QSC Audio DCM-3, DCM-1 warranty Dcm, Specifications, Qscaudio.com

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5.25" x 19" x 14"
85 VAC - 260 VAC, 50/60 Hz
(1) 6 ft. (2m) UL/CSA line cord
(1) User Manual
(1) Software Diskette, 3.5" HD
(1) Rocker Switch
(1) Momentary Push Button
(6 or 8) Momentary Push Button
(1) Rotary Potentiometer
(2) Test Point Jacks
(1) Slide Switch
(1) Momentary Push Button
(1) Green LED
(1) Green LED and (1) Yellow LED (6 or 8) Green LEDs
(13 or 20) Yellow LEDs
(1) Red LED
(1) Red LED
(2 or 3) Rotary Trimpots
(1) Slide Switch
(1) 25-pin female D-sub connector
(8, 11 or 15) 15-pin female high-densityD-sub connectors
(1) 9-pin female D-sub connector
(1) 6 terminal screw-terminal connector
(1) 9-pin male D-sub connector
(1) IEC style with fuse
Active Balanced 20k ohms
+14.2 dBu (4.0 Vrms)
+18.2 dBu (6.4 Vrms)
24 bit delta-sigma 128x oversampled Hardwire pass-through to DataPort outputs (via Surround-EX Insert)
0 dB to –18 dB in 0.1 dB steps
99 dB
0.02%
20 Hz – 20 kHz (no filtering)
24 bit delta-sigma 128x oversampled
24 bit digital IIR filters

DCM

Specifications

The QSC DCM acts as the interface between a cinema film audio processor and the power amplifiers in a bi-amp or tri-amp cinema sound system. The DCM performs two major functions: automatic and manual monitoring of processor and amplifier signals, and fully programmable crossover/EQ filtering.

Dimensions (HWD):

Line Voltage Requirements: Accessories Included:

Front Panel Controls

Power Switch:

Monitor Mode Select:

Monitor Channel Select:

Monitor Volume:

Test Lead Connections:

Bypass Mode Select Switch:

Diagnostics Button:

Indicators:

Power Indicator:

Monitor Mode Indicators:

Processor Channel Indicators:

Amplifier Channel Indicators:

Load Fault Indicator:

Clip Indicator:

Rear Panel Controls

Bypass Crossover Level:

Surround EX Mode Switch:

Rear Panel Control Connectors:

Input:

Amplifier DataPorts:

RS232 Serial Port:

Powered Sub/Hearing:

Impaired Output:

Surround EX Insert Point:

AC Power Inlet:

DCM Inputs

Screen Channels and Subwoofer: Input Stage Type:

Input Impedance:

Maximum Input Level (Screen channels):

Maximum Input Level (Subwoofer channels):

A/D Conversion (Screen channels only):

Surround Channels:

Dataport Outputs

Screen Channels:

Output Attenuation Steps:

Dynamic Range:

THD+N 20 Hz-20 kHz, +12 dBu

Input Level, All Filters Flat:

Frequency Response:

D/A Conversion:

Filter Topology:

Specifications subject to change without notice.

Crossover Filters:

Linkwitz-Riley 24 dB/octave digital filters

 

programmable in approx. 1 Hz steps from

 

150 Hz - 15 kHz

 

Parametric EQ:

Digital bandpass constant Q filter with ±10 dB

 

of boost/cut programmable in approx. 1/10 octave

 

steps from 80 Hz -15 kHz. Q is programmable

 

in 1/10th octave steps from 1/10 to 2 octaves.

CD Horn EQ:

Available on high frequency outputs only

Screen EQ:

Available on high frequency outputs only

Delay:

Programmable in 21 µs steps from 0 to 21 ms

 

per output

 

Polarity:

Normal, Inverted

 

Mute:

Individual mutes on each screen channel output

Subwoofer:

 

 

Output Stage Type:

Single ended (balanced impedance)

Output Attenuation Steps:

0 dB to –18 dB in 3 dB steps

Dynamic Range:

99 dB

 

THD+N 20 Hz-20 kHz, +12 dBu

 

 

Input Level, All Filters Flat:

0.02%

 

Filter Topology:

Digitally controlled analog on DCM-1,

 

DSP on DCM-3

 

