixed filter set will be reset Likewise if the num ber of Fixed filters goes up and thus the number of live filters goes down then the last live filter set will be reset The Fixed Live filter usage will be indicated at the bottom of each page of the feedback elimination effect F indicates an available fixed filter and L indicates an available live filter A blocked out F or L indicates a filter that is set or in use Live Filter Lift On Off This parameter turns the Live Filter Lift on and off Lift After 5 sec
28. ck Studio User Manual dbx PROFESSIONAL PRODUCTS DriveRack Studio The features of the front panel of the DriveRack Studio are as follows from left to right RTA MIC Input This XLR input is used for the connection of a RTA microphone The RTA MIC input button is used to engage the RTA input connector LCD Display All operational information of the DriveRack Studio is displayed here The display will also notify the user if any internal clipping is taking place within the unit The following message will appear CLIP Data Wheel The data wheel is used to scroll through the program menu of the DriveRack Studio The Data Wheel is also used to perform editing functions to effects and utility menu features Button Array Operational editing is done using this 12 button array A complete description of each button s functionality is listed below Input meters These two 6 segment LED meters monitor the input level of the DriveRack Studio directly after the input mixer Output meters These six 6 segment meters monitor the output levels of the DriveRack Studio directly after the out put gain stage Threshold meters These six 1 segment meters when lit show that threshold level of the limiters has been exceeded Section 1 Getting Started NEXT PG gt SUBHARMONIC FEEDBACK COMP LIMITER UTILITY DriveRack Studio Wizard Now that you have made all of your audio connections and have made yourself familiar with the front panel navi
29. d b X PROFESSIONAL PRODUCTS DriveRack Studio Monitor Management System Studio IMPORTANT SAFETY INSTRUCTIONS RISK OF ELECTRIC SHOCK DO NOT OPEN A A ATTENTION RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE The symbols shown above are internationally accepted symbols that warn of potential hazards with electrical products The lightning flash with arrowpoint in an equilateral triangle means that there are dangerous voltages present within the unit The exclamation point in an equilateral triangle indi Cates that it is necessary for the user to refer to the owner s manual These symbols warn that there are no user serviceable parts inside the unit Do not open the unit Do not attempt to service the unit yourself Refer all servicing to qualified personnel Opening the chassis for any reason will void the manufacturer s warranty Do not get the unit wet If liquid is Spilled on the unit shut it off immediately and take it to a dealer for service Disconnect the unit dur ing storms to prevent damage SAFETY INSTRUCTIONS NOTICE FOR CUSTOMERS IF YOUR UNIT IS EQUIPPED WITH A POWER CORD WARNING THIS APPLIANCE MUST BE EARTHED The cores in the mains lead are coloured in accordance with the following code GREEN and YELLOW Earth BLUE Neutral BROWN Live As colours of the cores in the mains lead of
30. ed Feedback Suppression feedback elimination module Feedback is caused when a microphon ic signal such as a guitar pickup or microphone is reproduced by an amplification and is repeat edly picked up in phase The AFS uses Precision Frequency Detection and state of the art pro cessing to determine the exact portions of a given frequency of your feedback that need to be removed instead of taking out large sections of your sound The AFS module of the DriveRack Studio allows the user to optimize the elimination of feedback In the past graphic equalizers were used to eliminate feedback from a system This was an acceptable method for eliminating feedback but when this method was precision tested the result clearly showed that a single 1 3 octave EQ slider was removing approximately half of the signal power With the AFS the module removes the feedback automatically and the proprietary precision AFS filters remove only a fraction of the frequency spectrum The following diagram shows AFS as opposed to competing competitive feedback eliminators and conventional graphic EQs Ap Graphic EQ zo LLL EE 600 700 00 ak 1k 1 Hz LUTTE EEE EEE EEE EEE k 12k 13k 14k 1 AFS On Off Turns the AFS module on and off If AFS is Off the filters are bypassed and the algorithm is halted the filters are not updated If AFS is On the filters are active and the they are updat ed
31. eed The parameters for the alignment delay are as follows and are user adjustable Delay On Off Turns the Speaker Alignment delay on and off Units Seconds Feet or Meters Selects the unit of measurement for the delay Length Sets the amount of Speaker Alignment delay time Delay times include Seconds 0 00 10 00 ms Feet 0 00 11 3 and Meters 0 00 3 43 Fine adjustments are made in 20uS increments Coarse adjustments are made in 21uS increments dbx PROFESSIONAL PRODUCTS DriveRack Studio User Manual 27 Section 4 rm it eect USER NOTES 28 DriveRack Studio User Manual dbx PROFESSIONAL PRODUCTS dbx PROFESSIONAL PRODUCTS DriveRack Studio This Application guide section is provided to offer suggested installation applications of the This Application guide section is provided to offer suggested installation applications of the DriveRack Studio that will allow you to optimize peak performance of the units Note that the 24 included application programs represent the extensive flexibility of the DriveRack units These applications can be used verbatim or as sample reference guide templates for designing countless audio applications Section 9 Application Guide 5 1 2X4 Crossover Hardware I Connect the outputs from the mixer to the inputs of the DriveRack Studio 2 Connect the outputs of the DriveRack Studio and run to the selected speaker amplifier 3 Make sure that the mixer and power amps are tu
