0.01%, 20 Hz to 2 kHz 0.02%, 2 kHz to 20 kHz 0.01%, 10 Hz to 1 kHz 0.03%, 1 kHz to 47 kHz
20 Hz to 20 kHz –3 dB at 21 kHz 20 Hz to 20 kHz –3 dB at 45 kHz
0.0015%
0.017%
0.005%

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

 

 

Onyx 1220i PREMIUM PRODUCTION MIXER WITH FIREWIRE

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

 

 

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)

96 kHz sample rate (+0 / –0.5 dB)

Distortion (THD+N)

(20 Hz to 20 kHz bandwidth)

Mic input at insert

(+4 dBu in, 0 dB gain, +4 dBu out)

Mic input at insert

(–36 dBu in, +40 dB gain, +4 dBu out)

Stereo channel line input to any output

(+4 dBu in, all gain stages at unity, +4 dBu out)

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:

96 kHz sample rate:

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

 

 

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