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Harman-Kardon GB4 - page 1
1 GB4 User Guide GB4 User GB4 User GB4 User GB4 User GB4 User Guide Guide Guide Guide Guide ...
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Harman-Kardon GB4 - page 2
2 GB4 User Guide © Harman International Industries Ltd. 2004 All rights reserved Parts of the design of this product may be protected by worldwide patents. Part No. ZM0302-01 Issue: 1.1 Soundcraft is a trading division of Harman International Industries Ltd. Information in this manual is subject to change without notice and does not represent a co ...
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Harman-Kardon GB4 - page 3
3 GB4 User Guide Contents Contents Contents Contents Contents Introduction 5 K ey F eatures 6 W arranty 7 Installation 9 SAFETY SYMBOL GUIDE 9 IMPORT ANT SAFETY W ARNINGS 10 Mains Installation 12 WORKING SAFEL Y WITH SOUND 14 Setting Up & T roub leshooting 14 Optional Exter nal P o wer Supply 16 Audio Connector Pinouts 17 Dimensions 18 Bloc k D ...
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Harman-Kardon GB4 - page 4
4 GB4 User Guide NOTE: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipmentis operated in a commercial environment. This equipment generates, uses and can radiat ...
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Harman-Kardon GB4 - page 5
5 GB4 User Guide Intr Intr Intr Intr Intr oduction oduction oduction oduction oduction ...
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Harman-Kardon GB4 - page 6
6 GB4 User Guide K ey Features Thank you for buying the GB4 mixing console. its main features are: Individually switched 48V phantom power on every mono input module. 8 Aux sends. 4 Group sends (paired). 4 Mute Groups. 7+4 Output Matrix. Limiter on record output. New GB30 mic pre-amp. 4-band GB30 EQ. Integral power supply , with an external power s ...
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Harman-Kardon GB4 - page 7
7 GB4 User Guide W arranty 1 Soundcraft is a trading division of Harman International Industries Ltd. End User means the person who first puts the equipment into regular operation. Dealer means the person other than Soundcraft (if any) from whom the End User purchased the Equipment, provided such a person is authorised for this purpose by Soundcraf ...
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Harman-Kardon GB4 - page 8
8 GB4 User Guide ...
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Harman-Kardon GB4 - page 9
9 GB4 User Guide Installa Installa Installa Installa Installa tion tion tion tion tion For your o wn safety and to av oid in v alidation of the warranty please read this section carefully . SAFETY SYMBOL GUIDE For your own safety and to avoid invalidation of the warranty all text marked with these symbols should be read carefully . W ARNINGS The li ...
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Harman-Kardon GB4 - page 10
10 GB4 User Guide IMPOR T ANT SAFETY W ARNINGS THIS UNIT MUST BE EARTHED Under no cir cumstances should the mains ear th be disconnected fr om the mains lead. The wires in the mains lead are coloured in accordance with the following code: Earth: Green and Y ellow (Green/Y ellow - US) Neutral: Blue (White - US) Live: Brown (Black - US) As the colour ...
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Harman-Kardon GB4 - page 11
11 GB4 User Guide W ARNINGS • Read these instructions. • Keep these instructions. • Heed all warnings. • Follow all instructions. • This unit contains no user serviceable parts. Refer all servicing to a qualified service engineer , through the appropriate Soundcraft dealer . • Clean the apparatus only with a dry cloth. • Do not instal ...
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Harman-Kardon GB4 - page 12
12 GB4 User Guide General Precautions Avoid storing or using the mixing console in conditions of excessive heat or cold, or in positions where it is likely to be subject to vibration, dust or moisture. Do not use any liquids to clean the fascia of the unit: a soft dry cloth is ideal. Avoid using the console close to strong sources of electromagneti ...
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Harman-Kardon GB4 - page 13
13 GB4 User Guide Initial Wiring Considerations For optimum performance, it is essential for the earthing system to be clean and noise free, as all signals are referenced to this earth. A central point should be decided on for the main earth point system, and all earths should be 'star fed' from this poin t. It is common electrical practi ...
