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GB4 User GB4 User
GB4 User GB4 User GB4 User
Guide Guide
Guide Guide Guide
GB4 User Guide 1
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IMPORTANT Please read this manual carefully before using your mixer for the first time. © Harman International Industries Ltd. 2004, 2005 All rights reserved Parts of the design of this product may be protected by worldwide patents. Part No. ZM0302-02 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 commitment on the part of the vendor. Soundcraft shall not be liable for any loss or da
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Contents Contents Contents Contents Contents Introduction 5 Key Features 6 Warranty 7 Installation 9 SAFETY SYMBOL GUIDE 9 IMPORTANT SAFETY WARNINGS 10 Mains Installation 12 WORKING SAFELY WITH SOUND 14 Setting Up & Troubleshooting 14 Optional External Power Supply 16 Audio Connector Pinouts 17 Dimensions 18 Block Diagrams 19 Mono Input 20 Stereo Input 21 Talkback and Stereo Returns 22 Group/Aux/Matrix Outputs 23 Master Section 24 Using The Console 25 Mono Input 26 Stereo Input 28 Master Section
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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 radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of
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Intr Introduction oduction Intr Intr Introduction oduction oduction GB4 User Guide 5
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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. New GB30 mic pre-amp. 4-band GB30 EQ. Integral power supply, with an external power supply link option. All metal TRS jacks and Neutrik XLRs. Direct outputs on all mono input channels. 6 GB4 User Guide
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Warranty 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 Soundcraft or its accredited Distributor. Equipment means the equipment supplied with this manual. 2 If within the period of twelve months from the date of delivery of the Equip
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8 GB4 User Guide
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Installa Installa Installation tion tion Installa Installation tion For your own safety and to avoid invalidation 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. WARNINGS The lightning flash with arr The lightning flash with arr The lightning flash with arr The lightning flash with arr The lightning flash with arrowhead symbol, is owhead symbol, is ow
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IMPORTANT SAFETY WARNINGS THIS UNIT MUST BE EARTHED Under no circumstances should the mains earth be disconnected from the mains lead. The wires in the mains lead are coloured in accordance with the following code: Earth: Green and Yellow (Green/Yellow - US) Neutral: Blue (White - US) Live: Brown (Black - US) As the colours of the wires in the mains lead may not correspond with the coloured markings identifying the terminals in your plug, proceed as follows: The wire which is coloured Gree
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WARNINGS • 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 install near any heat sources such as radiators, heat resistors, stoves, or other apparatus (including amplifiers) that produce heat. • Do not block any ventilation openings. Ventilation shou
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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 electromagnetic radiation (e.g. video monitors, high-power electric cabling): this may cause degradation of the audio quality due to induced voltages in connecting leads and chassis.
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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 point. It is common electrical practice to `daisy chain' the earths to all electrical outlets but this method is unsuitable for audio installations. The preferred method is to run an individual earth wire from each o
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Points 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 returns to the system star point. Equipment which has balanced inputs and outputs may need to be electrically isolated from the equipment rack and/or other equipment, to a
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Setting Up & Troubleshooting 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.) to the required inputs and release the MUTE switches. Note: Phantom powered mics should be connected before the 48V is switched on. Set Master faders at 0, input faders at
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Me Me Me Me Met t t t ter er er er ers no s no s no s no s not sho t sho t sho t sho t showing an wing an wing an wing an wing any 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 something connecetd on the Inserts, and is that external device switched on? Are the Master faders set at max., are input faders set high enough and is the channel routed to the out
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Audio Connector Pinouts GB4 User Guide 17
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Dimensions 18 GB4 User Guide
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Bloc Bloc Block Dia k Dia k Diag g gr r rams ams ams Bloc Block Dia k Diag gr rams ams GB4 User Guide 19
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Mono Input 20 GB4 User Guide
