Key Specifications

Main Mix Noise

Main Mix Fader at Unity, Channel Faders Down: -87 dBu (-91 dB signal to noise ratio, ref +4 dBu)
Main Mix Fader at Unity, Channel Faders at Unity: -81.5 dBu

(20 Hz to 20 kHz bandwidth, 1/4" main out, channel gains at unity, channel EQs flat, all channels assigned to main mix, odd channels panned left, even channels panned right)

Total Harmonic Distortion (THD)

Microphone In to Insert Send

<0.001%

Microphone In to Main Out

<0.005%

Additional Details

(1 kHz at 15 dB gain, 20 Hz to 20 kHz bandwidth)

Crosstalk / Attenuation

Channel Mute Switch Engaged

-90 dBu

Channel Fader Down

-88 dBu

Additional Details

(1 kHz relative to +10 dBu, 20 Hz to 20 kHz bandwidth, microphone in, 1/4" main out, gain at unity)

Frequency Response

Microphone input to main output (gain at unity)

+0, -1 dB, 20 Hz to 50 kHz
+0, -3 dB, <10 Hz to >100 kHz

Equivalent Input Noise

150 Ω Termination

-128.5 dBu, 20 Hz to 20 kHz

Additional Details

Microphone input to insert send out, maximum gain

Common Mode Rejection Ratio

Value

Better than -70 dB at 1 kHz

Maximum Level

Microphone In

+21 dBu

All Other Inputs

+21 dBu

Main Mix XLR Out

+27 dBu

All Other Outputs

+21 dBu

Impedance

Microphone 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

Equalizer

3-Band EQ (Mono Channels)

High Shelving: ±15 dB at 12 kHz
Mid Peaking: ±15 dB sweep 100 Hz to 8 kHz
Low Shelving: ±15 dB at 80 Hz
Low Cut Filter: 18 dB/octave, -3 dB at 100 Hz

4-Band EQ (Stereo Channels)

High Shelving: ±15 dB at 12 kHz
Hi Mid Peaking: ±15 dB at 2.5 kHz
Low Mid Peaking: ±15 dB at 400 Hz
Low Shelving: ±15 dB at 80 Hz

USB

Format

USB 1.1

I / O

Stereo Input, 4-Channel Output

A / D / A

24 bit, 44.1 kHz / 48 kHz

Power Consumption

Value

55 W, 100 to 120 VAC, 50 to 60 Hz

Operating Temperature

Value

32 to 104°F (0 to 40°C)

Dimensions

Height

Front: 1.8" (46.3 mm)
Rear: 6" (153 mm)

W x D

29.4 x19.1" (748.0 x 486.0 mm)

Weight

Value

31.0 lb (14.1 kg)

Packaging Info

Package Weight

38.4 lb

Box Dimensions (LxWxH)

34 x 24 x 11"