Related Manuals for SoundCraft GB4
Summary of Contents for SoundCraft GB4
- Page 1 GB4 User Guide GB4 User GB4 User GB4 User GB4 User GB4 User Guide Guide Guide Guide Guide...
- Page 2 Soundcraft. Harman International Industries Limited Cranborne House Cranborne Road POTTERS BAR Hertfordshire EN6 3JN Tel: Fax: http://www.soundcraft.com IMPORTANT Please read this manual carefully before using your mixer for the first time. +44 (0)1707 665000 +44 (0)1707 660742 GB4 User Guide...
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Page 3: Table Of Contents
Audio Connector Pinouts Dimensions Block Diagrams Mono Input Stereo Input Talkback and Stereo Returns Group/Aux/Matrix Outputs Master Section Using The Console Mono Input Stereo Input Master Section Rear Connector Panel Specifications Mark-up Sheets GB4 User Guide Contents Contents Contents Contents Contents... - Page 4 This Class A digital apparatus meets the requirements of the Canadian Interference-Causing Equipment Regulations. Cet appareil numérique de la Classe A respecte toutes les exigences du Règlement sur le matériel brouilleur du Canada. GB4 User Guide...
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Page 5: Introduction
GB4 User Guide Intr Intr oduction oduction Intr oduction oduction Intr Intr oduction... -
Page 6: Key Features
Key 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. -
Page 7: Warranty
Warranty GB4 User Guide 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 Soundcraft or its accredited Distributor. - Page 8 GB4 User Guide...
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Page 9: Installation
Installa Installa SAFETY SYMBOL GUIDE For your own safety and to avoid invalidation of the warranty all text marked with these symbols should be read carefully. GB4 User Guide tion tion tion tion For your own safety and to avoid... -
Page 10: Important Safety Warnings
To avoid the risk of fire, replace the mains fuse only with the correct value fuse, The internal power supply unit contains no user serviceable parts. Refer all servicing to a qualified service engineer, through the appropriate Soundcraft THIS UNIT MUST BE EARTHED lead. as marked on the rear panel. dealer. GB4 User Guide... - Page 11 • No naked flame sources, such as lighted candles or cigarettes etc., should be placed on the • Warning: To reduce the risk of fire or electric shock, do not expose this apparatus to rain or GB4 User Guide through the appropriate Soundcraft dealer.
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Page 12: Mains Installation
However, check with your local electricity supply company to ensure that safety regulations are not infringed or negated. The successful, hum free, installation of a system requires forethought, and the establishment of a set of ground rules, which must be consistently adhered to at all stages of installation. GB4 User Guide... -
Page 13: Audio Wiring
0.01 mF capacitor. This will present a short circuit at RF frequencies, thus lowering the effective shield impedance to ground. However, at low audio frequencies the reactance of the capacitor will be sufficiently high not to cause an earth loop problem. GB4 User Guide... -
Page 14: Working Safely With Sound
Most importantly - don’t be afraid to experiment to find out how each parameter affects the sound - this will extend your creativity and help you to get the best results. SOUND LEVEL dBA SLOW RESPONSE GB4 User Guide... -
Page 15: Setting Up & Troubleshooting
Wor or or or orking king king king Condenser Mic N Condenser Mic N king Is the 48V turned on? Is the mic plugged into the Mic input? Is the mic cable a balanced 3-wire type? GB4 User Guide... -
Page 16: Optional External Power Supply
Is the Phones level set too high? Optional External Power Supply Although the GB4 has its own internal power supply, an external backup power supply (DPS-3) can be connected to provide a backup power supply. There is a dedicated connector on the rear connector panel. -
Page 17: Audio Connector Pinouts
Audio Connector Pinouts GB4 User Guide... -
Page 18: Dimensions
Dimensions GB4 User Guide... -
Page 19: Block Diagrams
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Page 20: Mono Input
Mono Input MUTES 1-4 PFL/EN MATRIX 1-4 GRP 1-4 RIGHT CENTRE LEFT AUX 5-8 PST AUX 5-8 PRE AUX 1-4 GB4 User Guide... -
Page 21: Stereo Input
Stereo Input MUTES 1-4 PFL/EN MATRIX 1-4 GRP 1-4 RIGHT CENTRE LEFT AUX 5-8 PST AUX 5-8 PRE AUX 1-4 GB4 User Guide... -
