DCM
Specifications
qscaudio.com
Specifications subject to change without notice.
1675 MacArthur Boulevard • Costa Mesa, CA 92626 • Ph: 800/854-4079 or 714/957-7100 • Fax: 714/754-6174
DCM Spec Sheet - 09/18/08
Dimensions (HWD):
5.25" x 19" x 15"
Line Voltage Requirements:
100 VAC – 240 VAC, 50/60 Hz
Accessories Included:
(1) 6 ft. (2m) UL/CSA line cord • (1) User Manual
(1) Software CD
Front Panel Controls
Power Switch:
(1) Rocker Switch
Monitor Mode Select:
(1) Momentary Push Button
Monitor Channel Select:
(9 or 11) Momentary Push Buttons
Monitor Volume:
(1) Rotary Potentiometer
Test Lead Connections:
(2) Test Point Jacks
Bypass Mode Select Switch:
(1) Slide Switch
Indicators
Power Indicator:
(1) Green LED
Monitor Mode Indicators:
(1) Green LED and (1) Yellow LED
Processor Channel Indicators:
(9 or 11) Green LEDs
Amplifier Channel Indicators:
(9 or 11) Yellow LEDs
Load Fault Indicator:
(1) Red LED
Clip Indicator:
(1) Red LED
Bypass Mode Indicator:
(1) Flashing Red LED
Alt EQ Mode Indicator:
(1) Yellow LED
Rear Panel Controls
Bypass Crossover Level:
(2 or 3) Rotary Trimpots
Bypass Crossover Type:
(1) Slide Switch
Analog/Digital Input Select:
(1) Slide Switch
(D models only)
Rear Panel Control Connectors
Main Analog Input:
(1) 25-pin female D-sub connector
Surround EX Input:
(1) 25-pin female D-sub connector
Digital Input (D models only):
(1) 25-pin female D-sub connector
Amplifier DataPorts:
(10 or 19) 15-pin female high-density D-sub connectors
Control Port:
(1) USB Series-B Receptacle
Hearing Impaired Line Output: (1) 3 postion screw-terminal connector
Powered Sub Line Output:
(1) 3 postion screw-terminal connector
External Monitor Speaker Output: (1) 2 position screw-terminal connector
Aux Line Level Input:
(1) 3 position screw-terminal connector
Alt EQ Contact Closure Input:
(1) 2 position screw-terminal connector
AC Power Inlet:
(1) IEC style
DCM Inputs
Input Stage Type:
Active balanced
Input Impedance:
20k ohms
Maximum Analog Input Level: +14.2 dBu (4.0 Vrms)
A/D Conversion:
24 bit delta-sigma 128x oversampled
Dataport Outputs - Screen Channels
Output Level Range:
+6 dB to -18 dB in 0.1 dB steps
Dynamic Range:
>103 dB
THD+N, AES-17, 20Hz – 20kHz,
+12 dBuInput Level, All Filters
Set Flat:
< 0.013% Analog Inputs / < 0.008% Digital Inputs
Frequency Response:
20 Hz – 20 kHz (no filtering)
D/A Conversion:
24 bit delta-sigma 128x oversampled
Filter Topology:
24 bit digital IIR filters
Crossover Filters:
Linkwitz-Riley 24 dB / octave digital filters programmable from
20 Hz – 20 kHz
Parametric EQ:
(3 per c 3 per band)
Digital bandpass filter with ±10 dB of boost/cut programmable from 20 Hz –
20 kHz. Q is programmable in 1/10th octave steps from 1/10 to 2 octaves
CD Horn EQ:
Digital shelf filter with up to 6 dB of boost programmable from
1 kHz – 20 kHz. Available on high-frequency band only
Screen EQ:
Digital shelf with up to 6 dB of boost programmable from
1 kHz – 20 kHz
Subsonic (highpass) filter:
Digital high pass filter programmable from 15 Hz – 50 Hz.