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Harman-Kardon GB4 - page 14
14 GB4 User Guide P oints to Remember In all cases, use good quality twin screened audio cable. Check for instability at the output. Always connect both conductors at both ends, and ensure that the screen is only connected at one end. Do not disconnect the mains earth from each piece of equipment. This is needed to provide both safety and screen re ...
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Harman-Kardon GB4 - page 15
15 GB4 User Guide Setting Up & T roubleshooting Initial set-up Once you have connected up your system (see the sections on connection and wiring earlier in this manual for guidance) you are ready to set initial positions for the controls on your mixer . Set up individual input channel as follows: Connect your sources (microphone, keyboard etc.) ...
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Harman-Kardon GB4 - page 16
16 GB4 User Guide Me Me Me Me Me t t t t t er er er er er s no s no s no s no s no t sho t sho t sho t sho t sho wing an wing an wing an wing an wing an y signal y signal y signal y signal y signal Has the input gain been set correctly? (see above.) Is the source connected to the appropriate input socket for the level of signal? Do you have somethi ...
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Harman-Kardon GB4 - page 17
17 GB4 User Guide A udio Connector Pinouts ...
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Harman-Kardon GB4 - page 18
18 GB4 User Guide Dimensions ...
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Harman-Kardon GB4 - page 19
19 GB4 User Guide Bloc Bloc Bloc Bloc Bloc k Dia k Dia k Dia k Dia k Dia g g g g g r r r r r ams ams ams ams ams ...
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Harman-Kardon GB4 - page 20
20 GB4 User Guide Mono Input CHASS CHASS GND 2 3 1 CHASS +48v 10dB 60dB +15dB -15dB -15dB +15dB 13k 550 -15dB +15dB 1k9 80 -15dB +15dB HF HMID LMID LF PEAK DETECT EQ +16 +8 0 -10 AUX1 AUX2 AUX4 AUX3 AUX5_PST AUX5_PRE AUX6_PRE MIC 0dBu 0dBu GAIN +48 PEAK READING RECTIFIER CHASS GND LINE INSERT DIRECT MUTE AUX6_PST AUX7_PRE AUX7_PST AUX8_PRE AUX8_PST ...
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Harman-Kardon GB4 - page 21
21 GB4 User Guide Stereo Input 2 3 1 CHASS CHASS CHASS CHASS +48v LINE MIC +48 0dBu GAIN 10dB 60dB PUSH 2 3 1 LINE MIC 0dBu DETECT PEAK HMID -15dB +15dB HF -15dB -15dB LF +15dB +15dB LMID EQ 0dBu HF LMID HMID LF 0dBu LR MONO -15dB +15dB AUX8_PST AUX8_PRE AUX7_PST AUX7_PRE AUX6_PRE AUX6_PST AUX5_PST AUX5_PRE AUX4 AUX2 AUX3 AUX1 PEAK RECTIFIER READIN ...
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Harman-Kardon GB4 - page 22
22 GB4 User Guide T alkback and Stereo Returns CHASS CHASS CHASS CHASS CHASS GROUPS AUX 1-2 AUX 3-4 AUX 5-6 AUX 7-8 PUSH 2 3 1 T ALKBACK LEVEL TB MIC STE RET 1 L R RET 1 LEVEL GRP1 BUS GRP2 BUS L MIX BUS R MIX BUS 1-2 L-R R STE RET 2 L R MIX BUS GRP4 BUS LEVEL RET 2 L MIX BUS GRP3 BUS L-R 3-4 OFF +38dB 0dBu 0dBu 8dB GAIN AT TO P T ALKBACK STEREO RE ...
