| Mixer Technical Specifications | |
|---|---|
| Main Mix Noise | |
| Testing Conditions | (20 Hz–20 kHz bandwidth, 1/4″ main out, channel gains @ unity, channel EQs flat, all channels assigned to main mix, odd channels panned left, even channels panned right.) |
| Main mix fader unity, channel faders down | -87.0 dBu (-91.0 dB Signal to Noise Ratio, ref +4 dBu) [2404VLZ4] -84.5 dBu (-88.5 dB Signal to Noise Ratio, ref +4 dBu) [3204VLZ4] |
| Main mix fader @ unity, channel faders @ unity | -81.5 dBu [2404VLZ4] -80.0 dBu [3204VLZ4] |
| Total Harmonic Distortion (THD) | |
| Testing Conditions | (1 kHz @ 15 dB gain, 20 Hz–20 kHz bandwidth) |
| Mic in to insert send | <0.001% |
| Mic in to main out | <0.005% |
| Attenuation / Crosstalk | |
| Testing Conditions | (1 kHz relative to +10 dBu, 20 Hz–20 kHz bandwidth, mic in, 1/4″ main out, gain @ unity) |
| Channel mute switch engaged | -90 dBu |
| Channel fader down | -88 dBu |
| Frequency Response | |
| Mic input to main output (gain @ unity) | +0, -1 dB, 20 Hz to 50 kHz +0, -3 dB, <10 Hz to >100 kHz |
| Equivalent Input Noise (EIN) | |
| (Mic input to insert send out, max gain) 150 Ω termination | -128.5 dBu 20 Hz–20 kHz |
| Common Mode Rejection Ratio (CMRR) | |
| 1 kHz | better than -70 dB |
| Maximum Levels | |
| Mic in | +21 dBu |
| All other inputs | +21 dBu |
| Main mix XLR out | +27 dBu |
| All other outputs | +21 dBu |
| Impedances | |
| Mic in | 2.7 kΩ |
| Channel insert return | 2.5 kΩ |
| All other inputs | 10 kΩ or greater |
| Tape out | <10 Ω |
| All other outputs | 120 Ω |
| 3-Band EQ (mono channels) | |
| High Shelving | ±15 dB @ 12 kHz |
| Mid Peaking | ±15 dB sweep 100 Hz – 8 kHz |
| Low Shelving | ±15 dB @ 80 Hz |
| Low Cut Filter | 18 dB/octave, -3 dB @ 100 Hz |
| 4-Band EQ (stereo channels) | |
| High Shelving | ±15 dB @ 12 kHz |
| Hi Mid Peaking | ±15 dB @ 2.5 kHz |
| Low Mid Peaking | ±15 dB @ 400 Hz |
| Low Shelving | ±15 dB @ 80 Hz |
| USB | |
| Format | USB 1.1 |
| I/O | Stereo Input, 4 Channel Output |
| A/D/A | 24 bit, 44.1 kHz / 48 kHz |
| AC Power Requirements | |
| Power Consumption | 55 watts [2404VLZ4] 65 watts [3204VLZ4] |
| US, JP | 100 – 120 VAC, 50 – 60 Hz |
| EU, UK, AU, CN | 200 – 240 VAC, 50 – 60 Hz |
| Operating Temperature | 0° – 40°C // 32° – 104°F |
| Physical Properties (product) | |
| Front Height | 1.8 in / 46.3 mm [Both] |
| Rear Height | 6.0 in / 153 mm [Both] |
| Depth | 19.1 in / 486 mm [Both] |
| Width | 29.4 in / 748 mm [2404VLZ4] 38.0 in / 964 mm [3204VLZ4] |
| Weight | 31.0 lb / 14.1 kg [2404VLZ4] 39.0 lb / 17.7 kg [3204VLZ4] |