Page 22: Talkback And Stereo Returns
Talkback and Stereo Returns MUTES 1-4 PFL/EN MATRIX 1-4 GRP 1-4 RIGHT CENTRE LEFT AUX 5-8 PST AUX 5-8 PRE AUX 1-4 GB4 User Guide... -
Page 23: Group/Aux/Matrix Outputs
Group/Aux/Matrix Outputs GRP BUS 1,2,3,4 AUX BUS 1,2,3,4 AUX BUS PST 5,6,7,8 AUX BUS PRE 5,6,7,8 MATX BUS 1,2,3,4 GB4 User Guide GROUP/AUX/MATRIX OUTPUT INSERT 12 SEGMENT LED METER 0dBu CHASS PEAK SWAP GROUP READING FADER RECTIFIER 0dBu +10dB MASTER... -
Page 24: Master Section
MTX1 MTX2 MTX3 MTX4 CHASS MIX R MTX1 MTX2 MTX3 MTX4 CHASS C/ROOM C/RM_L LEVEL +5dB 0dBu CHASS C/RM_R +5dB 0dBu CHASS H/PHONES H/PHONES +20dB LEVEL CHASS +20dB MIX C MTX1 MTX2 MTX3 MTX4 CHASS PFLMTR C_OUT GB4 User Guide... -
Page 25: Using The Console
Using Using T T T T T he Console Using Using Using GB4 User Guide he Console he Console he Console he Console... -
Page 26: Mono Input
A 4-segment LED bargraph meter (14), next to the fader, meters the signal post-EQ, pre-mute, AUX8 POST pre-fade. The meter has a peak type response. The PFL switch (15) feeds the pre-mute, pre-fade signal to the monitor output and phones output. An adjacent LED indicates when the PFL is on. MUTE GB4 User Guide... -
Page 27: Rear Connectors
LINE MIC INPUT (3 pin female XLR) DIRECT OUTPUT (1/4" TRS Jack)“ The DIRECT OUTPUT is normally post fader. Pressing the PRE button switches it to pre-EQ, pre-mute, pre-fader. GB4 User Guide Return Signal Ring Send Signal Sleeve Ground Signal Hot... -
Page 28: Stereo Input
The meter has a peak type response. The PFL switch (15) feeds a mono sum of the pre-mute, pre-fade signal to the monitor output MUTE and phones output. An adjacent LED indicates when the PFL is on. STE1 GB4 User Guide... - Page 29 STE1 MIC INPUT LEFT and RIGHT (3 pin female XLR) LINE LINE INPUT LEFT and RIGHT (1/4" TRS Jacks) MIC L MIC R GB4 User Guide Pin 1 Ground Pin 2 Signal Hot Pin 3 Signal Cold Signal Hot“ Ring Signal Cold“...
- Page 30 SOURCE GRP1 GRP2 GRP3 GRP4 (AUX1) (AUX2) (AUX3) (AUX4) LEFT RIGHT CENTRE (PFL / AFL) RIGHT TALKBACK LEVEL STEREO RETURN 1 GRPS STEREO RETURN 2 PFL / AFL MUTES C/ROOM H/PHONES L R TO CENTRE RIGHT CENTRE GB4 User Guide...
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Page 31: Master Section
MATRIX MASTERS Each MTX MASTER level pot (14) controls the level fed from its own matrix bus to its matrix output. The AFL button (15) feeds the matrix master post-fader signal to the monitor output and phones output. GB4 User Guide... - Page 32 • the MONITOR SOURCE select switches L-R (18) and C (19). • the 2-track input (25), its volume is controlled by the 2-TRK LEVEL control (26), • the centre mix, C (19), and • the main mix, L-R (18). GB4 User Guide...
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Page 33: Stereo Returns
These LEDS (39) confirm the presence of the correct voltage on the +8V and the +/-17V power rails in the console. Rear Connector Panel 2 TRK IN T/B MIC (3-pin female XLR) MIX L, R & C OUTPUTS (3-pin male XLRs) GB4 User Guide T/B MIC MIX C MNTR REC/ALT MTX4... - Page 34 Sleeve Chassis Tip Signal Ring Gnd Sleeve Chassis Tip Signal Ring Gnd Sleeve Chassis JACK Tip Signal Ring Gnd Sleeve Chassis PHONO Centre Signal Screen Chassis Centre Signal Screen Chassis Tip Signal Hot Ring Signal Cold Sleeve Chassis GB4 User Guide...
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Page 35: Specifications
Headphone Power Input & Output Impedances Mic Inputs Line Inputs and Stereo Returns Input channels Insert Return Mix, Group, Aux, Matrix & Direct outputs Insert sends Recommended Headphone Impedance GB4 User Guide TIONS TIONS TIONS TIONS -128dBu <-82dBu <-83dBu <-80dBu <-89dBu... - Page 36 GB4 User Guide...
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Page 37: Mark-Up Sheets
Mar k-up Sheets GB4 User Guide k-up Sheets k-up Sheets k-up Sheets k-up Sheets... - Page 38 AUX1 AUX2 AUX2 AUX2 AUX3 AUX3 AUX3 AUX4 AUX4 AUX4 AUX5 AUX5 AUX5 POST POST POST AUX6 AUX6 AUX6 POST POST POST AUX7 AUX7 AUX7 POST POST POST AUX8 AUX8 AUX8 POST POST POST MUTE MUTE MUTE GB4 User Guide...
- Page 39 POST AUX6 AUX6 POST POST AUX7 AUX7 POST POST AUX8 AUX8 POST POST MUTE MUTE STE1 STE2 GB4 User Guide LAMP PUSH GRP1 GRP2 GRP3 GRP4 LEFT (AUX1) (AUX2) (AUX3) (AUX4) LEFT MTX1 MASTER MTX2 MASTER MTX3 MASTER MTX4 MASTER...
- Page 40 GB4 User Guide...
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