1074 - HARMAN Professional
Contents
1. 477 Key Input Or VCA T gt A Monitor Outputs BYPASS Filter 1 3 RMS K Detector Control ey Threshold Depth Release 7 Ch I and or 3 Input No Wk 5 Fa Monitor Outputs 77 lt 55 Rae Stereo Couple Filter RMS Y Detector Control Key Filter Threshold Depth Release Ch 2 and or 4 10 1074 User Manual dbx by HARMAN Input Connectors Type Impedance Max Input Level gt CMRR Key Input Output Connectors Type Impedance Max Output Level XLR Pin 2 and tip hot Electronically balanced unbalanced RF filtered Balanced gt 50 kOhm unbalanced gt 25 kOhm 22 dBu balanced or unbalanced 40dB Typically gt 55 dB at 1 kHz Electronically balanced unbalanced RF filtered Balanced 50 kOhm unbal anced gt 25 kOhm XLR Pin 2 hot Servo balanced unbalanced RF filtered Balanced 60 Ohm unbalanced 30 Ohm gt 22 dBm balanced gt 20 dBm unbalanced System Performance Bandwidth Frequency Response Noise Dynamic Range THD Noise Interchannel Crosstalk Stereo Coupling Power Supply Operating Voltage Power Consumption Fuse Mains Connection Physical Dimensions Wei2. Section Getting Started 1 1 Rear Panel Connections 6 1 2 Front Panel Connections 6 Section 2 Setups and Applications 2 1 Basic 8 2 2 Suggested 8 Appendix Plock Dia grain 1 10 Specifications uani 11 Table of Contents 122 dbx by HARMAN INTRODUCTION Pk 1227 dbx by HARMAN Congratulations on your purchase of the dbx Professional Products 1074 Quad Noise Gate For over 30 years dbx Professional Products has been the industry leader in dynamics processing With the intro duction of the 1074 the standard for Noise Gate Processors has been raised by the industry leader once again The 1074 Quad Noise gate offers is the perfect tool for any gating need that may come about From whether you need to remove unwanted noise or other background noise The 1074 is also ideal for gating high transient material through four independent channels This manual will be your guide to understanding the full functionality of the powerful 1074 After you have become familiar with the unit we encourage you to experiment and find creative ways that the 1074 can help you optimize your specific application 0 1 Defining the 1074 The dbx 1074 Quad Noise gate provides the user with four independen
3. OBJECT FILLED WITHI LIQUID SUCH AS VASES SHALL BE PLACED ON THE APPARATUS CLEAN ONLY WITHA DRY CLOTH DO BLOCK ANY OF THEVENTILATION OPENINGS INSTALL IN AC CORDANCE WITH THE MANUFACTURER S INSTRUCTIONS DO NOT INSTALL NEAR ANY HEAT SOURCES SUCH AS RADIATORS HEAT REGISTERS STOVES OR OTHER APPARATUS INCLUDING AMPLI FIERS THAT PRODUCE HEAT ONLY USE ATTACHMENTS ACCESSORIES SPECIFIED BY THE MANUFAC TURER 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 manufac ture 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 qualified service personnel Servicing is required when the apparatus has been damaged in any way such as power supply cord or plug is damaged liquid has been spilled or o
4. received including interference that may cause undesired operation Operation of this unit within significant electromagnetic fields should be avoided e 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 BS1362 If you want to dispose this product do not mix it with general household waste There is a separate collection system for used electronic products in accordance with legislation that requires proper treatment recovery and recycling Private household in the 25 member states of the EU in Switzerland and Norway may return their used electronic products free of charge to designated collection facilities or to a retailer if you purchase a similar new one For Countries not mentioned above please contact your local authorities for a correct method of disposal By doing so you will ensure that your disposed product undergoes the necessary treatment recovery and recycling and thus prevent potential negative effects on the environment and human health DECLARATION OF CONFOR
5. MITY dbx Professional Products 8760 S Sandy Parkway Sandy Utah 84070 USA Manufacturer s Name Manufacturer s Address declares that the product Product name dbx 1074 Note Product name may be suffixed by the letters EU Product option None conforms to the following Product Specifications Safety IEC 60065 01 Amd 1 EMC EN 55022 2006 N A Analog Product 1000 4 2 IEC61000 4 3 1000 4 4 IEC61000 4 5 IEC61000 4 6 IEC61000 4 8 1000 4 11 Supplementary Information The product herewith complies with the requirements of the Low Voltage Directive 2006 95 EC EMC Directive 2004 108 EC ROHS Directive 2002 95 EC WEEE Directive 2002 96 EC With regard to Directive 2005 32 EC and EC Regulation 1275 2008 of 17 December 2008 this product is designed produced and classified as Professional Audio Equipment and thus is exempt from this Directive Roger Johnsen Director Engineering Signal Processing 8760 5 Sandy Parkway Sandy Utah 84070 USA Date August 16 2011 European Contact Your local dbx Sales and Service Office or Harman Signal Processing 8760 South Sandy Parkway Sandy Utah 84070 USA Ph 801 566 8800 Fax 801 568 7583 Introduction 0 1 Defining the 1074 naninira 2 0 2 Service Contact 3 0 3 0 4 Installation Recommendations 4
6. be accepted at the factory without a Return Authorization Number Please refer to the warranty below which extends to the first end user After expiration of the warranty a reasonable charge will be made for parts labor and packing if you choose to use the factory service facility In all cases you are responsible for transportation 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 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 2 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 3 dbx liability under this warranty is limited to repairing or at our discretion replacing defective materials 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 mu
