Short Form Information - Neumann Studio Monitors
Contents
1. o CAUTION wann Narr PIN High To prove ths risk of a and shock hazard don t N AG117V 50 60 PINS OUTPUT THROUGH INPUT DIGITAL ose tis pplance 1o most and an f Sse o o o o IN OUT Rotor to qualified service personnel or service Y Center Mode Ss ne 1 O Input RS 232 wo O 1 S Subwoofer Level wi E SETUP MEMORY MODULE A S DaB O ra 5 gt T LEVEL O O O O N J Max power consumption 50 VA o 2 O Tiata m o o I H Bypass i awa S50 Phase 0 deg am ao um TA 2 x rouno connecffeo ungen WA x td As baw a CORA Baia a N Low Cut 30 Hz KT BYPASS Kal Hd REMOTE Left Ch Input sec TL Rear Right Ch Input as mar o O 800 Aco ITISA PUT ANALOG OUTPUT Ml nz x P Cc 28 aonr msesisa O GROUND 6 O fo 2 low RO o ur 3 mid KLEIN HUMMEL n Rightz high 24 BIT STEREO 4 WAY FIR CONTROLLER o E OS High 2TIMES 14 BAND PARAMTETRIC EQ CE mans 7 GND KLEINHUMMEL GmbH 073780 Osidem MADE IN GERMANY o o D AC 200 V 50 60 Hz o CAUTION HeH Mp Low To prevent the risk offre and shock hazard don t AGLI7V 50 60 He2. 7 DigitalOutput on ff A As 8 InputRouting Normal Reverse Mono m Norma St 9 Speaker Select Mati Tp T T Subwoofer E 10 Master Delay a I 9m Distance mp 9 9m 0 Fo Cha ne igh ee EEE IS 13 ChannelGain High Mid Low Sub L R L R dB 18 6dB 00 14 Channel Phase Invert___ High Mid Low Sub L R L R yes no no 15 Channel Delay High Mid Low Sub L R L R ms 0 21m 00 16 DelayLink off Mid Hi Low Mid Hi PO Low MidkHi_ 17 Limiter Display Test via Ente O o TT 0 K H Pro C 28 System Menu 0 1 2 3 4 5 2 Midi Settings Jout out only out trough loop outonly PParaChg on off CT Midi Monitor stat 3 Security Level Password Password AY 000 4 Change Password CT 5 IRControl Cs ff e on 6 AES Stat Sample Rate SRatefkHz 7 Version No Betriebssystem Reeboot OT Initialize 8 Service Section Check LED Bargrapnhn_ m 7 7 9 Version No Eprom App V KH1 0XX 0 K H Pro C 28 EQ Menu 0 1 2 3 4 5 Bass EQ JB ______________ __ 10 0f2J09B gt _ __o MidEQ AB ___ 5 0 t0B_ _o_ High EQ GB GBT PT A E ce Channel L R L R Y A AR Type HS12 HS6 LS12 186 Peak Peak HP HPGLPIa Pe Frequenz O ere 12 EQ10 Gene e vo Pi Load EQ Setup No Name TO TO 000 Default StU 14 Save EQ Setup Enter Setup Name Enter SetupNo Default Setup 16 KLEIN HUMMEL GmbH
3. OUTPUT THROUGH INPUT DIGITAL Expose ti apalane oie and rn o 0 o O O IN OUT Reter to qualified service personnel for service O INPUT RS 232 MIDI O f N i l 4 268 serie aot z o O 0 o p Max power consumplir 60 VA O LoverraL sert Rear Left Ch Input ATAR o o o moso 1 AMPLIFIER POWERED SYSTEM internal external I Controller I Select 7 amp Ma O one P 5 r IA a wee ee Seer o e En pur m 15 KLEIN HUMMEL GmbH KLEIN HUMMEL 21 05 02 Digital FIR Controller Operating Software Overview cee 0 1 2 3 4 5 1 LoadSetup No Name 000 Default Setup 2 SaveSetup Enter Setup Name Enter Setup No 3 Input Gain 83 0 45 dB 4 Gain Offset Analog dB _______________ ___ 30 300B__ O ____ 5 Mute Mute on Mue J J w 6 InputSelect Analog Digital Digitallnset_____ Analog
4. o XLR 3 K H Studio Monitors i f 4 4 XLR 7 0 i i 1 16 L l a Low Output H Scaling 8 ry e mH A E LF _ DHE ar over Speaker Peak Thermo 24 Bit delta sigma Symmetrical Channel Delay FIR EQ Limiter e Dither N Sh Output Stage 8 1 Low Output m i 4 gt XLR 3 Dual 24 Bit f 16 16 delta sigma 4 H S AD Converter f 1 6 H 1 0 A pl H u Sub Output BEE Scaling electr transf a E _ gt a Laa E symm coupled Py saree Be 24 Bit delta sigma Symmetrical SENSE FIR EQ Limiter EEE Output Stage ds Oa i Sub Output 4 P XLR 3 pl IE Digital Digital LI f 16 16 Input insert trough 1 Transformer Input Gain Mute Analog Digital Gain Offset 2 High Mid Low Sub Gain High Mid Low Sub Mute YY BS Analog In Digital Insert Trough Digital In Digital In XLR 3 AES EBU AES EBU S PDIF Gain Altering Element I Sample Rate 21 05 02 Pro C 28 Digital FIR Controller Description of Inputs and Outputs o Analog Input Accepts signal levels up to 24 dBu switchable between electronically and transformer balanced operation o Analog Output electronically balanced output stages with max output levels of 16 10 4 dBu selectable inside asymmetric operation possible by shorting PIN 3 and PIN1 without changing the gain o Multicore Output Carries the high mid and low analogue output