32. el 0 to 100 These controls individually let you customize the amount of the respective synthesized fre quencies to be added in tuning the ultimate bass response of your system to taste For example if the sound is too woofy or growly try turning down the 36Hz 56Hz level If your woofers are bottoming out making a ticking popping sound try turning down the 24Hz 36Hz level You may find that a setting produces fine results in one room but produces too much boominess in another If this occurs adjust the controls as needed e g increase one or the other of the band levels Experimentation will pay off with smooth full deeply extended bass Remember you are not selecting a frequency You are controlling the overall level of each band The Crossover is used to divide the input signal into several frequency bands This allows the user to drive the speaker in its optimum frequency range and send each output separately for more efficient use of amplifier power when biamp or triamping a pair passive of studio monitors The DriveRack Studio Crossover can be configured as a 2x3 4 5 or 6 Appendix A 5 illustrates each of the available crossovers The High frequency output is created using a High Pass filter The Mid and Low outputs are created using Band Pass filters consisting of Low Pass and High Pass filters When editing Crossover parameters the frequency band is indicated by the highlighted H M or L in the top left corner of the screen
33. elligible and the highs can be tamed Here are two things to look for to get the best performance from the Auto EQ Look out for Modes Some speaker and RTA microphone positions will result in certain frequencies canceling out The resulting modes can not be corrected with equalization The Auto EQ does not detect modes in the frequency response so may try to boost a band to compensate for a mode with dbx PROFESSIONAL PRODUCTS DriveRack Studio User Manual 35 out positive affect You may be able to see if a lifted band is a mode by manually adjusting a lifted EQ band if no change in the EQ is perceived you probably are seeing a mode in your frequency response To reduce the effect of this mode try different microphone positions and adjust the location of your speakers then repink the room for a more effectual Graphic EQ adjustment Adjust Cross Over Output Gains If your system setup or the response you have chosen results in the Auto EQ lifting or cut ting a number of consecutive bands of the Graphic EQ you can adjust the level of the asso ciated cross over output gain to match the average boost or cut in the graphic EQ and re pink your room This time the adjustment of the Graphic EQ bands will be less heavy hand ed and the system will sound better having fewer phase problems and a lower noise floor than a more aggressively adjusted Graphic EQ With the rest of your system properly adjusted the Auto EQ can compensate for roo
34. equencies the AFS may place wider notch filters at these lower frequencies below 700 Hz Once the desired fixed type has been selected press the lt NEXT PG gt button and the display will read Slowls Increase bhe miner gain Lo dezired level IP le iP le IP IP dk EL ILL LL e You are now prompted to raise the output gain of the mixer to the level of the performance Note that you are raising the mixer gain without an input signal running through the mixer Once the desired level has been set and all of the fixed filters have been assigned the unit will automatically move you to the page that indicates the fixed filter setup has been com pleted If you have reached the performance level setting and all of the fixed filters have not been used you may want to return to the page that selects the number of fixed filters and re adjust the number of fixed in order to provide you with additional live filters Regardless once you have completed the setup the display will read Fixed Filter Selur Cao UHEGEGEGLLLLILL e To return to program mode simply press the lt PROGRAM gt or lt NEXT PG gt button For more information regarding feedback elimination please see the AFS parameters of the Detailed parameters section DriveRack Studio User Manual dbx PROFESSIONAL PRODUCTS Editing Functions dbx PROFESSIONAL PRODUCTS Editing Functions The DriveRack Studio has been carefully designed and engineered
