The Soundcraft GB4 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 GB4 is available in 12, 16, 24, 32 and 40 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 4 group outputs enabling routing to monitors, external recorders, etc. The GB4 series implements Soundcraft’s GB30 microphone preamp and EQ, delivering the sonic quality expected of more costly consoles.
Features
- GB30 mic preamp
- 4-band GB30 EQ
- Individually switched 48V phantom power on every mono input module
- 4 Full-feature Stereo channels
- 8 Aux sends (all switchable between pre/post fader operation)
Specifications
| Total # Of Inputs | 40 Total |
| Mic/Line Inputs | 40 Line: 1/4″ TRS Phone 40 Microphone: 3-pin XLR |
| Stereo Line Inputs | 4 Stereo: L/R Paired 1/4″ Phone Line & 3-pin XLR Microphone |
| In-Line Inputs/Returns | No |
| AUX Sends | 8 Aux Sends |
| AUX Returns | 4 Stereo Returns |
| Inserts | 1/4″ TRS Phone – Mono Inputs, Main Output and Subgroup Outputs |
| BUS (Group) Outputs | 4 Subgroups: Balanced 3-pin XLR |
| 2 Trk Master I/O | Mix L/R: Stereo Paired 3-pin XLR Balanced |
| ALT I/O | ALT Stereo: L/R Stereo Paired 1/4″ Output |
| Monitor Outputs | Monitor: L/R Stereo Paired 1/4″ TRS Phone |
| EQ Section | 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 |
| Solo/Mute | All Input Channels |
| Channel Level Control | 100mm Faders |
| Trim/Gain Control | Rotary Potentiometers |
| Phantom Power | +48V Phantom individually switched |
| Metering | Input Channels: Single tri-color 4-segment LED bar graph Outputs: 7 tri-color 12-segment LED bar graphs, + Meter pod with 3 VU meters (L/R/C) |
| Frequency Response | 20Hz to 20kHz <1dB |
| Dynamic Range | not specified by manufacturer |
| Signal-to-Noise Ratio | Measured RMS, 22Hz to 22kHz Bandwidth -128dBu Mic E.I.N. @ unity gain, 150 ohms source 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 |
| Power Supply | Internal AC PSU – 85V, 270V AC, 50/60Hz universal input Power Consumption Less than 150W |
| Dimensions | 59.96 x 9.23 x 25.83″ (1523 x 235 x 656mm) (WxHxD) |
| Weight | 81.6 lbs. (37 kg) |
| Package Weight | 103.5 lb |
| Box Dimensions (LxWxH) | 65 x 31 x 12″ |
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