5. Digital FIR Controller Pro C 28 Short Form Information KLEIN HUMMEL GmbH Zeppelinstr 12 73760 Ostfildern Germany engl 16 05 02 Tel 49 0 711 45893 0 Fax 49 0 711 45893 35 email info klein hummel de http www klein hummel de KLEIN HUMMEL GmbH KLEIN HUMMEL 21 05 02 Pro C 28 Digital FIR Controller Contents Page AT ee eee eee ee ee eens 2 Ss es degeut eave ewegeh see 4edeee anes eeered ees 4edenseeea seer 3 Front and Rear Controls and Connectors 22222222 ce eee 6 Signal Block Diagram 0 eee eens 7 Description of Inputs and Outputs 0 0 ee eee 8 The Integrated PEQ Section ce ee ee es 9 Performance Plots of the O 300 D Monitor with Pro C 28 Controlling 11 Peak RMS Limiter Function 0 0000 13 Connecting K H Monitors and Subwoofers 2 0 00 cece eee 14 5 1 Surround System Setup 0 0 0 ee ee eee 15 Operating Software 1 ee eee eee 16 Organization of Stored Parameter Setups 0 0 00 cee eee 17 Room Specific Parameter SetupS 0 0 ee ee eee 18 Optional IR Remote Control 0 0 0 ee eens 20 For additional in depth information concerning the K H Pro C 28 digital controller please refer to the user s manual A e 21 05 02 Pro C 28 Digital FIR Controller Concept gt Stereo 4 Way digital loudspeaker controller designed for use with studio and PA l
6. Q 0 5 1 2 4 Fig 4 High shelving filter Q 0 4 0 6 0 8 1 0 Gain 10 dB frequency 1 kHz Gain 6 dB frequency 1 kHz 21 05 02 Pro C 28 Digital FIR Controller Fig 5 HP filters frequency 50 100 700 2000 Fig 6 PEQ filters bell 6000 Hz Slope 12 dB Oct Gain 10 6 3 0 3 6 10 dB Gain 10 dB Butterworth Char frequency 150Hz Q 2 Possible PEQ Settings and Ranges Available in Each Band Setting Range of Setting Channel MIA ll N N MER HS 12 high shelving 12 dB Oct HS 6 high shelving 6 dB Oct LS 12 low shelving 12 dB Oct LS 6 low shelving 6 dB Oct Peak bell HP 12 high pass 12 dB Oct HP 6 high pass 6 dB Oct LP 12 low pass 12 dB Oct LP 6 low pass 6dB Oct Fig 6 Low shelving filters Gain 10 6 3 0 3 6 10 dB a 0 1 6355 frequency 300 Hz Q 0 7 Tr 99 12 dB 10 KLEIN HUMMEL 21 05 02 KLEIN HUMMEL GmbH Pro C 28 Digital FIR Controller Performance Plots of the O 300 D Monitor with Pro C 28 Controlling Overall transfer function and transfer functions of the three ways Group delay response of O 300D with the following phase equalizations Low mid and high linear phase Curve 1 Low minimum phase mid and high linear phase Curve 2 Low mid and high minimum phase Curve 3 11 Ww gt T z iu 4 x o Q LO Q
7. Controller bypassed Hat 1 i e K H O 300 D f a Driver Analogue l ae Controller Mid t P not in use Freq Driver Active Studio Subwoofer D tty it internal l Low h tt Freq external Driver normal SL J9 Power Amp Direct Input i i i K H O 800 i 1 l Level Pot 0 dB Center Mode N 1 Phase Pot 0 deg normal i N f i Bypass Right Input Multicore Cable with 2 7 Pin XLR Connector Center Input 1 Neutrik Left Input NC 7 MX B analog Right Ch Signal Input Neutrik NC 7 FX B to Left Studio Monitor mo 2 TIMES 14 BAND PARAMTETRIC EQ KLEIN HUMMEL GmbH D 73760 Ostfildem MADE IN GERI SE ANALOG INPUT A RIGHT MULTICORE LEI PIN a ASE Pro C28 TT 7 2 Low O i d N 3 Mid KLEIN lt HUMMEL O Ft YA rights Right Hion 24 BIT STEREO 4 WAY FIR CONTROLLER O A u E j JA J 6 High E 7 GND fil MANY oO ard don t un f ON au OUTPUT THROUGH expose thi nd rain r service Digitalcontroller K H Pro C 28 analog Left Ch digital L R Ch Signal
8. MID Slide switch to select the Digital AES EBU Digital S PDIF Input 25 PIN SUB D Connector Mains Supply i analogue input mode Output RS 232 MIDI Memory value EO Mathie transformer balanced or Module Socked j Digital AES EBU Reset Key electronically balanced Input 21 05 02 Pro C 28 Digital FIR Controller Signal Block Diagram Simplified RSS Sansa sans a a a n nun nenn 7 f f H IIR Section s s FIR Section High Output I y Scaling 0 e PA br 7 ait ib ya ZA 1 a 8 10 Band i u Xovers Speaker Peak Ze 24 Bit delta sigma Symmetrical parametric IIR EQ Room EQ Master Delay Channel Delay i FIR EQ mien DA Dither N Sh Output Stage A ERRREREEUUEEREEEREEERE EN High Output XLR 3 a f po H i 1 4 i LJ i Mid Output 0 i a Scaling Z 1 e mim E Analog Digital xX Speak A Peak Thermo 24 Bit delta sigma Symmetrical input Input Insert Sa er Limiter PA Dither n Sh Output Stage 8 Mid Output Output for