35. etup functions The display will also notify the user if any internal clipping is taking place within the unit The following message will appear CLIP Function Buttons The function buttons of the DriveRack Studio allow direct access to all editing and navigating functions of the DriveRack Studio The functions of the aforementioned buttons are as follows lt PREV PG gt is used to navigate back through the various pages of any module block lt NEXT PG gt is used to navigate forward through the various pages of any module block lt EQ gt is used to move to the EQ modules Successive presses will move you through the EQ modules in the input section and through EQ modules located in the output section lt SUBHARMONIC gt This button is used to move to the Subharmonic Synthesizer module lt XOVER gt is used to move to the Crossover module lt FEEDBACK gt is used to move to the feedback elimination module lt COMP LIMITER gt is used to move to the Compressor or Limiter modules lt DELAY gt is used to move to the Delay module lt PROGRAM gt is used to enter program mode when pressed lt UTILITY gt is used to access the the Utility menu lt STORE gt is used to store any program changes lt WIZARD gt is used to enter the Wizard section which includes SYSTEM SETUP AUTO EQ WIZARD and AFS WIZARD Input Meters The DriveRack Studio provides the user with two independent six segment Lightpipe input
36. evel supplies the user with current program information such as current signal path effect usage and pro gram name From this point the DriveRack Studio gives you the option of entering subsequent levels of operation that are dedicated to program editing The Utility menu mode is accessed via the utility menu and is not part of a single program 3 2 Navigating Factory Programs From the factory the DriveRack Studio is shipped with 25 factory programs that utilize careful ly constructed routing configurations that have been designed to accommodate virtually home pro project studio application The factory programs offer a clear and concise explanatory title to help get you up and running in a timely manner These programs can also be used as tem plates or starting points for the user to create custom programs Selecting Programs The quickest way to get up and running with the DriveRack Studio is to use any one of the fac tory programs that are available in the box When you reach the factory program a FACT icon will appear above the factory program name From program mode use the lt DATA gt wheel to scroll through the various programs As each factory program is selected the display will clear ly indicate the title that is directly related to a specific application Once a program is select ed press the lt DATA gt wheel to load the program The display will appear something like this EHEH kL Navigation Modes The functi
37. gation of the unit you can easily optimize your system through the use of the DriveRack Studio Wizard setup system This feature of the DriveRack Studio allows for quick and hyper accurate venue setups The menu section of the Wizard offers System setup Auto EQ and AFS Advanced Feedback Suppression The following will walk you through your venue setup e From program mode press the lt WIZARD gt button and the display will appear as follows Auto EG WIZARD AFS WIZARD System Setup e The arrow will indicate the selected Wizard setup To select any one of the three options rotate the lt DATA gt wheel If you are performing the System setup press either the lt NEXT PG gt button or the lt DATA gt wheel and the display will appear as follows ose MONO ep E STEREO e Simply rotate the lt DATA gt wheel to select either a Mono or Stereo input configura dbx PROFESSIONAL PRODUCTS DriveRack Studio User Manual Ee EEIT DriveRack Studio tion Once you have selected your input option press the lt NEXT PG gt button and the display will appear as follows Section 1 Select GEG as Dual Moro or Dheren Bowel Mono e Simply rotate the lt DATA gt wheel to select either a Dual Mono or Stereo linked 28 band Graphic EQ Once you have selected your EQ option press the lt NEXT PG gt button and the display will appear as follows ain Speaker Select Hain Pa DO JEL SRA R4028 Pa
38. izer section XOVER Selects the Crossover section FEEDBACK Selects the Advanced Feedback Suppression AFS effect section com COMP LIMITER Selects the Compressor and the Limiter effect section El Successive presses will move from the Compressor pre xover to the Limiter post xover DELAY Selects the Alignment Delay effect module PROGRAM This button is used to enter the Program screen from any sub section within the unit when pressed E UTILITY Selects the Utility menu of the DriveRack Studio STORE The store button is used to store program edits Zu WIZARD Enters the DriveRack Studio Wizard setup menu which includes System Setup Auto EQ setup and AFS Wizard 12 DriveRack Studio User Manual dbx PROFESSIONAL PRODUCTS Editing Functions 2 3 Navigating the EQ Section 28 GEQ and PEQ To edit the parameters of the EQs used in a selected program simply use the following procedure From program mode press the EQ button to reach the EQ module to be edited Successive presses of the EQ button will move through each channel Navigate through the Pages of the selected EQ section by depressing Next Page or Prev Page successively until arriving at the desired Page lt A PREV PAGE NEXT PAGE B GEQ PEQ The EQ button toggles through the EQs used in Frequency Gai dB to12dB each channel of the selected PEQ On Off Band 1 em a 2 a Band 3 a rogram Flatten Restore Gi 2dB to12dB oa to12dB prog Be
