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GB8 Tech Data.pmd
Technical Technical Data Data Contents Introduction Modules Mono Input Stereo Input Master Section Block Diagram Specifications 1 2 2 2 3 4/5 6 Intr oduction Introduction • Dual purpose console. • 16, 24, 32, 40 and 48 channel frame sizes • Individually switched 48V phantom power on every mono input module. • Limiter on Record Output and Alternative Stereo Output. • GB30 mic pre-amp. • 4-band GB30 EQ. • 4 Full-feature Stereo channels. • 1kHz oscillator • 8 Aux sends (all switchable between pre/post fader operation). • Meter Bridge with accurate VU meters for LEFT, RIGHT and CENTRE Outputs. • 8 Group sends (SWAP with all 8 Auxes). • Integral power supply, with an external power supply link option. • 4 Stereo returns. • 4 Mute Groups. • 11x4 Output Matrix. © Copyright Soundcraft E & OE 01/05 • All metal TRS jacks and Neutrik XLRs. • Direct outputs on all mono input channels. Issue 1 01/05 ZL0628 (Std) ZL0629 (US) Page 1 Technical Data GB8 Modules Mono Input © Copyright Soundcraft E & OE 01/05 Page 2 Stereo Input Issue 1 01/05 ZL0628 (Std) ZL0629 (US) Technical Data GB8 Modules Master Section © Copyright Soundcraft E & OE 01/05 Issue 1 01/05 ZL0628 (Std) ZL0629 (US) Page 3 GRP 1-8 MATRIX 1-4 PFL/EN MUTES 1-4 10dB HF 3 HMID LMID LF MUTE 0dBu AUX2_PRE EQ 13k 1k9 AUX2_PST CHASS 550 LINE GRP 1-8 0dBu +48v 1 MATRIX 1-4 AUX1_PST +48 PUSH 2 AUX1_PRE PEAK DETECT +16dBu GAIN 60dB MIC PFL/EN Bloc k Block Diagram AUX 1-8 PRE AUX 1-8 PST LEFT CENTRE RIGHT Technical Data Technical Data LINE= -20dB 80 +15dB +15dB +15dB +15dB -15dB -15dB -15dB -15dB SIMILAR FOR AUX 3 TO 8 CHASS INSERT 0dBu MUTE FADER 0dBu +10dB CHASS L-R PAN PRE DIRECT MUTE M1 GND CHASS 1-2 5-6 3-4 7-8 L M2 M3 -3dB CENTRE DROP M4 R GND +16 PEAK READING RECTIFIER +8 0 -10 C PFL MONO INPUT GAIN 60dB MIC AUX1_PRE +48 PUSH 2 0dBu 10dB +48v 1 HMID HF 3 LMID LF AUX1_PST 0dBu EQ AUX2_PRE CHASS LINE L AUX2_PST R PEAK DETECT +15dB +15dB +15dB +15dB -15dB -15dB -15dB -15dB MONO SIMILAR FOR AUX 3 TO 8 CHASS MIC 0dBu PUSH 2 HF 1 HMID LMID LF 3 0dBu CHASS LINE 0dBu CHASS PFL +16 PEAK READING RECTIFIER +8 +3dB 0 -10 MUTE BLOCK WITH MUTE SW & GROUP MUTE SWITCHES AS ON MONO INPUT +13dB BAL L-R FDR +3dB +13dB 1-2 5-6 3-4 7-8 C STEREO INPUT TB MIC GROUPS PUSH 2 AUX 1-2 AUX 3-4 AUX 5-6 AUX 7-8 OSC 1 TB/OSC LEVEL 3 +20dB +20dB CHASS T/B AND OSCILLATOR ON CENTRE MASTER 1kHz OSC GND L MIX BUS INSERT 1 ON LEFT HAND MASTER PCB L_OUT L MIX FADER 0dBu CHASS +10dB MTX1 MTX2 MTX3 MTX4 2 MIX L 3 CHASS GND 0dBu R MIX BUS INSERT 1 ON RIGHT HAND MASTER PCB R_OUT R MIX FADER 0dBu CHASS +10dB MTX1 MTX2 MTX3 MTX4 2 MIX R 3 CHASS GND 0dBu C MIX BUS INSERT 1 © Copyright Soundcraft E & OE 01/05 © Copyright Soundcraft Page 4 E & OE 09/04 Page 4 CHASS +10dB 0dBu MTX2 MTX3 MTX4 2 3 MIX C CHASS GND Issue 1 01/05 ZL0628 (Std) ZL0629 (US) Issue 1 11/04 ZL0628 (Std) ZL0629 (US) MUTES 1-4 0dBu MTX1 AUX 5-8 PRE AUX 5-8 PST C_OUT C MIX FADER LEFT CENTRE RIGHT ON CENTRE MASTER PCB Technical Data Technical Data © Copyright Soundcraft E & OE 01/05 © Copyright Soundcraft E & OE 09/04 Issue 1 01/05 ZL0628 (Std) ZL0629 (US) Issue 1Page 11/04 5 ZL0628 (Std) ZL0629 (US) Page 5 Technical Data Specifications Noise: Measured RMS, 22Hz to 22kHz Bandwidth Mic E.I.N. @ unity gain,150W source impedance ...................................................................................................................... -128dBu Mix Output, 40 inputs routed to mix ......................................................................................................................................... <-82dBu Group Outputs ......................................................................................................................................................................... <-83dBu Aux Outputs ............................................................................................................................................................................. <-80dBu Matrix Outputs ......................................................................................................................................................................... <-89dBu Crosstalk (@1kHz, typical) Input Channel Mute ................................................................................................................................................................... <-97dB Input Fader cut-off ..................................................................................................................................................................... <-95dB Pan isolation ............................................................................................................................................................................. <-77dB Mix route isolation ..................................................................................................................................................................... <-97dB Group route isolation ................................................................................................................................................................. <-97dB Adjacent channel crosstalk ........................................................................................................................................................ <-99dB Group to Mix .............................................................................................................................................................................. <-89dB Aux Send pots offness (typical) .................................................................................................................................................. <-84dB Matrix Send pots offness (typical) .............................................................................................................................................. <-84dB Frequency Response Mic/Line Input to any output, 20Hz - 20kHz .................................................................................................................................. <1dB THD + N Mic sens. -30dBu, +20dBu at all outputs @1kHz .................................................................................................................... <0.006% CMRR Typical @ 1kHz .............................................................................................................................................................................. 80dB Input & Output Max Levels Mono & Stereo Mic Inputs ........................................................................................................................................................ +15dBu Mono & Stereo Line Inputs ....................................................................................................................................................... +30dBu Stereo Returns & Insert Returns ................................................................................................................................................ +20dBu Any output ................................................................................................................................................................................ +20dBu Nominal Operating Level ........................................................................................................................................................... 0dBu 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 ................................................................................................................................ 50 - 600Ω © Copyright Soundcraft E & OE 01/05 Page 6 Issue 1 01/05 ZL0628 (Std) ZL0629 (US)
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