Crystal-clear, seat-shaking cinema sound is here with our DCA Series Digital Cinema Amplifiers. Five 21 lb, two rack space models offer power points from 200 to 1700W per channel. With QSCs exclusive PowerLight switching technology youll hear ultra powerful bass and superior highs in every action scene. In addition to their superior performance, weve packed these amplifiers with useful features and every input/output connector youll ever need.
Features
Active Inrush Limiting – won’t blow circuit breakers at turn-on
Both speaker and monitor panel outputs
Exclusive PowerLight power supply for great bass
A hum-free noise floor and ultra-low distortion
Only 3.5 inches high; even the most powerful systems can be built with only one rack
DataPort interface for DCP Digital Cinema Processors and DCM Digital Cinema Monitors
Patented Output Averaging short circuit protection
14-inch deep – works with standard depth racks for lower cost and less floor space
Only 21 pounds, for easier racking and shipping – no need to remove amps from pre-wired systems before shipping
Gain control security cover protects amp against tampering and misadjustment
Variable-speed fan cooling and back-to-front air flow
Neutrik Speakon and safety-shrouded barrier strip output connectors
LED indicators for metering, status, and operating mode
SPECIFICATIONS
DCA 1222
8, 20 Hz20 kHz, 0.03% THD
200 W
4, 20 Hz20 kHz 0.05% THD
325 W
EIA: 1 kHz, 1% THD @842
215 W375 W600 W
BRIDGED MONO MODE
16, 20 Hz20 kHz, 0.1% THD
400 W
8, 20 Hz20 kHz, 0.1% THD
700 W
4, 1 kHz, 1% THD
1200 W
Signal to Noise20 Hz20 kHz, unweighted
> 106 dB
Input Sensitivityfull rated power @ 8 ohms
1.0 V rms+2.2 dBu
Input Sensitivityfull rated power @ 4 ohms
0.9 V rms+1.3 dBu
Output Circuitry Class Type
AB
Distortion (SMPTE-IM)
<0.01%
ALL MODELS
Distortion (Typical)20 Hz20 kHz: 10 dB below rated power1.0 kHz and below: full rated power
Less than 0.01% THD @ 8 and 4 ohmsLess than 0.01% THD @ 8 and 4 ohms
Frequency Response(LF filter switched off)
20 Hz20 kHz,0.2 dB8 Hz50 kHz, + 0/-3 dB
Damping Factor 1 kHz and below
Greater than 500
Input Impedance
10 k unbalanced, 20 k balanced
Input Clipping
10 V rms (+22 dBu)
Cooling
Variable-speed fan, rear-to-front air flow
Connectors, each channel
Input: 1/4″ TRS, 3-pin XLR & 3-pin detachable terminal blockOutput: Neutrik Speakon and safety-shrouded barrier strip, including Monitor outputDataPort: One HD15
Voltage Gain at 8 ohms
40x (32 dB)
Controls
Front: AC switch, Ch. 1 and Ch. 1 recessed gain knobsRear: DIP switch (Clip Limiter on/off, each channel; LF Filter on/off, each channel; LF Filter Freq select 30 or 50 Hz, each channel; Inputs Parallel or Stereo; Bridge Mode)
Indicators
1 each per channel:CLIP/PROT: Red LEDLEVEL -10 dB: Green LEDLEVEL -20 dB: Green LEDSIGNAL -35 dB: Green LEDBRIDGED: Yellow LEDPARALLEL INPUTS: Yellow LEDPOWER: Green LED
Amplifier Protection
Full short circuit, open circuit, thermal, ultrasonic, and RF protection.Stable into reactive or mismatched loads.
