Filter
Top Products
26
ONYX 1220
ONYX 1220
Appendix C: Technical Info
Maximum Input Levels
Mic Input: +21 dBu, Gain @ Unity
Inst Input: +21 dBu, Gain @ –20 dB
Mono Channel Line Input:
+30 dBu, Gain @ Unity
Stereo Channel Line Input:
+21 dBu, Gain @ –20 dB
Tape Input: +15 dBu
Aux Return: +21 dBu
Maximum Voltage Gain
Mic Input to:
Main Output (XLR):
85 dB
Main Output (TRS):
79 dB
Tape Output: 79 dB
Aux Sends: 85 dB
Control Rm Output:
89 dB
Alt 3/4 Output: 64 dB
Phones Output: 87 dB
Inst Input to:
Main Output (XLR):
66 dB
Main Output (TRS):
60 dB
Tape Output: 60 dB
Aux Sends: 66 dB
Control Rm Output:
70 dB
Alt 3/4 Output: 45 dB
Phones Output: 68 dB
Stereo Line Input to:
Main Output (XLR):
46 dB
Main Output (TRS):
40 dB
Tape Output: 40 dB
Aux Sends: 45 dB
Control Rm Output:
49 dB
Alt 3/4 Output: 24 dB
Phones Output: 47 dB
Tape Input to:
Main Output (XLR):
31 dB
Main Output (TRS):
25 dB
Tape Output: 25 dB
Control Rm Output:
16 dB
Phones Output: 14 dB
Aux Return to:
Main Output (XLR):
26 dB
Main Output (TRS):
20 dB
Tape Output: 20 dB
Aux Send: 26 dB
Control Rm Output:
29 dB
Phones Output: 27 dB
Input Impedance
Mic Input: 2.4 kΩ, balanced
Inst Input: 1 MΩ
Mono Channel Line Input: 30 kΩ balanced;
15 kΩ unbalanced
Stereo Channel Line Input: 20 kΩ balanced;
10 kΩ unbalanced
Stereo Aux Returns: 20 kΩ balanced;
10 kΩ unbalanced
Tape In: 20 kΩ unbalanced
Onyx 1220 Specifi cations
Frequency Response
Mic Input to Main Output (Gain @ Unity)
+0, –1 dB, 10 Hz to 50 kHz
+0, –3 dB, <10 Hz to >100 kHz
Distortion (THD & IMD)
Mic Input to Main Output (@ +4 dBu output)
THD: < 0.01%, 20 Hz to 20 kHz
SMPTE IMD: < 0.005%
Dynamic Range
>113 dB (Mic In to Main Out)
Noise Floor
(20 Hz to 20 kHz Bandwidth, 150Ω source impedance)
Equivalent Input Noise (E.I.N.)
–129 dBu @ +60 dB gain
Mic Output Noise:
Recording Output: –100 dBu (minimum gain)
Residual Output Noise:
Main Out: –97 dBu (Channel and Main Mix levels off)
Main Out: –87 dBu (Channel and Main Mix levels at
unity)
Common Mode Rejection Ratio (CMRR)
Mic In: >60 dB @ 1 kHz, Gain @ maximum
Crosstalk
Adjacent Inputs or Input to Output: < –75 dB @ 1 kHz
Adjacent Inputs to Recording Outputs:
< –90 dB @ 1 kHz
Input Gain Control Range
Mic In: 0 dB to +60 dB
Line In: –20 dB to + 40 dB, mono channels
Line In: –20 dB to +20 dB, stereo channels
Phantom Power
+48 VDC
Equalization
Mono Channel EQ:
High: ±15 dB @ 12 kHz
Mid: ±15 dB, sweepable from 100 Hz to 8 kHz
Low: ±15 dB @ 80 Hz
Stereo Channel EQ:
High: ±15 dB @ 12 kHz
Mid: ±15 dB @ 2.5 kHz
Low: ±15 dB @ 80 Hz
Mixer Rated Output
Main: +4 dBu
Aux Send: +4 dBu
Control Room: +4 dBu
Alt 3/4: +4 dBu
Maximum Rated Output:
+27 dBu @ Main XLR Outputs
+21 dBu @ TRS Outputs