39. jlagtig handtering Udskiftning ma kun ske med batteri av samme fabrikat og type Lev r det brugte batteri tilbage til leverand ren VAROITUS Paristo voi r j ht jos se on virheellisesti asennettu Vaihda paristo ainoastaan laitevalmistajan suosittelemaan tyyppin H vit k ytetty paristo valmistajan ohjeiden mukaisesti VARNING Explosionsfara vid felaktigt batteribyte Anv nd samma batteri typ eller en ekvivalent typ som rekommenderas av apparattil Iverkaren Kassera anv nt batteri enligt fabrikantens instruk tion ELECTROMAGNETIC COMPATIBILITY This unit conforms to the Product Specifications noted on the Declaration of Conformity Operation is subject to the fol lowing two conditions e this device may not cause harmful inter ference and e this device must accept any interference received including interference that may cause undesired operation Operation of this unit within significant electro magnetic fields should be avoided e use only shielded interconnecting cables U K MAINS PLUG WARNING A molded mains plug that has been cut off from the cord is unsafe Discard the mains plug at a suitable disposal facility NEVER UNDER ANY CIRCUMSTANCES SHOULD YOU INSERT A DAMAGED OR CUT MAINS PLUG INTO A 13 AMP POWER SOCKET Do not use the mains plug without the fuse cover in place Replacement fuse covers can be obtained from your local retailer Replacement fuses are 13 amps and MUST be ASTA approved to BS1
40. ll HSelf LShelf LHSheli em 0 to 16 0 a menu Successive presses of the Data wheel will select effect parameters within the currently selected page c Section From program mode press the SUBHARMONIC button Pressing the Data Wheel will select the effect parameter to be edited Subharmonic On Off 24 36Hz Level 24 36Hz Subharmonics 0 100 36 56Hz Level 36 56Hz Successive presses of the Data wheel will select effect parameters within the currently selected page SUBHARMONIC lt PREV PG NEXT PG gt Subharmonic The NEXT and PREV buttons scroll through the pages of selected module dbx PROFESSIONAL PRODUCTS DriveRack Studio User Manual 13 L Editing Functions 2 5 Navigating the XOVER Section To edit the parameters of the Crossover used in a selected program simply use the following procedure From program mode press the X OVER button Once you have reached the Crossover module Navigate through the Pages of the selected Crossover module by pressing the Next Page or Prev Page buttons successively until arriving at the desired Page 4 PREV PAGE NEXT PAGE B lt lt XOVER High Pass XOVER Low Pass High Pass Low Pass High Pass Freq 20 kHz to Out Freg 20 kHz to Out Freg 20 kHz to Out Freg 20 kHz to Out Freg 20 kHz to Out Type BW6 24 LR12 24 Type BW6 24 LR12 24 Type BW6 24 LR12 24 Type BW6 24 LRi224 Type BW6 24 LR12 24 Gain Inf to 20dB Gain Inf to 20dB it Low Low Mid Mid
41. ls designed to sound like Auratone style TV 5 speakers optimized for ported nearfield monitors This final group of presets work well with virtually any source monitor systems 20 HypedCarSt Intense Sub and highs sounding like a high end car stereo 21 LgBoomBox Makes your monitors sound similar to a large boom box with plenty of low end Bump 22 SmBoomBox Makes your monitors sound similar to a smaller portable boom box 23 3inCmptrSpk Similar to the sound of the average 3 inch home computer speaker 24 Telephone What your program material would sound like over a tele phone Remember The sound of your sys tem your room and your monitors will have an effect on the accuracy of these presets The presets we have designed are intended to give you an overview of what your mix would sound like on many sys tems in varying environments The presets are NOT intended to make your system sound EXACTLY like any particular sys tem or environment they were created to give you a great way to hear your mix in many varying ways to help you know that your mix will sound good regardless of the playback environment through which it may ultimately be heard 38 DriveRack Studio User Manual dbx PROFESSIONAL PRODUCTS dbx PROFESSIONAL PRODUCTS 8760 South Sandy Parkway Sandy Utah 84070 Phone 801 568 7660 Fax 801 568 7662 Int l Fax 801 568 7583 E mail us at customer dbxpro com or visit us on the
42. m resonance and adjust to suit personal taste without large excur sions in the Graphic EQ bands A 5 Crossover Diagrams 36 L a LH LH E gt L HP HP R RH RH R gt R gt BP gt L Mono 5 gt BP RL 2X2 2X3 2 band x 2X4 2 band LH LH L gt gt L gt HP HP RH RH R gt R gt LM LM gt BP BP RM RM gt LL gt eS Ms Mono gt 2X5 3 band 2X6 3 band DriveRack Studio User Manual dbx PROFESSIONAL PRODUCTS DriveRack Studi Appendix A E a 5 D g z 3 2 og I z 3 a E 5 5 D 9 5 D o al E ra 4 x n o oO s oO z Alignment Delay Alignment Delay Alignment Delay Peak Stop Limiter Peak Stop Limiter Peak Stop Limiter 3 Band PEQ 2 Band PEQ 2 Band PEQ Crossover Section 2X3 4 5 6 Stereo Compressor SubHarmonic Synth AFS Notch Filters RTA 2 oO o gt Stereo Mono Micr Pre amp Pink Noise 5 3 5 E 9 3 E gt d b XC PROFESSIONAL PRODUCTS DriveRack Studio User Manual 37 A 7 Program List dbx DriveRack Studio Presets 1 Monitor 1 output 1 only 2 Monitor 1 Dim output 1 only with 15dB attenuation 3 Monitor 2 output 2 only 4 Monitor 2 Dim output 2 only with 15dB attenuation 5 Monitor 3 out