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Harman-Kardon GB4 - page 23
23 GB4 User Guide Group/A ux/Matrix Outputs CHASS GND GND CHASS CHASS CHASS GND AFL 12 SEGMENT LED METER AFL C R L CHASS 3 12 GRP 1,2,3,4 AUX 1,2,3,4 MTX1 MTX2 MTX3 MTX4 GRP PA N AUX MASTER GROUP FADER SWAP INSERT PEAK RECTIFIER READING GRP BUS 1,2,3,4 AUX BUS 1,2,3,4 AFL MASTER AUX PRE AUX BUS PST 5,6,7,8 PRE 5,6,7,8 AUX BUS AUX 5,6,7,8 AFL MASTER ...
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Harman-Kardon GB4 - page 24
24 GB4 User Guide CHASS GND CHASS GND GND GND GND C_OUT C MIX BUS INSERT FADER CM I X 3 12 MIX C MTX1 MTX2 MTX3 MTX4 M1 M2 M3 M4 READING RECTIFIER PEAK 12 SEGMENT LED METER PFLMTR C_OUT PFL EN 0dBu +10dB 0dBu 0dBu MASTER CENTRE CHASS CHASS GND GND CHASS CHASS GND CHASS L MIX BUS R_OUT R MIX BUS INSERT RM I X FADER MIX R 3 12 R_MONSEL L_MONSEL PFL B ...
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Harman-Kardon GB4 - page 25
25 GB4 User Guide Using Using Using Using Using T T T T T he Console he Console he Console he Console he Console ...
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Harman-Kardon GB4 - page 26
26 GB4 User Guide Mono Input MIC GAIN (1) adjusts the sensitivity of both mic (XLR) and Line (1/4” jack) inputs. Both inputs are electronically balanced, and are located on the rear connector panel. The PEAK LED (2), monitors two points in the audio path: pre-insert point and post-EQ. The 48V switch (3) applies 48V phantom power to the input XLR. ...
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Harman-Kardon GB4 - page 27
27 GB4 User Guide Rear Connectors INSERT (1/4" TRS Jack) Tip Return Signal Ring Send Signal Sleeve Ground LINE INPUT (1/4" TRS Jack) Tip Signal Hot Ring Signal Cold Sleeve Ground MIC INPUT (3 pin female XLR) Pin 1 Ground Pin 2 Signal Hot Pin 3 Signal Cold DIRECT OUTPUT (1/4" TRS Jack)“ Tip Signal Hot Ring Ground Sleeve Chassis The ...
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Harman-Kardon GB4 - page 28
28 GB4 User Guide Stereo Input STE MIC GAIN (1) adjusts the sensitivity of both pairs of Mic (XLRs) or Line (1/4" jacks) inputs. Both pairs are electronically balanced, and are located on the rear connector panel. The PEAK LED (2), monitors both left and right signals after the gain control. The 48V switch (3) applies 48V phantom power to the ...
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Harman-Kardon GB4 - page 29
29 GB4 User Guide Rear Connectors MIC INPUT LEFT and RIGHT (3 pin female XLR) Pin 1 Ground Pin 2 Signal Hot Pin 3 Signal Cold LINE INPUT LEFT and RIGHT (1/4" TRS Jacks) Tip Signal Hot“ Ring Signal Cold“ Sleeve Ground“ MIC L MIC R L R LINE STE1 ...
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Harman-Kardon GB4 - page 30
30 GB4 User Guide (AUX1) (AUX2) (AUX3) (AUX4) GB 4 10 0 9 8 7 6 5 4 3 1 18 15 12 9 6 3 3 6 10 15 20 0 + + + + + + - - - - - 18 15 12 9 6 3 3 6 10 15 20 0 + + + + + + - - - - - 18 15 12 9 6 3 3 6 10 15 20 0 + + + + + + - - - - - 18 15 12 9 6 3 3 6 10 15 20 0 + + + + + + - - - - - 18 15 12 9 6 3 3 6 10 15 20 0 + + + + + + - - - - - 18 15 12 9 6 3 3 6 ...
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Harman-Kardon GB4 - page 31
31 GB4 User Guide Master Section GROUPS Note that the group controls are swappable with the aux 1-4 controls by pressing the GRP/AUX SWAP switches (1). If the contols are swapped the aux and group faders swap function (and their respective AFL buttons) and the group insert point becomes an aux insert point. The 12- segment meter swaps function.The ...