9. 21 05 02 Pro C 28 Digital FIR Controller Organization of Stored Parameter Setups All Parameter Setups are stored in the internal flash rom chip which is capable of max 70 different parameter setup files e Typical display shot when entering the Speaker Select Menu Step belonging to the MAIN Menu TOP SUBWOOFER PRO X 6 PRO X SUB S e Organization of all stored parameter setups according to a matrix structure Example with 6 x 3 18 parameter setup files max gt 70 files None ProXSubS RB 480 1 blk 1 blk 3 blk RX 60 4 blk 5 blk 6 bik Neutral neuttbk neutzbik neutzbk ss Top cae blk single parameter setup file 21 05 02 Pro C 28 Digital FIR Controller Room Specific Parameter Setups General Standard parameter setups as delivered by K H together with a studio monitor like the model O 300 D are optimized by the K H acoustic laboratory to achieve a flat overall frequency response of the whole system This proceeding is the same like with all analogue controlled studio monitors at K H Additionally at the Pro C 28 the phase response is equalized to a linear or a minimum run which is only possible with the Pro C 28 s proprietary digital FIR filtering concept To adapt a given controller monitor setup to a listening environment i e studio the end customer can use the possibilities of the integrated 10 Band PEQ and or the room EQ Because of the conventional II
10. ADE IN GERMANY Mawo mu a we PEPE ER a Sen ACTV 50 80 He PNS Z gt IT OUTPUT THROUGH INPUT DIGITAL Crozet planes o mt ron i Center Mode y Sa a O oO IN OUT Refer to qualified service personnel for service Subwoofer Level o r AEs RS 232 MIDI O fi ee A 0dB Op EE o u o o O o 1 i I o Max power consumption 50 VA Loarrat nsenr i Bypass h a 1 Isg Phase 0 de T una se g CENTER Noe SUS DREGE Negima N m ou conec fo urko BYPASS sus a yf N Low Cut 30 Hz Ap BYPASS GEA AA LAA REMOTE LFE Ch Input O TTT o T Right Ch Input KLEIN HUMMEL O 800 ACTIVE STUDIO SUBWOOFER MAGNETICALLY SHIELDED CAUTION CAUTION ACV ITISA O ANA PUT ANAL OUTPUT ml F IULTICOR PIN o o SL PRO 9 9 9 9 9 9 sie ao o n E bight Md T 24BIT STEREO 4 WAY FIR CONTROLLER ES Right ightz j Sh 2TIMES 14 BAND PARAMTETRIC EQ MAINS 7 GNDL KLEIN HUMMEL GmbH D 73760 Ostfildern MADE IN GERMANY O O O o D oO O o mD Low sus PS Eo
11. Input Signal Input 14 KLEIN HUMMEL GmbH KLEIN HUMMEL 21 05 02 Pro C 28 Digital FIR Controller 5 1 Surround System Setup Shown Example 5 x K H Monitor O 300 D and 2 x K H Subwoofer O 800 Front R Front C Front L O O 0300 O O 0300 o o o j TE ya J O u WARNING Ss j TE e J O nent O Ee ro 0000000 i La Q O wt O al a O O Mc O bot 0000000 P Is O lo o a crono 2 o us ong fe PUT ANALOG OUTPUT If Es ES ri O sroun 9 9 9 2a 5 a Pro C 28 o sn can Rights po Rights H PA 24BIT STEREO 4 WAY FIR CONTROLLER u O 6 High 2 TIMES 14 BAND PARAMTETRIC EQ CE MAINS 7 GND KLEIN HUMMEL GmbH D 73780 Ostfildern M
12. Operation Easy stand alone operation via the front panel controls Alternatively operation via the remote control type RC 55 optional feature Operation via IBM compatible PC possible RS 232 port integrated Software based operating concept with only three menu trees o MAIN Menu Settings like Input Gain Input Select Mute Parameter Setup o SYSTEM Menu General system settings like Display Brightness MIDI Settings Software Version o EQ Menu Settings of the integrated IIR filter section PEQ and room EQ Connection of several units via the internal MIDI port IN OUT THROUGH provides a synchronous variation of all parameters i e volume within a 5 1 surround setup New parameter setups can be transferred into the Pro C 28 by connecting a PC to the internal RS 232 port The internal memory is capable of storing up to 70 different parameter setups Switching between different parameter setups can be done in real time during normal operation Every setting of the Pro C 28 even the selected parameter setup can be stored within a general system setup The remote control provides direct access selection of up to four different system setups Optional memory module available for storing system setups to provide easy and save system recovering in case of failure KLEIN HUMMEL GmbH KLEIN HUMMEL 21 05 02 Pro C 28 Digital FIR Controller Front and Rear Controls and Connectors IR Sensor Mains Switch Inc
