Appendix C: Technical Info - Mackie Onyx 1220 Owner's Manual

Appendix C: Technical Info

Onyx 1220 Specifi cations
Mic Input to Main Output (Gain @ Unity)
+0, –1 dB, 10 Hz to 50 kHz
+0, –3 dB, <10 Hz to >100 kHz
Mic Input to Main Output (@ +4 dBu output)
THD: < 0.01%, 20 Hz to 20 kHz
SMPTE IMD: < 0.005%
>113 dB (Mic In to Main Out)
(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
Mic In: >60 dB @ 1 kHz, Gain @ maximum
Adjacent Inputs or Input to Output:
Adjacent Inputs to Recording Outputs: < –90 dB @ 1 kHz
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
+48 VDC
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
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
Mic Input:
Inst Input:
Mono Channel Line Input:
Stereo Channel Line Input:
Tape Input:
Aux Return:
Mic Input to:
Inst Input to:
unity)
Stereo Line Input to:
< –75 dB @ 1 kHz
Tape Input to:
Aux Return to:
Mic Input:
Inst Input:
Mono Channel Line Input:
Stereo Channel Line Input: 20 kΩ balanced;
Stereo Aux Returns:
Tape In:
+21 dBu, Gain @ Unity
+21 dBu, Gain @ –20 dB
+30 dBu, Gain @ Unity
+21 dBu, Gain @ –20 dB
+15 dBu
+21 dBu
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
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
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
Main Output (XLR): 31 dB
Main Output (TRS): 25 dB
Tape Output: 25 dB
Control Rm Output: 16 dB
Phones Output: 14 dB
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
2.4 kΩ, balanced
1 MΩ
30 kΩ balanced;
15 kΩ unbalanced
10 kΩ unbalanced
20 kΩ balanced;
10 kΩ unbalanced
20 kΩ unbalanced