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Harman-Kardon GB4 - page 32
32 GB4 User Guide L, R & C Outputs Each of the 3 main mix busses, Left, Right and Centre, has its own insert point. These are located on the rear connector panel. Each mix bus has its own Fader (16) following the insert point in the signal path. The post-fader signal for each bus is then routed to the following places: • its main output XLR o ...
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Harman-Kardon GB4 - page 33
33 GB4 User Guide T alkback The talkback mic input is on the rear connector panel. The level of the talkback mic signal is controlled by the LEVEL pot (35). The signal is the fed to all groups, aux 1-2, aux 3-4, aux 5-6 and aux 7-8 using the appropriate buttons (36). Stereo Returns There are two stereo return channels. The connectors are 1/4” jac ...
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Harman-Kardon GB4 - page 34
34 GB4 User Guide MIX L, R & C INSERT POINTS (1/4” TRS Jacks) Tip Return Signal Ring Send Signal Sleeve Chassis L & R MONITOR OUTPUTS (1/4” TRS Jacks) Tip Signal Ring Gnd Sleeve Chassis GROUP 1-4 OUTPUTS (3-pin male XLRs) Pin 1 Chassis Pin 2 Signal Hot Pin 3 Gnd GROUP 1-4 INSERT POINTS (1/4” TRS Jacks) Tip Return Ring Send Sleeve Chas ...
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Harman-Kardon GB4 - page 35
35 GB4 User Guide TYPICAL SPECIFICA TYPICAL SPECIFICA TYPICAL SPECIFICA TYPICAL SPECIFICA TYPICAL SPECIFICA TIONS TIONS TIONS TIONS TIONS Noise Measured RMS, 22Hz to 22kHz Bandwidth Mic E.I.N. @ unity gain,150 Ω source impedance -128dBu Mix Output, 40 inputs routed to mix <-82dBu Group Outputs <-83dBu Aux Outputs <-80dBu Matrix Outputs & ...
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Harman-Kardon GB4 - page 36
36 GB4 User Guide ...
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Harman-Kardon GB4 - page 37
37 GB4 User Guide Mar Mar Mar Mar Mar k-up Sheets k-up Sheets k-up Sheets k-up Sheets k-up Sheets ...
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Harman-Kardon GB4 - page 38
38 GB4 User Guide EQ EQ HI MID HF LO MID LF 15 12 9 6 3 3 6 9 12 15 - + 0 15 12 9 6 3 3 6 9 12 15 - + 0 550 13k 3k 80 1.9k 450 15 12 9 6 3 3 6 9 12 15 - + 0 15 12 9 6 3 3 6 9 12 15 - + 0 60dB 30 5 100Hz GAIN MIC 48V PK LINE -20 = 10 5 0 5 10 15 20 30 +16 +8 0 -10 M 1 M 2 M 3 M 4 C 1 2 L R 3 4 PFL 6 0 + 6 0 + 6 0 + 6 0 + 6 0 + 6 0 + 6 0 + 6 0 + AUX1 ...
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Harman-Kardon GB4 - page 39
39 GB4 User Guide 60dB 30 5 GAIN MIC STE 48V PK LINE -20 = HF HM LM LF 15 12 9 6 3 3 6 9 12 15 - + 0 15 12 9 6 3 3 6 9 12 15 - + 0 15 12 9 6 3 3 6 9 12 15 - + 0 15 12 9 6 3 3 6 9 12 15 - + 0 EQ 10 5 0 5 10 15 20 30 +16 +8 0 -10 M 1 M 2 M 3 M 4 C 1 2 L R 3 4 PFL L R MONO L 6 0 + 6 0 + 6 0 + 6 0 + 6 0 + 6 0 + 6 0 + 6 0 + AUX1 AUX2 AUX3 AUX4 AUX5 AUX6 ...
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Harman-Kardon GB4 - page 40
40 GB4 User Guide ...
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