7. bjects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not operate normally or has been dropped POWER ON OFF SWITCH If the equipment has a Power switch the Power switch used in this piece of equipment 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 RECEP TACLE Replace fuse with same type and rating only MULTIPLE INPUT VOLTAGE This equipment may require the use of a different line cord attachment plug or both depending on the available power source at installation Connect this equipment only to the power source indicated on the equipment rear panel To reduce the risk of fire or electric shock refer servic ing to qualified service personnel or equivalent If connected to 240V supply a suitable CSA UL certified power cord shall be used for this supply IMPORTANT SAFETY INFORMATION ELECTROMAGNETIC COMPATIBILITY This unit conforms to the Product Specifications noted on the Declaration of Conformity Operation is subject the following two conditions this device may not cause harmful interference and e this device must accept any interference
8. dbx by HARMAN User Manual IMPORTANT SAFETY INFORMATION RISK OF ELECTRIC SHOCK DONOTOPEN ATTENTION risquepecHoc ELECTRIQUE NEPAS OUVRIR WARNING torepuce THERISK OF FIREORELECTRIC SHOCK DONOTEXPOSE THIS EQUIPMENT TORAINORMOISTURE 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 indicates that it is necessary for the user refer 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 during storms to prevent damage SAFETY INSTRUCTIONS NOTICE FOR CUSTOMERS IF YOUR UNIT IS EQUIPPED WITH A POWER CORD WARNING THIS APPLIANCE SHALL BE CONNECTED TO A MAINS SOCKET OUTLET WITH A PROTECTIVE EARTHING CONNECTION 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 main
9. ed dbx by HARMAN I I Rear Panel Connections IN USA 4 OUTPUT INPUT power KEY INPUT Fuse REPLACE WITH k ATTENTIONUTILISER UN FUSIBLE DE RECHARGE DE MEME TYPE ET CALIBRE 100 120V 50160 Hz FUSE T 300A L 250V IEC Power Cord Receptacle This is the power cord receptacle of the 1074 An IEC cord is included with the shipped product Power Switch Turns the 1074 on and off Output Connectors The output section of the 1074 offers electronically balanced XLR connections An output transformer option is available when very long cable distances are required see Specifications Operating Level Switch The Operating Level switch allows you to select between either a 4dBu operating level or 10dBv operating level allowing you to match the operating level of the connecting components Key Input Jack The 1 4 TRS Key Input jack allows you to add a source signal directly into the gating path of the 1074 which is used to trigger the gating effect Input Connectors The input section of the 1074 offers electronically balanced XLR connections 1 2 Front Panel Controls ranee rou O as 7020 0 0 020 0 0 676 0 6 6 6 6 6 D 0 2 s B27 0 2 Bs 2 3 Note The following controls are inde
10. eo Couple LED indicates that the two channels are stereo coupled Threshold Control Adjusting this control sets the level at which the gate will open and allow the signal at the input to pass through to the output Turning the knob fully counter clockwise to off allows the gate to pass all signals unattenuated effectively bypassing the gate Turning the knob fully clockwise causes the gate to attenuate input signals below 10dBu The amount of attenuation depends on the setting of the depth control Depth Control This control sets the amount of attenuation applied to the signal once it is below the threshold Release Control Adjusting the Release control sets how fast the gate closes once the input signal falls below the threshold The release rate is from 01 seconds fully counter clockwise to 3 seconds fully clockwise Note The gate release rate is accelerating in that the dB Sec rate continually increases as the gate closes dbx 1074 User Manual by HARMAN 2 1 Basic Connection of the 1074 Turn off all equipment before making any connections Install the 1074 in your rack with the provided rack screws It is essential that when the 1074 is being mounted in a rack mounting enclosure the unit should be positioned with enough room at least 1U of space above the unit and 1U of space at the below the unit to allow proper ventilation The 1074 should not be mounted above or below anything that generates excessive heat A
11. ght Shipping Weight Options Output Transformer Per Channel 20 Hz to 20 kHz 0 0 5 dB 0 35 Hz to 200 kHz 0 3 dB lt 96 dBu unweighted 22 kHz measurement bandwidth gt 115 dB unweighted 0 008 typical at 4 dBu 1 kHz unity gain 0 08 typical at 20 dBu 1 kHz unity gain lt 0 1 any amount of compression up to 40 dB 1 kHz lt 80 dB 20 Hz to 20 kHz True RMS Power Summing Factory selected 100 120 VAC 50 60 Hz or 200 240 VAC 50 60 Hz 30 Watts 100 120 VAC T 300 mA L 250V 200 240 VAC 160 mA L 250V IEC receptacle 1 75 19 9 4 4cmx48 3cmx20 1cm 6 9 lbs 9 3 lbs Jensen JT 123 dbx or RE 123 dbx Note Specifications subject to change 1074 User Manual 1 dbx by HARMAN 8760 South Sandy Pkwy Sandy Utah 84070 Phone 801 568 7660 Fax 801 568 7662 Questions or comments Email customer dbxpro com Website www dbxpro com 18 0431V B Printed in China
