QSC DCM-1 - Specifications

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SPECIFICATIONS
DCM Inputs, Screen Channels and Subwoofer
Input Stage Type Active balanced
Input Impedance 20k ohms
Maximum Input Level +14.2 dBu (4.0 Vrms)
A-to-D Conversion 24-bit delta-sigma 128x oversampled
(analog subwoofer on DCM-1)
Surround Channels Hardwire pass-thru to DataPort Outputs
(via Surround-EX insert)
DataPort Outputs
Screen Channels
Output Adjustment +6 to -18 dB in 0.1 dB steps
Dynamic Range 99 dB
THD+N at +12 dBu Input Level 0.02%, 20 hertz to 20 kilohertz, all filters flat
Frequency Response 20 hertz to 20 kilohertz
D-to-A Conversion 24-bit delta-sigma 128x oversampled
Filter Topology 24-bit digital IIR
Subwoofer
Output Adjustment +3 to -18 dB in 0.1 dB steps
Dynamic Range 99 dB
THD+N at +12 dBu Input Level 0.02%, 20 hertz to 20 kilohertz, all filters flat
Frequency Response 20 hertz to 20 kilohertz
Filter Topology DCM-2 and DCM-3: 24-bit digital IIR
DCM-1: digitally controlled analog
Surround Channels Hardwire pass-thru from processor input
(via Surround-EX insert)
Emergency Bypass Crossover
Filter Type First-order Butterworth, 2- or 3-way
Attenuation Range (trim pot) -6 to -24 dB
Subwoofer Output (screw terms.)
Output Stage Type Single-ended balanced impedance
Output Impedance 50 ohms
Maximum Output Level +14.2 dBu (4.0 Vrms)
Loading Requirements R
min
= 2k ohms, C
max
= 4 nanoFarads