43. means that if the incoming signal is 2dB over the threshold the unit will compress the signal and outputs a signal that only goes 1dB over the threshold For light compression choose a lower ratio while a heavy compression requires a higher ratio A setting of Inf 1 makes the compressor act as a limiter Gain G 20 to 20 dB This parameter is used to compensate for the gain lost during compression By using heavy compression on a signal and then boosting the signal with the output gain the user can create a signal that sounds much louder than it actually is 26 DriveRack Studio User Manual dbx PROFESSIONAL PRODUCTS Detailed Parameters LIMITER Limiter On Off Turns the Limiter module on and off OverEasy O Off to 10 There are ten levels of OverEasy that can be used for the limiters The point when the com pressor starts to compress is the knee When the compressor starts to reduce the level of a signal abruptly as it passes over the threshold this is called hard knee compression OverEasy soft knee as it is sometimes called is when the volume of the sound is compressed gradual ly OverEasy compression starts to compress before the level of the signal reaches the thresh old and reaches full compression after the level has gone above the threshold This OverEasy compression by its very nature sounds much smoother and more natural and will be used for most applications When it is gentle natural sounding or light com
44. n LIVE mode live filters automatically detect and remove feedback frequencies in the presence of audio music or speech When all of the live filters have been used they begin to round robin Essentially this means that the first filter set is replaced where a new feedback is detect ed and notched out This mode is useful because feedback frequencies may change as the microphone is moved and or as the characteristics of the venue change The Fixed Live filter usage will be indicated at the bottom of each page of the feed back elimination effect F indicates an available fixed filter and L indicates an avail able live filter A blocked out F or L indicates a filter that is set or in use Once the desired number has been selected press the lt NEXT PG gt and the display will read lezi Fixed Lupe Speech ME yr iri dbx PROFESSIONAL PRODUCTS DriveRack Studio User Manual Section 1 gece E e These types pertain to the Q sensitivity and algorithm type The filter is established by using the formula Q Freq divided by Bandwidth This means that a higher Q will produce a fil ter that is more narrow Values are Speech Bandwidth 1 5 octave and Q 7 25 Music Low Narrow notch filter Bandwidth 1 10 octave and Q 14 5 Music Medium Very Narrow notch filter Bandwidth 1 20 octave and Q 29 Music High Ultra Narrow notch fil ter Bandwidth 1 80 octave and Q 116 To guarantee that feedback is suppressed at lower fr
45. ng studios have several different moni toring systems to switch between to check their mixes In many cases you ll see everything those large 18 far field monitoring systems to the more common near field bookshelf style system to a small set of 5 cube speakers Introduction Rather than spending thousands on multiple sets of monitors the DriveRack Studio allows you to emulate the sound of various environments and popular monitoring systems Using the standard nearfield configurations used in most pro and project studios the DriveRack Studio recreates the performance of a number of larger and smaller monitoring systems pro viding you with a much better picture of how your mix will sound in a variety of playback situations The DriveRack Studio has 24 internal presets that are designed to help your monitors imitate what your mix would sound like on other popular monitoring systems and environments Each of these presets can be changed to suit your individual needs and taste and then the changes can be saved in one of the 25 RAM presets We have based our presets on three sets of popular source monitors Choose the presets that best fit the style of monitor you have in your studio Act8 Presets that are designed to work with active bi amplified sealed nearfield monitors with 8 drivers such as Mackie HR824 and ADAM P11A Act6 Presets that are designed to work with active or passive nearfield monitors with 5 25
46. nitoring in any studio The following are just some of the features of the DriveRack Studio DriveRack Studio features e Dual 28 band Graphic EQ Classic dbx Compressor e 120A Sub harmonic Synthesizer e 2x3 2x4 2x5 2x6 Crossover Configurations e Stereo Multi band Parametric EQ e Stereo Output Limiters e Pink Noise Generator e Auto EQ with 28 Band RTA JBL Speaker and Crown Power Amp Tunings with Setup Wizard 24 User Programs 24 Factory Programs e 2 Channel XLR Input and 6 Channel XLR Output e Front panel RTA M XLR input with phantom power 24 Bit ADC 24 Bit DAC gt 110 dB Dynamic Range e TypelV Conversion System Full Graphic LCD Display DriveRack Studio User Manual dbx PROFESSIONAL PRODUCTS Introduction olurnDnnli Gi TR DriveRack Studio A Note About the DriveRack Studio Professional studio designers go to great lengths to design control room spaces that are as acoustically perfect as possible However acoustic perfection is virtually impossible to achieve so even in multi million dollar recording facilities its not uncommon to use a com bination of analysis and EQ to tune the control room in an effort to correct or at least minimize the imperfections in frequency reproduction inherent in most acoustic spaces as well as the frequency response characteristics of a given pair of studio monitors The DriveRack Studio has all the tools you need to allow you to tune your own room creating
