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Mono Output
Output Impedance .................................................................................................................................................. 75 ohms
Recommended Load.............................................................................................................................. 2k ohms or greater
Frequency Response .......................................................................................................................... +/- 1dB, 20Hz-20kHz
Distortion................................................................................................................. < 0.05% THD, 20Hz-20kHz @ +16dBu
Maximum Output................................................................................................................................. +20dBu into 2k ohms
Effects Loop Output
Output Impedance ................................................................................................................................................ 75k ohms
Recommended Load.............................................................................................................................. 5k ohms or greater
Frequency Response .......................................................................................................................... +/- 1dB, 20Hz-20kHz
Distortion................................................................................................................. < 0.05% THD, 20Hz-20kHz @ +16dBu
Maximum Output................................................................................................................................... +20dB into 2k ohms
Noise
All channels routed at unity, mix at unity .................................................................................................................. < -85dB
Crosstalk (@1kHz) ................................................................................................................................................... < -85dB
Channel Mute
Fader Cut-off (rel. 0 Mark) ....................................................................................................................................... < -95dB
FX Sends offness..................................................................................................................................................... < -90dB
Input and Output Impedance
Mic Input ................................................................................................................................................................. 2k ohms
Line Input .............................................................................................................................................................. 45k ohms
Aux Input (Unbalanced RCA Phono)..................................................................................................................... 30k ohms
Master/booth Output ............................................................................................................................................... 75 ohms
Aux Output ..............................................................................................................................................................75 ohms
Headphones Output ................................................................................................................................................ 40 ohms
Maximum Output Levels
Insert Send Output .............................................................................................................................. +20dBu into 2k ohms
Mix Output ........................................................................................................................................+20dBu into 600 ohms
Aux Output .......................................................................................................................................... +20dBu into 2k ohms
Booth Output .....................................................................................................................................+20dBu into 600 ohms
Headphones Output ..........................................................................................................................+20dBu into 300 ohms
Headphones......................................................................................................................................190mW into 150 ohms
Dimensions/ weight
1605
Without rack ears .............................................................................................................. 87.6(H) x 440(W) x 400(D) (mm)
With rack ears ................................................................................................................... 87.6(H) x 483(W) x 400(D) (mm)
Weight......................................................................................................................................................... 8.7kgs/ 19.1 lbs
1603
Without rack ears .............................................................................................................. 87.6(H) x 338(W) x 400(D) (mm)
With rack ears ................................................................................................................... 87.6(H) x 381(W) x 400(D) (mm)
Weight......................................................................................................................................................... 7.5kgs/ 16.5 lbs