12. mbient temperatures should not exceed 113 F 45 C when equipment is in use Although the unit is shielded against radio frequency and electromagnetic interference extremely high fields of RF and EMI should be avoided where possible Make audio connections via XLR plugs For input and output connections use the XLR balanced or unbalanced connections For Key input applica tions use 1 4 TRS balanced or unbalanced connections Apply power to the 1074 Connect the AC power cord to the AC power receptacle on the back of the unit Route the AC power cord to a convenient power outlet away from audio lines The unit may be turned on and off from the rear panel power switch or from a master equipment power switch 2 2 Suggested Applications 1 Gating Dry and Percussive sounds such as snare Drum and Kick Drum 2 Gating sounds that have longer decay times such as cymbals and Pianos 3 Gating Hum or Buzz from live instruments or recorded tracks 4 Eliminating Headphone leakage into microphones 5 Gating instrument microphones to eliminate amplifier bleed 6 Adding Dynamics to a track or mic d instrument 7 Suppress feedback by gating microphones 8 Control gating action by an external signal at the Key Input on the rear panel 9 Tighten Up a room by gating out undesired ambience 8 1074 User Manual dbx by HARMAN APPENDIX dbx by HARMAN Block diagram Input 1074 Block Diagram
13. pendently adjustable for each channel of the 1074 or can be stereo coupled per pair of channels the exception of course being the STEREO COUPLE switch Filter Control 80Hz to 8kHz The Filter control allows you to select the frequency at which gating occurs Frequency ranges from 80Hz to 8kHz Filter On Off Pressing the Filter switch will engage the filter Key Input On Off Pressing the Key switch will engage the inserted Key input source signal 6 1074 User Manual dbx by HARMAN Monitor On Off When the Monitor switch is engaged it allows you to monitor the filter control when the Filter switch is engaged and or the key input when the Key switch is engaged Once adjustments have been made switch the Monitor switch back out for normal operation Stereo Couple Switch The Stereo Couple switch is used to select either Stereo or Dual Mono modes on the 1074 To couple channels as stereo pairs press the Stereo Couple switch between each pair When this procedure is performed the odd numbered channel becomes the master and the even numbered channel becomes the slave The slave channel s controls switches and LEDs will be disabled and control for both channels of the pair is controlled via the master channel s controls With the Stereo Couple switch out each channel of the pair 1 amp 2 or 3 amp 4 function as two separate mono gates Each channel has its own independent controls Stereo Couple LED The Ster
14. s lead of this appliance may not correspond with the coloured markings identifying the terminals in your plug proceed as follows 9 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 9 The core which is coloured blue must be connected to the terminal marked 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 qualified service personnel who should refer to the table below green yellow wire shall be connected directly to the units chassis CONDUCTOR WIRE COLOR Normal Alt L LIVE BROWN BLACK N NEUTRAL BLUE WHITE GREEN EARTH GND YEL GREEN WARNING If the ground is defeated certain fault conditions in the unit or in the system to which it is connected 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 THE FOLLOWING KEEP THESE INSTRUCTIONS HEED ALL WARNINGS FOLLOW ALL INSTRUCTIONS THE APPARATUS SHALL NOT BE EXPOSED TO DRIPPING OR SPLASHING LIQUID AND NO
15. st be obtained from dbx by telephone The company shall not be liable for any consequential damage as a result of the product s use in any circuit or assembly 4 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 prod ucts previously manufactured 5 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 consequential damages or from any delay in the performance of this warranty due to causes beyond their control dbx 1074 User Manual 3 by HARMAN 0 4 Installation Recommendations FOR RACK MOUNT USE ONLY Install the 1074 in your rack with the provided rack screws When installed in a rack the unit should be positioned with enough room at least one 1U above the and 1U below the unit to allow proper ventilation The 1074 should not be mounted above or below anything that generates excessive heat Ambient temperatures should not exceed 113 F 45 C when equip ment is in use Although the unit is shielded against radio frequency and electromagnetic interference extremely high fields of RF and EMI should be avoided where possible 4 1074 User Manual dbx by HARMAN Getting Start
16. t channels of noise gate capabili ties In addition the 1074 also offers the following features 4 Dedicated and independent Channels of user selectable Noise gating in any combination including dual stereo or two mono and one stereo Advanced program adaptive circuitry ensures fast attack times to pre serve the character of percussive sounds and incredibly smooth release that won t chop off reverb tails or decaying guitar chords e 2 Segment threshold status LEDs on each channel Balanced Inputs and Outputs Stereo couple for channels 1 amp 2 and 3 amp 4 Key Input for External Gate Triggering 2 1074 User Manual dbx by HARMAN 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 rear 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 consultation If you need to return a product to the factory for service you MUST contact Customer Service to obtain a Return Authorization Number No returned products will
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