47. o Main Speaker Select Sub Speaker Select Amp Select Mono or Stereo Linked See list See list High Mid Low See list The NEXT and PREV buttons scroll through Amp Sensitivity Amp Level the pages of selected module High Mid Low High Mid Low Left and Right when using WIZARD i i AUTO EQ WIZARD Linked Graphic EQ Connect Mic Pink Noise Level Auto EQ L Auto EQ R Auto EQ L R Inf to 20dB AFS WIZARD Mixer gain turn down prompt Select Number of Select Type Mixer Gain Adjust Fixed Filter Setup Fixed Filters Low Med High mode Done 0 12 Successive presses of the Data wheel will select effect parameters within the currently selected page 16 DriveRack Studio User Manual dbx PROFESSIONAL PRODUCTS dbx PROFESSIONAL PRODUCTS Operating Functions The Operation section of the DriveRack Studio will be your key to successful navigation of the operation of the DriveRack Studio The following information provides descriptions about pro gram functions and operating functions of the DriveRack Studio 3 1 Program Definition The first step in understanding the thorough programming capabilities of the DriveRack Studio is to understand the elements involved that when combined define a complete program Within an individual program there are several levels of editing that make up the complete pro gram After turning the unit on you will be at the program mode level This l
48. on buttons of the DriveRack Studio allow direct access to all editing and navigating functions of the DriveRack Studio The functions of the aforementioned buttons are as follows 18 DriveRack Studio User Manual dbx PROFESSIONAL PRODUCTS Operating Functions lt PREV PG gt is used to navigate back through the various pages of any module block lt NEXT PG gt is used to navigate forward through the various pages of any module block lt EQ gt is used to move to the EQ modules Successive presses will move you through the EQ modules in the input section and through EQ modules located in the output section lt SUBHARMONIC gt This button is used to move to the Subharmonic Synthesizer module lt XOVER gt is used to move to the Crossover module lt FEEDBACK gt is used to move to the feedback elimination module lt COMP LIMITER gt is used to move to the Compressor or Limiter modules lt DELAY gt is used to move to the Delay module lt PROGRAM gt is used to enter program mode when pressed lt UTILITY gt is used to access the the Utility menu lt STORE gt is used to store any program changes lt WIZARD gt is used to enter the Wizard section which includes SYSTEM SETUP AUTO EQ WIZARD and AFS WIZARD 3 3 Editing Factory Programs Once you have reached the module that you wish to edit simply use the lt PREV PG gt and lt NEXT PG gt buttons to move through the pages within the module The lt
49. pression that you are look ing for the compressor offers VarikKnee VariKnee gives you ten levels of OverEasy com pression to choose from 1 being almost hard knee and 10 being the most OverEasy This lets you choose the exact knee that is needed for the dynamic effect you are looking for Threshold T 40 to 20dBu Threshold is the signal level at which the unit starts to compress the signal If the level is set to 10 dBu any signal larger than 10 dBu is compressed while any signal that has a level that is lower than 10dBu is left at the same signal level Light compression is where only the loudest parts of the signal go over the threshold Very heavy compression can be achieved by setting the threshold low enough that almost the entire signal content is over the threshold For most signals the most natural compression is achieved when most of the signal content remains just below the threshold and only the peaks cross the threshold 4 7 Alignment Delay The DriveRack Studio offers alignment delay to use for compensating signal delay that occurs due to physical differences in placement of internal speaker components such as horns speak ers and subwoofers within and between studio monitors For example if you have a subwoofer placed farther away from the rest of the speakers a natural delay will be created between the speaker groups The alignment delay is also ideal to compensate for the difference in high and low frequency sp
50. put 3 only e Monitor 3 Dim output 3 only with 15dB attenuation 7 All 3 Outs all outs active 8 Act8BigSub a big boost of sub synth 20 60kHz optimized for sealed active monitors 9 Act8LgSmile a smiley EQ curve and light compression optimized for sealed active monitors 10 Act8NS Speaker models designed to sound like Yamaha NS 10 book shelf style speakers optimized for sealed active monitors Act85inCube Speaker models designed to sound like Auratone style TV 5 speakers optimized for sealed active monitors 11 12 Act6BigSub a big boost of sub synth 20 60kHz optimized for small to mid diaphragm nearfield monitors Act6LgSmile a smiley EQ curve and light compression optimized for small to mid diaphragm nearfield monitors Act6NS Speaker models designed to sound like Yamaha NS 10 book shelf style speakers optimized for small to mid diaphragm nearfield monitors Act65inCube Speaker models designed to sound like Auratone style TV 5 speakers optimized for small to mid diaphragm nearfield monitors 13 14 15 16 PortBigSub a big boost of sub synth 20 60kHz optimized for ported nearfield monitors 17 PortLgSmile a smiley EQ curve and light compression optimized for port ed nearfield monitors 18 PortNS Speaker models designed to sound like Yamaha NS 10 book shelf style speakers optimized for ported nearfield monitors 19 Port5inCube Speaker mode
