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The Soundcraft GB8 live console series is designed to deliver the audio fidelity and mixing capabilities necessary in front-of-house (FOH) or monitor mixing applications in large or small venues. The GB8 is available in 16, 24, 32, 40 and 48 channel frames to suite specific needs in live sound mixing.
This model is configured with 40 input channels. 40 inputs feature microphone and line level connections, an additional 4 stereo inputs are provided as well. The stereo inputs (ST1 - ST4) provide L/R stereo line level inputs and 3-pin XLR microphone inputs for stereo microphone placement when capturing vocals, instruments, ambiance, etc. The console features 8 group outputs enabling routing to monitors, external recorders, etc. The GB8 series implements Soundcraft's GB30 microphone preamp and EQ, delivering the sonic quality expected of more costly consoles.
Additional features include Soundcraft's famed matrix mixer for added routing flexibility and an integrated meter bridge, enabling accurate metering.
40 Mono, 4 Stereo Input Channels
The GB8 series is available in a variety of frame configurations. This model features 40 mono and 4 stereo inputs
8 Subgroup Outputs
The GB8 series feature 8 group outputs for routing to external recorders, monitors, etc.
The matrix output mixer provides added routing flexibility.
8 Auxiliary Sends
8 auxiliary sends provide plenty of routing to external effects, monitors, etc.
All mono inputs provide direct outputs for direct routing to recorders, mixers, etc.
GB30 Microphone Preamplifiers
Soundcraft's GB30 microphone preamplifier's provide an ultra low-noise floor while maintaining high output gain.
The GB8 series features an integrated LED and VU meter bridge for accurate metering of input and output level.
1/4" TRS Phone - Mono Inputs, Main Output and Subgroup Outputs
BUS (Group) Outputs
8 Subgroups: Balanced 3-pin XLR
2 Trk Master I/O
Mix L/R: Stereo Paired 3-pin XLR Balanced
ALT Stereo: L/R Stereo Paired 1/4" Output
Monitor: L/R Stereo Paired 1/4" TRS Phone
High Filter: 13kHz, +/- 15dB, 2nd order shelving
Hi-Mid: 550Hz - 13khz, +/- 15dB, Q=1.5
Lo-Mid: 80Hz - 1.9kHz, +/- 15dB, Q=1.5
Low Filter: 80Hz, +/- 15dB, 2nd order shelving
All Input Channels
Channel Level Control
+48V Phantom individually switched
Input Channels: Single tri-color 4-segment LED bargraph
Outputs: 11 tri-color 12-segment LED bargraphs, + Meterpod with 3 VU meters (L/R/C)
20Hz to 20kHz <1dB
Not Specified by Manufacturer
Measured RMS, 22Hz to 22kHz Bandwidth
-128dBu Mic E.I.N. @ unity gain, 150 ohms souce impedance
<-82dBu Mix Output, 40 inputs routed to mix
<-83dBu Group & Center Outputs
<-80dBu Aux Outputs
<-89dBu Matrix Outputs
Total Harmonic Distortion (THD)
<0.006%Mic sens. -30dBu, +20dBu at all outputs @ 1kHz
Internal AC PSU - 85V, 270V AC, 50/60Hz universal input
Power Consumption Less than 150W