Console Mixer ยี่ห้อ SOUNDCRAFT รุ่น GB4 40
The new desks carry the high quality hallmark with which Soundcraft is synonymous, with engineering and design as you’d expect from this high-end manufacturer. Careful attention has been given to the mechanical construction, to ensure reliability under strenuous conditions, with all input modules being constructed with individual vertically-mounted pcb’s, fitted to the steel chassis front panel with individually-nutted potentiometers.
The GB Series also shares the stylish looks of the MH4, MH3 and LX7ii consoles, continuing a strong family look and feel across the range.
Available in frame sizes from 16 to 40 channels, the GB4 is designed for installations such as churches and performance venues, or for small touring sound systems. The dual-mode topology implemented to such success on the MH3 and MH4 desks allows the GB4 to be used on FOH or monitor duties, with fader control of group or aux outputs.
Although largely conventional in layout, the GB4 does have some unique mechanical features. The rugged steel chassis has a sloping rear connector panel so that it is easier to configure from the front of the desk, while the integral power supply has a link option for an external back-up PSU.
Four mute groups allow several channels to be muted simultaneously, while another unique facility is the limiter on a set of dedicated record outputs that makes it easier to create a stereo recording of the mix.
The console also features an output matrix with seven feeds to four outputs, being fed from the group busses and main L, R and C (mono) outputs.
Features:
- 40-channel frame size
- GB30 mic preamps
- Precision equalization circuitry
- Direct outputs on every channel
- Talkback facility
- 100mm faders
- Switchable 48V phantom powering on every channel
- 18dB/octave high-pass filter
- 4 mute groups
- 12-segment LED metering
- Record output with limiter
- 2 full-feature stereo channels
- 2 stereo returns
- 8 aux sends (4 are pre/post switchable)
- 4 sub groups (SWAP with Auxes 1-4)
- The Soundcraft GB4-24 has a 7×4 output matrix
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) | |
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