• Soundcraft GB4 32-Channel High Performance Analog Mixer
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Soundcraft GB4 High Performance Analog Mixer | Channels: 16

Soundcraft GB4 High Performance Analog Mixer | Channels: 16

SoundPro Item: 63331 | Part Number: RW5690SM

$2,740.00
$3,290.00 $2,740.00
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MSRP: $3,290.00 | MAP: $2,740.00

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  • 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
  • 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
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Fitting a comprehensive set of functions into a compact, cost-effective build, the GB4 from Soundcraft is a high-performance analog mixer. It’s ideal for medium-sized installations such as houses of worship or performance venues, but it’s also a great choice for small touring sound systems. In addition, GB4 boasts dual-mode topology equips you for fader control of group or aux outputs, so you can also use this mixer for FOH or monitor duties.

The GB4 has a standard layout for intuitive operation. It also features a GB30 Mic Preamplifier and Equalizer that enables high-resolution adjustment over a wide gain range of 55 dB. It comes in four variant models, differentiated by the frame sizes:

  • 16 channels
  • 24 channels
  • 32 channel
  • 40 channels

Some of GB4’s unique features include a rugged steel chassis with a sloping rear connector panel, allowing it to be easily configured from the front of the desk, along with an integrated power supply with a link option for external PSU backup. Four mute groups allow you to mute several channels at the same time. A limiter lets you create a stereo recording of your mix using a selected set of record outputs. An output matrix contains 7 feeds to 4 outputs, being fed from the group busses and main L, R, and C (mono) outputs.

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Specifications

Electrical
Mic EIN @ Unity Gain, 150W Source Impedance
-128dBu
THD+N (mic sens. -30dBu, +20dBu at All Outputs @1kHz)
<0.006%
Recommended Headphone Impedance
50-600Ω
Audio
Frequency Response (mic/line Input to Any Output, 20Hz - 20kHz)
<1dB
Connectivity
Mix Output, 40 Inputs Routed to Mix
<-82dBu
Group Outputs
<-83dBu
Aux Outputs
<-80dBu
Matrix Outputs
<-89dBu
Input Channel Mute
<-97dB
Input Fader Cut-Off
<-95dB
Mono & Stereo Mic Inputs
+15dBu
Mono & Stereo Line Inputs
+30dBu
Any Output
+20dBu
Mic Inputs
2kΩ
Line Inputs & Stereo Returns
10kΩ
Input Channels Insert Return
5kΩ (with EQ in), otherwise 3kΩ
Mix, Group, Aux, Matrix & Direct Outputs
150Ω
Construction
Stereo Returns & Insert Returns
+20dBu
Insert Sends
75Ω
General
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)
<-89dB
CMRR (typical @ 1kHz)
80dB
Nominal Operating Level
0dBu
Headphone Power
2x250mW into 200Ω
HF
13kHz, +/-15dB, 2nd order shelving
Hi-Mid
550Hz - 13kHz, +/-15dB, Q=1.5
Lo-Mid
80Hz - 1.9kHz, +/-15dB, Q=1.5
LF
80Hz, +/-15dB, 2nd order shelving
16 Channel
22 kg (48.5 lbs)
24 Channel
27 kg (59.5 lbs)
32 Channel
32 kg (70.5 lbs)
40 Channel
37 kg (81.6 lbs)

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