51. rned off prior to powering up the DriveRack Studio Software I Once the desired program has been chosen press the DATA wheel to load the program Mi NRAAJJAJAAAJAJAAJAAANAAH Sub Woofer 30 DriveRack Studio User Manual dbx PROFESSIONAL PRODUCTS DriveRaci Studio Section 5 Application Guide 5 2 Monitor Matrix Switcher Hardware I Connect the outputs from the mixer to the inputs of the DriveRack Studio 2 Connect the outputs of the DriveRack Studio and run to the selected speaker amplifier 3 Make sure that the mixer and power amps are turned off prior to powering up the DriveRack Studio Software I Once the desired program has been chosen press the DATA wheel to load the program NAJMJAMAAJAJMAJAAAANAH Monitor 2 Monitor 3 Monitor dbx PROFESSIONAL PRODUCTS DriveRack Studio User Manual 3 DriveRack Studio 5 3 DriveRack Studio as a Recording Effects Unit Section 9 Application Guide Hardware I Connect the outputs from the mixer to the inputs of the DriveRack Studio 2 Connect the outputs of the DriveRack Studio and run to the selected speaker amplifier 3 Make sure that the mixer and power amps are turned off prior to powering up the DriveRack Studio Software I Once the desired program has been chosen press the DATA wheel to load the program Monitor Monitor 2 Monitor 3 32 DriveRack Studio User Manual d b X PROFESSIONAL PRODUCTS
52. service you MUST contact Customer Service to obtain a Return Authorization Number No returned products will be accepted at the factory without a Return Authorization Number Please refer to the Warranty information on the following page which extends to the first end user After expiration of the warranty a reasonable charge will be made for parts labor and pack ing if you choose to use the factory service facility In all cases you are responsible for trans portation charges to the factory dbx will pay return shipping if the unit is still under warranty Use the original packing material if it is available Mark the package with the name of the shipper and with these words in red DELICATE INSTRUMENT FRAGILE Insure the package properly Ship prepaid not collect Do not ship parcel post bx rocoso some Hs V Introduction DriveRack Studio 0 3 Warranty This warranty is valid only for the original purchaser and only in the United States 1 The warranty registration card that accompanies this product must be mailed within 30 days after purchase date to validate this warranty Proof of purchase is considered to be the burden of the consumer dbx warrants this product when bought and used solely within the U S to be free from defects in materials and workmanship under normal use and service dbx liability under this warranty is limited to repairing or at our discretion replacing defective materi
53. several different Frequency responses for the Auto EQ The options are Flat 0 and Response A D and Low Medium and High Precision Once you have selected your desired EQ Frequency response press the lt NEXT PG gt button and the display will appear as follows i B Fink Hoise Mic level NINE EO Turn Ue Level Fink Level amp dde e You will now proceed to Pink the room by adjusting the Pink level The range of bar graph is 30dBu to 20dBu Be certain to raise the pink noise level to the level to be used during the performance Once the Pink level has been adjusted to the desired volume press the lt NEXT PG gt button and the Auto EQ sequence will begin The display will either show the graphic EQ or the RTA Rotating the lt DATA gt wheel clockwise and counter clockwise will toggle between the two modes You can also select either mode to default to in the Utility menu Regardless the display will appear something like this i mmm e At this point the DriveRack Studio will automatically EQ the room If you are using indepen dent left and right graphic EQs you will auto EQ each side independently If you are using a stereo linked EQ both sides will be EQ d simultaneously Auto EO can be aborted at any point in the process by pressing the lt NEXT PG gt button Upon completion of the Auto EQ Wizard you can return to program mode by releasing the lt RTA Input gt button and pressing the lt PROGRAM gt
54. ssive e Rotate the lt Data gt wheel to select any one of the numerous custom tuned MAIN speaker options available If the speaker being used is not specified in the menu select CUSTOM Once you have selected your Main speaker option press the lt NEXT PG gt button and the display will appear as follows lect 5 DFE Feo e Rotate the lt Data gt wheel to select any one of the numerous custom tuned SUB speaker options available Once you have selected your SUB speaker option press the lt NEXT PG gt button and the display will appear as follows L an ame lif ier rn MacroTech 1202 e You are now prompted to select a power amp by rotating the lt DATA gt wheel to select any one of the numerous custom tuned Amplifier options available Note that the top line of the display will either read High Mid or Low depending on your selected speaker setup selec tions Once you have selected your Amp tuning option depending on the amp type you will select the specified amplifier sensitivity setting if applicable Select erciLivity Grun MacroTech 1202 rro Holts e Rotate the lt DATA gt wheel to select the amplifier manufacturer s specified amplifier sensitivity setting Once set press the lt NEXT PG gt button and you will now be given the option of optimizing your amp levels with the DriveRack PA The page will appear something like this DriveRack Studio User Manual dbx PROFESSIONAL
