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Onyx 1220i
PREMIUM PRODUCTION
MIXER WITH FIREWIRE
Onyx 1220i SPECIFICATIONS
Noise Characteristics
Equivalent Input Noise (EIN), mic input at insert, 150 source
impedance, 20 Hz to 20 kHz
60 dB (max) gain: –127 dBu
40 dB gain: –126.5 dBu
Equivalent Input Noise (EIN), mic input at insert, 50
source
impedance, A-weighted
60 dB (max) gain: –130.5 dBu
40 dB gain: –130 dBu
Output Noise Figure (1/4" Main out, all channels assigned to main,
Gain knobs at unity, 20 Hz to 30 kHz)
Main Mix knob down, channel Level knobs down:
–102 dBu (–106 dB SNR, ref +4 dBu)
Main Mix knob unity, channel Level knobs down:
–96 dBu (–100 dB SNR, ref +4 dBu)
Main Mix knob unity, channel Level knobs unity:
–93 dBu (–97 dB SNR, ref +4 dBu)
FireWire Through (Record + Playback) Dynamic Range:
(0 dBu in, mic input to FireWire send, returned to Control Room, all
gain stages at unity, 20 Hz to 20 kHz)
44.1 kHz sample rate: –104 dB
96 kHz sample rate: –106.5 dB
Frequency Response
Mic input to any output
(all gain stages at unity, +0 / –0.5 dB) 20 Hz to 20 kHz
Stereo channel line input to any output
(all gain stages at unity, +0 / –0.5 dB) 20 Hz to 20 kHz
FireWire in and out (mic input to FireWire send, returned to Control
Room, all gain stages at unity):
44.1 kHz sample rate (+0 / –0.5 dB) 20 Hz to 20 kHz
–3 dB at 21 kHz
96 kHz sample rate (+0 / –0.5 dB) 20 Hz to 20 kHz
–3 dB at 45 kHz
Distortion (THD+N)
(20 Hz to 20 kHz bandwidth)
Mic input at insert
(+4 dBu in, 0 dB gain, +4 dBu out) 0.0015%
Mic input at insert
(–36 dBu in, +40 dB gain, +4 dBu out) 0.017%
Stereo channel line input to any output
(+4 dBu in, all gain stages at unity, +4 dBu out) 0.005%
FireWire in and out
(+4 dBu in, mic input to FireWire send, returned to Control Room, all
gain stages at unity)
44.1 kHz sample rate: 0.01%, 20 Hz to 2 kHz
0.02%, 2 kHz to 20 kHz
96 kHz sample rate: 0.01%, 10 Hz to 1 kHz
0.03%, 1 kHz to 47 kHz
Attenuation and Crosstalk
@1 kHz
Main Mix knob down –85 dBu
Channel Alt/Mute switch engaged –95 dBu
Channel Level knob down –95 dBu
Common Mode Rejection Ratio (CMRR)
Mic input to insert, max gain, 1 kHz –70 dB
Maximum Input Levels
Mic input, gain at min (0 dB) +22 dBu
Mic input, gain at max (60 dB) –38 dBu
Line input, gain at –20 dB +22 dBu
Instrument input, gain at –20 dB +22 dBu
Tape input +12 dBu
Aux return +22 dBu
Maximum Output Levels
All outputs +22 dBu
Equalization
Mono Channels
Low ±15 dB @ 80 Hz
Mid frequency 100 Hz to 8 kHz
Mid gain ±15 dB
High ±15 dB @ 12 kHz
Stereo Channels
Low ±15 dB @ 80 Hz
Mid ±15 dB @ 2.5 kHz
High ±15 dB @ 12 kHz
FireWire
Sample Rates Available 44.1 kHz, 48 kHz,
88.2 kHz, 96 kHz
Buffer Size 32 (44.1 kHz and 48 kHz only), 64,
128, 256, 512, 1024, 2048 samples
Resolution 24-bit