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Products
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Allen & Heath ML4000Downloads
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| Specifications | |||
| Operating Levels | |||
| Channels | 0 dBu Headroom +21 dB | Max. XLR Output | +23 dBu |
| Mix | -2 dBu Headroom +23 dB | ||
| Frequency Response (+0/-0.5dB) | |||
| Mic to Main Output (+40dB) | 20 Hz–30 kHz | Line to Main Output (0dB) | 20 Hz–30 kHz |
| Distortion | |||
| THD + Noise @ 1 kHz | < 0.02% | ||
| Common Mode Rejection | |||
| Mic Input (+40dB) | > 80 dB | Mic Input with Pad (0dB) | > 50 dB |
| Crosstalk @ 1 kHz | |||
| Adjacent Channel | < -95 dB | Mute Shutoff | < -90 dB |
| Fader Shutoff | < -90 dB | ||
| Noise Performance (22Hz–22kHz unweighted) | |||
| Mic EIN with 150Ω source | -128 dB | Residual Output Noise | < -98 dBu |
| Mix Noise - nothing routed | < -94 dBu | Mix Noise - 24 channels | < -84 dBu |
| Connection Impedances | |||
| Mic Inputs | 2 kΩ | Line Inputs | > 20 kΩ |
| Outputs | < 75 Ω | ||
| Equalization | |||
| Max. Boost/Cut (each band) | ± 15 dB | Filter (mono input) | 20 Hz to 400 Hz |
| Mono Channel HF | 2 kHz–20 kHz shelf | Stereo Channel HF | 12 kHz shelf |
| Mono Channel HM | 500 Hz–15 kHz, Q=1 or 2 | Stereo Channel HM | 2.5 kHz bell |
| Mono Channel LM | 35 Hz–1 kHz, Q=1 or 2 | Stereo Channel LM | 250 Hz bell |
| Mono Channel LF | 20 Hz–200 Hz shelf | Stereo Channel LF | 60 Hz shelf |
| Metering | |||
| Reading 0 | 0 dBu at XLR outputs | Peak Indication Threshold | 5 dB before clipping |
| Dimensions (HxWxD) and Weights | |||
| 24 Channel | 28.2 x 119.6 x 78.1 cm | 11.1" x 47.0" x 30.7" | 53 kg (116 lbs) |
| 32 Channel | 28.2 x 145.1 x 78.1 cm | 11.1" x 57.0" x 30.7" | 65 kg (143 lbs) |
| 40 Channel | 28.2 x 170.6 x 78.1 cm | 11.1" x 67.0" x 30.7" | 75 kg (165 lbs) |
| 48 Channel | 28.2 x 196.1 x 78.1 cm | 11.1" x 77.0" x 30.7" | 87 kg (191 lbs) |
| Sidecar | 28.2 x 83.1 x 78.1 cm | 11.1" x 33.0" x 30.7" | 40 kg (88 lbs) |
800.937.9021 Ext - 109, Or


