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Main Mix Noise
(20 Hz-20 kHz bandwidth, 1/4″ Main out, channel gains @ unity gain, EQs flat, all channels assigned to main mix, odd channels panned left, even channels panned right)
Main mix fader down, channel level faders down: -87.0 dBu
Main mix fader @ unity, channel level faders @ unity: -81.5 dBu,
THD
(1 kHz @ 35 dB gain, 20 Hz-20 kHz bandwidth)
Mic in to insert send: <0.0001%
Mic in to Main Out: <0.005%
Attenuation/Crosstalk
(1 kHz relative to 0 dBu, 20 Hz-20 kHz bandwidth, line in, 1/4" main out, gain @ unity)
Channel Mute switch engaged: -90 dBu
Channel Gain knob down: -88 dBu
Frequency Response
Mic input to main output (gain @ unity)
+0, -1 dB, 20 Hz to 50 kHz
+0, -3 dB, 100 kHz
Equivalent Input Noise (EIN)
(Mic input to insert send out, max gain)
150 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 (Ohms)
Mic in: 2.7K
Channel insert return: 2.5K
All other inputs: 10K or greater
Tape out: <1OK
Phones out: 120
All other outputs: 120
EQ (Mono channels)
High Shelving: ±15 dB @ 12 kHz
Mid Peaking: ±15 dB sweep 100Hz – 8kHz
Low Shelving: ±15 dB @ 80 Hz
Low Cut Filter: 18 dB/octave, -3 dB @ 75 Hz
EQ (Stereo channels)
High: ±15 dB @ 12 kHz
High Mid: ±15 dB @ 2.5 kHz
Low Mid: ±15 dB @ 400 Hz
Low: ±15 dB @ 80 Hz
USB
Format: USB 1.1
I/O: Stereo inut, 4 channel output
A/D/A: 24 bit, 44.1 kHz / 48 kHz
Physical Properties
Height: 6.0"
Depth: 19.1"
Width: 29.4"
Weight: 31lb