13. R filtering in this section it is possible to listen measure the changes in real time like with an analogue PEQ To maximize system performance it is highly recommended to create an individual FIR parameter setup which provides the desired room equalization without affecting the phase response of the system like the IIR digital filters do and any of course any other analogue EQ does There are two different options how to get the necessary room EQ setting to create the room specific parameter setup Option A for the very best system performance System set up and measuring of the system done by K H or specially authorized sub contractors on customer s location 1 Set up of the system consists of Pro C 28 and K H active powered studio monitor 2 Measuring the system s frequency response up to 30 times at different points in the surrounding area of the main listening position After that all plots are averaged to get one representative plot for the behaviour of the system In this way each speaker has to be analyzed It is definitely not sufficient to take only one single measurement for example at the audio engineer s position to get the desired result 3 Correction of unlinearities in the averaged plots using the internal PEQ filters The resulting equalization curve of the PEQ affects the target function of the new FIR filter setup 4 Calculation of the new room specific FIR filter setup using a proprietary loudspeaker meas
14. channel in a single 7 PIN XLR terminal o Digital input XLR To connect symmetric AES EBU sources to the Pro C 28 This input is transformer coupled o Digital input BNC To connect asymmetric AES EBU Sources 1Vpp and asymmetric S PDIF Consumer sources to the Pro C 28 o Digital output through As delivered by factory his AES EBU transformer coupled output carries the converted analogue input signal without any manipulation Alternatively this output can double the digital signal which is applied to either the BNC or XLR digital input The desired option is selected internally o 25 PIN SUB D Connector This connector accesses the following digital ports of the integrated microcomputer o RS 232 port for connecting the Pro C 28 to a PC to transfer parameter setup files o MIDI IN OUT THROUGH ports to connect several Pro C 28 s o EE Data for accessing the external memory module 21 05 02 Pro C 28 Digital FIR Controller The Integrated PEQ Section The PEQ provides a 10 band equalization with switchable characteristics and full parametric variation and can be operated independently for the right and left channel The following plots show some of the possible settings Fig 1 Low and high shelving filter Slope 6 and 12 Fig 2 HP and LP filter Slope 6 and 12 dB Oct dB Oct Gain 6 dB Q 0 7 Gain 0 dB Butterworth Char Tis 2 02 ost 0 5 Id ERF Fig 3 PEQ filter bell
15. gt Very comfortable setting options to align level and phase between subwoofers and satellites 3 One Way Full Range Operation Mode e High end digital EQ with multiple delay options and a sophisticated limiter concept in a single unit gt Equalization of non K H studio monitors and sound reinforcement systems gt Possibility to use the IIR EQ section and or the integrated FIR filters to realize filters with a linear run of the phase response 21 05 02 Pro C 28 Digital FIR Controller Extensive limiter concept Every output channel 4 outputs left channel and four outputs right channel features the following limiter structures which work independently from another Digital peak and RMS limiter in Iook ahead technology with digital modelling of the power amplifiers load behaviour gt Short attack time constant for safely prevention of power amplifier clipping gt So called Controlled Overshoot allows using the full peak power of the amplifier gt RMS limiter restricts the maximum continuous power to the power amp s max value Digital thermo and excursion limiter with modelling of voice coil temperature run and cone excursion gt Long attack time constant to match the heating of voice coil gt Prevention of thermal loudspeaker damage gt Prevention of too large cone excursion All limiter settings are included within the parameter setup and will be loaded automatically at system setup Comfortable