High Pass Filter:

Linkwitz-Riley 12 dB/octave filter. Q can be

 

programmed as 0.707 or 2, flat or “step-down”

 

operation

 

Mute:

One mute for all subwoofer outputs

Surround Channels:

Hardwire pass-through from processor input via

 

Surround Insert

 

Output Channels (using the

 

 

Surround Insert connector):

2 or 3 selectable on rear panel

Amplifier A.C. Control

 

 

all amps power on with DCM activation

 

 

Emergency Bypass Crossover

 

 

Filter Type:

1st order Butterworth, 2 or 3 way

Attenuation Range (trimpot):

-6 dB to -24 dB

 

Powered Subwoofer Output

 

 

Output Stage Type:

Single ended (balanced impedance)

Output Impedance:

50Ω

 

Maximum Output Level:

+14.2 dBu (4.0 Vrms)

Loading Requirements (total of

 

 

remote & dataport connection):

RMIN = 2k ohms

CMAX = 4 nF

Hearing Impaired Output

 

 

Output Stage Type:

Single ended (balanced impedance)

Output Impedance:

50Ω

 

Nominal Output Level:

-11.8 dBu (200 mVrms)

Loading Requirements:

RMIN = 2k ohms

CMAX = 4 nF

Surround Insert I / O

 

 

Output Stage Type:

Hardwired connection to processor

 

input connector

 

Input Stage Type:

Hardwired connection to DataPort

 

output connector

 

Monitor Speaker

 

 

Dimensions:

4-inch full range driver

Amplifier Output Power:

10 watt class AB amplifier

Frequency Response:

100 Hz – 8 kHz (±2 dB)

Dynamic Processing:

1.5:1 compression

1675 MacArthur Boulevard • Costa Mesa, CA 92626 • Ph: 800/854-4079 or 714/957-7100 • Fax: 714/754-6174

qscaudio.com

DCM Spec Sheet - 02/23/06

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Contents DCM FeaturesLess wiring, faster setup Digital Cinema MonitorsQscaudio.com SpecificationsDCM

DCM-3, DCM-1 specifications

QSC Audio has established itself as a leader in professional audio solutions, and the DCM-1 and DCM-3 are significant additions to its lineup of digital loudspeakers. These advanced digital ceiling mixers are designed for a variety of applications, including corporate spaces, educational institutions, and hospitality venues. Both models are equipped with cutting-edge technologies and features that enhance overall audio performance and user experience.

The DCM-1 offers a single-channel configuration, while the DCM-3 is built to handle three channels, providing flexibility to suit different needs. One of the hallmark features of both models is their intuitive user interface, which simplifies operation. With its clear LCD display and user-friendly controls, users can quickly adjust settings, manage inputs, and monitor performance without a steep learning curve.

Both DCM models come with built-in DSP (Digital Signal Processing) capabilities. This technology enables users to optimize audio performance by applying various filters, EQ settings, and delay adjustments. The DSP functions ensure that sound is tailored to the acoustics of the environment, providing clear and balanced audio across all frequencies.

In terms of connectivity, the DCM-1 and DCM-3 support a variety of inputs, including microphone, line-level, and digital sources. This versatility allows for seamless integration with existing audio equipment and ensures compatibility with a wide array of sound sources. Additionally, they feature USB ports for firmware updates, enhancing longevity and adaptability as new technologies emerge.

The robust construction of both models ensures durability, making them suitable for use in high-traffic areas. Their compact size allows for easy installation in ceilings, maximizing space while delivering high-quality sound.

Another notable feature of the DCM-1 and DCM-3 models is their ability to work in conjunction with the Q-SYS ecosystem. This integration facilitates remote control and monitoring, enabling users to manage audio setups virtually from anywhere. This capability is especially beneficial for venues that require centralized control of multiple audio zones.

In summary, the QSC Audio DCM-1 and DCM-3 are impressive digital ceiling mixers that provide advanced audio processing, exceptional connectivity options, and user-friendly operation. Their robust build and compatibility with the Q-SYS ecosystem further enhance their appeal, making them ideal solutions for a wide range of professional audio applications. With these models, QSC continues to deliver innovative audio technologies that meet the demands of modern sound environments.
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