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Summary of Contents for SoundCraft GB8
- Page 1 User Guide GB8 User Guide...
- Page 2 Soundcraft shall not be liable for any loss or damage whatsoever arising from the use of information or any error contained in this manual.
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Page 3: Table Of Contents
Contents Introduction Key Features Warranty Installation SAFETY SYMBOL GUIDE Fitting the GB8 Meterbridge IMPORTANT SAFETY WARNINGS Mains Installation WORKING SAFELY WITH SOUND Setting Up & Troubleshooting Optional External Power Supply Audio Connector Pinouts Dimensions Block Diagrams Using The Console Mono Input... - 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. GB8 User Guide...
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Page 5: Introduction
Introduction GB8 User Guide... -
Page 6: Key Features
Key Features Thank you for buying the GB8 mixing console. its main features are: Dual purpose console. Individually switched 48V phantom power on every mono input module. 4 STE channels per frame size. 8 Aux sends (all switchable between pre/post fader operation). -
Page 7: Warranty
Equipment has been properly installed in accordance with instructions contained in Soundcraft's manual; and b) the End User has notified Soundcraft or the Dealer within 14 days of the defect appearing; and c) no persons other than authorised representatives of Soundcraft or the Dealer have effected any replacement of parts maintenance adjustments or repairs to the Equipment;... - Page 8 GB8 User Guide...
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Page 9: Installation
(servicing) instructions in the literature accompanying the appliance. NOTES Contain important information and useful tips on the operation of your equipment. HEADPHONES SAFETY WARNING Contain important information and useful tips on headphone outputs and monitoring levels. GB8 User Guide... -
Page 10: Fitting The Gb8 Meterbridge
Position the meter bridge as shown in Fig. 1 below. This will allow you to connect the meter bridge's ribbon cable to the matching connector in the GB8. The ribbon cable may have been tucked up into the meter bridge for shipping; if it has, gently extend the cable to its full length below the meter bridge before attempting to connect it. -
Page 11: Important Safety Warnings
To avoid the risk of fire, replace the mains fuse only with the correct value fuse, as marked on the rear panel. The internal power supply unit contains no user serviceable parts. Refer all servicing to a qualified service engineer, through the appropriate Soundcraft dealer. GB8 User Guide... - Page 12 • It is recommended that all maintenance and service on the product should be carried out by Soundcraft or its authorised agents. Soundcraft cannot accept any liability whatsoever for any loss or damage caused by service, maintenance or repair by unauthorised personnel.
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Page 13: Mains Installation
General Wiring Procedures To take full advantage of the excellent signal to noise ratio and low distortion of Soundcraft consoles, care must be taken to ensure that incorrect installation and wiring does not degrade the performance of the desk. Hum, buzz, instability and Radio Frequency interference can usually be traced to earth loops and inferior earthing systems. -
Page 14: Initial Wiring Considerations
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. GB8 User Guide... -
Page 15: 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. Recommended Headphone Impedance 200-600 ohms. GB8 User Guide... -
Page 16: Setting Up & Troubleshooting
Is the mains supply present? Is the mains lead firmly connected? Check the mains fusing If only one of the power indicators is illuminated, consult your Soundcraft dealer Condenser Mic Not Working Is the 48V turned on? Is the mic plugged into the Mic input? -
Page 17: Optional External Power Supply
Is the Phones level set too high? Optional External Power Supply Although the GB8 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 18: Audio Connector Pinouts
Audio Connector Pinouts GB8 User Guide... -
Page 19: Dimensions
Dimensions GB8 User Guide... - Page 20 GB8 User Guide...
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Page 21: Block Diagrams
Block Diagram GB8 User Guide... - Page 22 GB8 User Guide GB8 User Guide...
- Page 23 GB8 User Guide GB8 User Guide...
- Page 24 GB8 User Guide...
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Page 25: Using The Console
Using The Console GB8 User Guide... -
Page 26: Mono Input
A 4-segment LED bargraph meter (14), next to the fader, meters the signal post-EQ, pre-mute, 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. GB8 User Guide... - Page 27 Pin 1 Ground Pin 2 Signal Hot Pin 3 Signal Cold DIRECT OUTPUT (1/4" TRS Jack)“ Signal Hot Ring Signal Cold Sleeve Chassis The DIRECT OUTPUT is normally post fader. Pressing the PRE button switches it to pre-Insert Point. GB8 User Guide...
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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 and phones output. An adjacent LED indicates when the PFL is on. GB8 User Guide... - Page 29 MIC INPUT LEFT and RIGHT (3 pin female XLR) Pin 1 Ground Pin 2 Signal Hot Pin 3 Signal Cold LINE LINE INPUT LEFT and RIGHT (1/4" TRS Jacks) Signal Hot“ Ring Signal Cold“ Sleeve Ground“ MIC L MIC R GB8 User Guide...
- Page 30 GB8 User Guide...
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Page 31: Master Section
R main buses, or to pairs of groups, ie Stereo Return 1 routes to Groups 1 (Left signal) and 2 (Right signal), Stereo Return 2 routes to Groups 3 & 4, etc. This routing is done via the routing switches (15). GB8 User Guide... - Page 32 This signal replaces the normal monitor signal. The PFL/AFL LED (36) illuminates when this is happening. Note: the 2-track input may also be routed directly to the main L-R mix via the 2 TRK TO MIX switch (37). GB8 User Guide...
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Page 33: Rear Connector Panel
Rear Connector Panel T/B MIC (3-pin female XLR) Pin 1 Ground Pin 2 Signal Hot Pin 3 Signal Cold MIX L, R & C OUTPUTS (3-pin male XLRs) Pin 1 Chassis Pin 2 Signal Hot Pin 3 Signal Cold GB8 User Guide... - Page 34 JACK Signal Hot Ring Signal Cold Sleeve Chassis PHONO Centre Signal Screen Chassis 2-TRACK INPUTS (RCA Phono) Centre Signal Screen Chassis STEREO RETURN 1 - 4 INPUTS (1/4” TRS Jacks) Signal Hot Ring Signal Cold Sleeve Chassis GB8 User Guide...
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Page 35: Typical Specifications
Headphone Power 2x250mW into 200Ω Input & Output Impedances Mic Inputs 2kΩ Line Inputs and Stereo Returns 10kΩ Mix, Group, Aux, Matrix & Direct outputs 150Ω Insert Sends 75Ω Insert Returns 5kΩ Recommended Headphone Impedance 200 - 600Ω GB8 User Guide... - Page 36 GB8 User Guide...
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Page 37: Mark-Up Sheets
Mark-up Sheets GB8 User Guide... - Page 38 GB8 User Guide...
- Page 39 GB8 User Guide...
- Page 40 GB8 User Guide...
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Questions and answers
please i need the squematics of the internal power supply of the soundcraft gb 8 please mine blew also if I use the external power supply will it bypass the internal broken one and making the mixer work?
The internal power supply schematics for the SoundCraft GB8 are not provided in the available information. However, the GB8 does have its own internal power supply and includes a dedicated connector for an optional external backup power supply (DPS-3). The external power supply acts as a backup and does not automatically bypass a broken internal power supply.
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