Q can be programmed as 0.707 (flat) or 2 (B6 boost)
Allpass Filter:
2nd order allpass filter programmable from 20 Hz – 2000 Hz
(dual low band output only)
Channel Delay:
Programmable in 1ms steps from 0 – 20 ms
Band Delay:
Programmable in 21
µ
s steps from 0 – 10 ms per band
Band Polarity:
Normal, Inverted
Mute:
Individual mutes on each channel and band output
Dataport Outputs - Surround and Subwoofer
Output Level Range:
+6 dB to -18 dB in 0.1 dB steps
Dynamic Range:
>103 dB
THD+N, AES-17, 20Hz – 20kHz,
+12 dBuInput Level, All Filters
Set Flat:
< 0.013% Analog Inputs / < 0.008% Digital Inputs
Frequency Response:
20 Hz – 20 kHz (no filtering)
D/A Conversion:
24 bit delta-sigma 128x oversampled
Filter Topology:
24 bit digital IIR filters
Parametric EQ (2 per channel): Digital bandpass filter with ±10 dB of boost/cut programmable
from 20 Hz to 20 kHz. Q is programmable in 1/10th octave steps from
1/10 to 2 octaves
Subsonic (highpass) Filter:
Digital high pass filter programmable from 15 Hz – 50 Hz.
Q can be programmed as 0.707 (flat) or 2 (B6 boost)
Channel Delay:
Programmable from 0 – 150 ms per output (surrounds only)
Mute:
One mute for all subwoofer outputs, one per surround channel
Bass Management:
Weighted sum of screen channels may be low pass filtered and
mixed with sub output
DataPort Outputs - Aux
Output Level Range:
+6 dB to -18 dB in 0.1 dB steps
Dynamic Range:
>103 dB
THD+N, AES-17, 20Hz-20kHz,
+12 dBuInput Level, All Filters
Set Flat:
< 0.013% Analog Inputs / < 0.008% Digital Inputs
Frequency Response:
20 Hz – 20 kHz (no filtering)
D/A Conversion:
24 bit delta-sigma 128x oversampled
Filter Topology:
24 bit digital IIR filters
Crossover Filters:
Linkwitz-Riley 24 dB/octave digital filters programmable from
20 Hz – 20 kHz
Parametric EQ:
Digital bandpass filter with ±10 dB of boost/cut programmable from
(3 per c 3 per band )
20 Hz – 20 kHz. Q is programmable in 1/10th octave steps from 1/10
to 2 octaves
Subsonic (highpass) Filter:
Digital high pass filter programmable from 15 Hz – 50 Hz. Q can be
programmed as 0.707 (flat) or 2 (B6 boost)
CD Horn EQ:
Digital shelf filter with up to 6 dB of boost programmable from 1kHz
– 20 kHz. Available on high frequency band only
Screen EQ:
Digital shelf with up to 6 dB of boost programmable from 1 kHz – 20 kHz
Channel Delay:
Programmable from 0 – 20 ms per output
Band Delay:
Programmable in 21
µ
s steps from 0 – 10 ms per output
Mute:
Individual mutes on each channel output
Surround Bass Management:
Weighted sum of surround channels may be low pass filtered and
mixed with aux output
Amplifier A.C. Control
All amps power on with DCM activation
Emergency Bypass Crossover
Filter Type:
2nd order active Butterworth, 2 or 3 way
Attenuation Range (trimpot):
0 dB to -20 dB
Crossover Frequencies:
1000 Hz (2-way), 500 Hz and 1500 Hz (3-way)
Powered Subwoofer Output
Output Stage Type:
Single ended (balanced impedance)
Output Impedance:
50 ohms
Maximum Output Level:
+14.8 dBu (6Vp = 4.25 Vrms)
Loading Requirements:
R
MIN
= 2k ohms C
MAX
= 4 nF
(total of remote & dataport connection)
Monitor Speaker Output
Amplifier Output Power:
15 watt Class D amplifier
Frequency Response:
20 Hz – 20 kHz (±2 dB)
Dynamic Processing:
1.5:1 Compression
Aux Input
Input Stage Type:
Active Balanced
Input Impedance:
20k ohms
Maximum Input Level:
+14.2 dBu (4.0 Vrms)
Hearing Impaired Output
Output Stage Type:
Single Ended (balanced impedance)
Output Impedance:
50 ohms
Nominal Output Level:
-11.8 dBu (200 mVrms)
Loading Requirements:
R
MIN
= 2k ohms C
MAX
= 4 nF
Contact Closure Input
Input Type:
TTL Compatible or Dry Contact Closure
Operating Mode:
Connection to ground through a maximum impedance of 1.3 k ohms
selects alt EQ settings
Internal Monitor Speaker
Dimensions:
4" full range driver
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