55. supply that will accept voltages ranging from 100V 120V at freguencies from 50Hz 60Hz An IEC cord is included EU version accepts 220V 240V at freguencies from 50Hz 60Hz Outputs l 6 The output section of the DriveRack Studio offers six electronically balanced XLR connectors Inputs l 2 The input section of the DriveRack Studio offers two electronically balanced XLR connectors 4dBu 10dBv Switch This switch changes the level from either 4dBu or 10dBv Ground Lift Switch The ground lift switch lifts the pin 1 chassis ground of both input XLR connectors 1 2 Front Panel o P DriveRack Studio Studio Monitor Management System ae RTA Input Jack This balanced XLR input is used for the connection of an RTA microphone which allows the user to Pink and optimize the EO settings of any room through the use of the Auto EO in the Wizard setup assistant RTA MIC Input Selector Pressing the RTA MIC input button will engage the front panel RTA input XLR connector Data Wheel The Data wheel of the DriveRack Studio is used to scroll through the program menu load pro grams select parameters and edit parameter values 2 DriveRack Studio User Manual dbx PROFESSIONAL PRODUCTS j Ii daru SESSE Getting Started LCD Display The backlit LCD display of the DriveRack Studio provides the user with all of the vital pro cessing information of the DriveRack Studio including signal routing effect block editing and Wizard S
56. switch the power switch DOES NOT break the connection from the mains MAINS DISCONNECT The plug shall remain readily operable For rack mount or installation where plug is not accessible an all pole mains switch with a contact separation of at least 3 mm in each pole shall be incorporated into the electrical installation of the rack or building FOR UNITS EQUIPPED WITH EXTERNALLY ACCESSIBLE FUSE RECEPTACLE Replace fuse with same type and rating only MULTIPLE INPUT VOLTAGE This equipment may require the use of a different line cord attach ment plug or both depending on the available power source at installation Connect this equip ment only to the power source indicated on the equipment rear panel To reduce the risk of fire or electric shock refer servicing to qualified service personnel or equivalent This Equipment is intended for rack mount use only IMPORTANT SAFETY INSTRUCTIONS LITHIUM BATTERY WARNING CAUTION This product may contain a lithium battery There is danger of explosion if the battery is incorrectly replaced Replace only with an Eveready CR 2032 or equivalent Make sure the bat tery is installed with the correct polarity Discard used batter ies according to manufacturer s instructions ADVARSEL Lithiumbatteri Eksplosjonsfare Ved utskifting benyttes kun batteri som anbefalt av apparatfabrikanten Brukt batteri returneres apparatleverandgren ADVARSEL Lithiumbatteri Eksplosionsfare ved fe
57. to 60 min This parameter allows the user to setup the box so that the Live filters will automatically be removed after a set time as indicated by the Lift After parameter It ranges from 5 seconds to 60 minutes This feature is useful if the microphone being used is moved or the characteris tics of the venue change over time As example a filter placed minutes ago will not be present ly preventing feedback This feature removes unnecessary filters from the spectrum to increase sonic quality If the feedback is still there after the filter is removed it will catch it and notch it out the same dbx PROFESSIONAL PRODUCTS DriveRack Studio User Manual 23 Detailed Parameters Vr Viti td 4 3 Subharmonic Synthesizer The Subharmonic Synthesizer module has been specifically optimized to enhance Bass audio material for use in a variety of professional applications film sound music recording broad casting mixing and live music performance The Subharmonic Synthesizer module s two separate bands of subharmonic synthesis provide the best combination of smoothness and control and the independent low frequency boost cir cuit is designed to get the most out of high performance low frequency speaker systems Sub Harmonic Synth On Off Turns the Subharmonic Synth module on and off Sub Harmonics Synth 0 to 100 This parameter sets the overall level of the Subharmonic Synthesizer 24 36Hz and 36 56Hz Subharmonic Synthesis Lev
58. to ensure that all aspects of operation are intuitive and logical Simply stated the DriveRack Studio operating system was designed with user s best interest in mind 2 1 Basic Navigation Modes Navigational aspects of the DriveRack Studio are clear concise and more important flexible The DriveRack Studio provides you with essentially three different modes of navigation when performing program edits 1 FX buttons This array of 12 FX buttons is your primary mode of directly accessing any effect module 2 NEXTPG amp PREVPG page buttons Successive presses of the NEXTPG or PREVPG page buttons will move the user from one page to the next in an effect block 3 Data Wheel The Data Wheel is used to move through the pro gram menu of the DriveRack Studio The Data wheel is also used to change the values of the selected parameter by simply rotating the wheel Pressing the Data wheel will toggle between the available parameters on any selected page of the currently selected effect module 2 2 FX Button Array Overview EE PREVIOUS PAGE Moves to the previous page in the currently selected effect menu fe NEXT PAGE Moves to the next page in the currently selected effect menu Fu EO Selects the EQ effect menu This is the EQ section located prior to the crossover section Successive presses will rotate through the various pre crossover 28 band EQ and Post xover PEQ section modules sais SUBHARMONIC Selects the Subharmonic Synthes

Studio DriveRack Manual 6/18/03

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