16. ic Parameter Setups e Parameter Setups for use with K H loudspeakers and amplifiers available gt Almost every combination possible gt Very comfortable adjustment of delay and level when using subwoofers gt Because of FIR filters nearly every desired frequency response possible e Room and positioning equalization can be achieved easily by using the included IIR EQs e Possibility to realize the room and positioning equalization within individual calculated FIR filter setups to maximize system performance 2 Studio controller with speaker specific parameter setups e To upgrade analogue K H studio monitors i e K H O 300 D e Speaker specific means The parameter setup will be calculated and optimized individually for each monitor delivered gt State of the art precision in loudspeaker equalization in a way which was never possible before gt Room and positioning equalization can either be done by using the IIR EQ section but for maximum system performance it should be realized within the FIR filter setup creation of room specific parameter setup necessary gt Simple connection between Pro C 28 and prepared K H monitors like the model O 300 D via a single multicore cable with dedicated multiple pin XLR terminals e Easy system enhancement with one or more additional subwoofers gt Subwoofers will be considered in the parameter setup so that amplitude and phase equalization is extended down to the lowest frequencies
17. oudspeakers gt Special digital FIR filtering to realize a completely independent equalization of system amplitude and phase FIR Finite Impulse Response gt Possibility to achieve a so called linear phase equalisation which results in a constant group delay over the whole frequency range of the system gt Additional IIR digital filter section included providing user definable equalization with real time adoption of changed parameters o Parametric EQ PEQ with 10 full parametric bands of equalization independently for each channel standard option o Room EQ to allow an easy system setup in case of problematic speaker positioning standard option gt Four separate digital limiters included in every single output channel o Peak limiter to avoid any distortion and loudspeaker damage by restricting the peak power of the power amplifier o RMS limiter to avoid any distortion and loudspeaker damage by restricting the continuous power of the power amplifier o Thermo limiter avoids any speaker damage caused by overheating of the voice coil o Excursion limiter avoids any speaker damage by preventing of too high cone excursion gt Compact 19 2U rackmount unit gt All important settings at system setup are done automatically by loading the stored parameter setup which is calculated individually for each studio monitor delivered together with the Pro C 28 gt All settings in the different menus of the Pro C 28 can be
18. remental Cursor Key Encoder A gt KIH PRO C 28 DIGITAL CONTROLLER O KLEIN HUMMEL SHIFT REMOTE LEFT LEFT l l l l l l l INPUT 30 24 18 12 6 0 6 12 18 24 LIMIT SUB BASS MID HIGH lt q o gt i l l l l l l l RIGHT RIGHT SYSTEM MAIN EQ POWER O LOCKED AD CLIP MIDI O i A i i LED Bars for indicating Limiter and VF Display Menu Select Keys Cursor Keys and the input level Status LED s with dedicated LED Incremental Encoder Type of built in Line Driving stages Analogue Signal Input Special 3 Way Analogue Outputs Groundlift Switch L R Analogue Outputs L R f to connect K H Monitors x el ep ur E E RS J Bee se ee ere gay pur ay ene oN L a a a PRoC 28 LIFT i KLEIN HUMMEL 24 BIT STEREO 4 WAY FIR CONTROLLER 2 TIMES 14 BAND PARAMTETRIC EQ KLEIN HUMMEL GmbH D 73760 Ostfildern MADE IN GERMANY CAUTION To prevent the risk of fire and shock hazard don t DIGITAL expose this appliance to moisture and rain Do not open ee O O IN OUT Refer to qualified service personnel for service Balanced RS 232 MIDI O Left SETUP MEMORY MODULE RESET C D O os O O O HIGH
