Allen & Heath GL4800
 GL4800 - Call for pricing - Multi-Function Live Sound Mixer
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Based on the highly successful GL4000, this mixer is a real thoroughbred multi-function mixer, with a mass of features and detail that makes this mixer a joy for engineers to use. This is a truly multi-functional console, offering features such as group output trims for recording, extended auxiliaries using matrix sends, multiple main outputs and trimmable direct outputs from channels.
The GL4800 is also a true workhorse: classic Allen & Heath sound with a new mix head amp design, EQ section from the respected ML4000 and with solid construction, expandable frame design and an array of channel format options—it’s the Swiss Army Knife of mixers! Flexible and multi-tasking, it is equipped to deal with any number of live sound and recording tasks. Bristling with configurable mode switches and the optimum combination of 10 auxes and 4 matrixes, this console can adapt quickly to the toughest sound mixing challenges. Rental companies will appreciate a mixer which will work hard for its living, delivering exceptional audio performance every day of the week.
Features
- 24, 32, 40, 48 channel frames
- 8 Audio groups with pan and routing to LR and M
- 11x4 Matrix
- 10 Auxiliary sends with faders, inserts and XLR
- 4 band, 4 sweep EQ with switched Q on midrange
- 8 Mute groups or scenes
- Mutes on all fader masters
- Mono/stereo PFL with trim
- Separate headphones and local outputs
- 100mm, premium grade dual rail faders
- Sys-Link 2 console input linking option
| Specifications |
| Operating Levels |
| Internal Headroom | +21 dB | Max. Main Output | +27 dBu |
| Line Input | -14 dB to +40 dB variable | Max. Jack Output | +21 dBu |
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| Frequency Response (+0/-0.5dB) | 20 Hz–20 kHz | THD + Noise @ 1 kHz | 0.006% |
| Crosstalk @ 1 kHz |
| Adjacent Channel | > 100 dB | Mute Shutoff | > 85 dB |
| Fader Shutoff | > 90 dB | |
| Noise Performance (22Hz–22kHz unweighted) |
| Mic EIN | -128 dB | Residual Output Noise | < -98 dBu (-102 dB S/N) |
| Mix Noise - nothing routed | < -88 dBu (-92 dB S/N) | Mix Noise - 24 routed | < -86 dBu (-90 dB S/N) |
| Connection Impedances |
| Mic Inputs | 2 kΩ | Line Inputs | > 10 kΩ |
| Outputs | < 75 Ω | |
| Equalization |
| Max. Boost/Cut (each band) | ± 15 dB | Filter (mono input) | Off to 400 Hz |
| Mono Channel HF | 12 kHz shelf | Stereo Channel HF | 12 kHz shelf |
| Mono Channel HM | 500 Hz–15 kHz, Q=1.8 | Stereo Channel HM | 2.5 kHz, Q=1.8 |
| Mono Channel LM | 35 Hz–1 kHz, Q=1.8 | Stereo Channel LM | 250 Hz, Q=1.8 |
| Mono Channel LF | 80 Hz shelf | Stereo Channel LF | 80 Hz shelf |
| Metering |
| Sensitivity | 0VU = +4 dBu at XLR out | Peak Indication Threshold | 5 dB before clipping |
| Dimensions (HxWxD) and Weights |
| 24 Channel | 28.5 x 116.6 x 74.8 cm | 11.0" x 46.0" x 29.0" | 47 kg (104 lbs) |
| 32 Channel | 28.5 x 142.1 x 74.8 cm | 11.0" x 56.0" x 29.0" | 57 kg (126 lbs) |
| 40 Channel | 28.5 x 167.6 x 74.8 cm | 11.0" x 66.0" x 29.0" | 67 kg (148 lbs) |
| 48 Channel | 28.5 x 193.1 x 74.8 cm | 11.0" x 76.0" x 29.0" | 77 kg (170 lbs) |
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GL4800 Brochure (pdf)