19. stored in a system setup gt Possibility to maximize the system performance in a given installation by creating individual so called room specific FIR filter setups which are able to consider nearly every desired room equalization KLEIN HUMMEL GmbH KLEIN HUMMEL 21 05 02 Pro C 28 Digital FIR Controller DIGITAL CONTROLLER ELE INIA AUDE PRO Ee Tun Proc 28 i a arene DLE Wa FA COMOR ETE 3 TES TAO eT ETA EO ig r Tia xJ d a y L FE a EN a 4 CE gara s a Jal a haaa ns ce BAL KE a J Te E a r i i nr ele m Ee an bes nn 5004 BB MT Ws Gi Be in Gir ES ME LODO Sol Features State Of The Art Audio Technology and Performance e Symmetric analogue input stage with lowest noise figures and distortion e 2 stacked AD converters A 2 on each channel Gain Ranging technique provide an input dynamic range of more than 130 dB e Digital signal processing with 48 BIT precision e Latest generation DA converters A 2 e Smooth LP filtering after DA conversion guarantees a very musical and clear sound e High performance power supply provides double voltage regulation for each functional block e Wide connection possibilities for analogue and digital signals e Highest quality input transformer can be switched into the analogue inputs if desired standard option 21 05 02 Pro C 28 Digital FIR Controller Wide Range of Applications 1 PA Controller with Type Specif
20. u Phase response with linear phase equalization Digital FIR Controller KLEIN HUMMEL GmbH 12 Configuration of Pro C 28 0 300 D with additional subwoofer K H Type O 800 Overall transfer function of the whole system and the transfer functions of each way 21 05 02 Pro C 28 Digital FIR Controller Peak RMS Limiter Function DA gt AD Sig 50 0 50 100 50 100 150 200 250 ms Fig 1 A sine burst signal reproduced by an average power amplifier Output power decreases from maximum peak power to the maximum continuous power of the amp This degradation follows an amplifier tvoe dependant time constant and depends on the load condition of the amo s power suoolv E gt Attack Time Hold Time Release Time Fig 2 Reaction of the Pro C 28 internal peak limiter curve below when loaded with a sin burst signal curve above A controlled overshoot will be allowed according to the actual load condition of the power amplifier s supply which is digitally modelled by the Pro C 28 Additionally both hold time and release time are affected by this internal simulation 13 21 05 02 Pro C 28 Digital FIR Controller Connecting K H Monitors and Subwoofers Shown example K H Monitor Type O 300 D und K H Subwoofer Type O 800 Note that the O 300 D s internal analogue controller is deactivated in this mode Active Studio Monitor with internal Fe i
21. uring and filter calculating software 5 Transferring the new parameter setup to the Pro C 28 and resetting the PEQ A room equalization of a stereo setup takes about one day inclusive all music listening tests 18 21 05 02 Pro C 28 Digital FIR Controller Option B less priced than Option A System set up and measuring done by the customer calculation of the new parameter setup done by K H 1 2 ar 2 oe Customer sets up the system Measuring the system s frequency response along to the customer s method with adequate measuring equipment registering the unlinearities caused by the listening environment Correction of the unlinearities in the averaged plots using the internal PEQ filters Sending the PEQ Parameters via e Mail to K H K H creates the new parameter setup by using the information received The new parameter setup files will be sent to the customer CD Rom or via e mail Customer transfers the received files into his Pro C 28 Bypassing the PEQ section and loading the new room specific parameter setup 19 21 05 02 Pro C 28 Digital FIR Controller Optional IR Remote Control RC 55 Label shown m Deactivating the remote control Calling the room EQ a zu m EN _ zn u poro WS Mair Lowering the signal level TE gt Volume up down keys mm m l Incremental oo keys E m E 4 Keys for direct setup access KLEIN AUMMEL Enter ke
22. y to validate changed parameters up down left right keys to select parameters 20
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