FEATURES

• Active Inrush Limiting - won't blow circuit breakers at turn-on (a QSC cinema exclusive!)
• Both speaker and monitor panel outputs (a QSC cinema exclusive!)
• Exclusive PowerLight power supply for great bass (a QSC cinema exclusive!)
• A hum-free noise floor and ultra-low distortion
• Optional crossover modules for bi-amp, tri-amp and subwoofer applications
• 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 - a QSC cinema exclusive!
• 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 (a QSC cinema exclusive!)

SPECIFICATIONS	DCA 1222	DCA 1622	DCA 2422	DCA 3022	DCA 3422
8Ω, 20 Hz–20 kHz, 0.03% THD	200 W	300 W	425 W	550 W	700 W
4Ω, 20 Hz–20 kHz 0.05% THD	325 W	500 W	700 W	900 W	1100 W
EIA: 1 kHz, 1% THD @ 8Ω 4Ω 2Ω	215 W 375 W 600 W	350 W 600 W 800 W	475 W 825 W 1200 W	625 W 1050 W 1500 W	800 W 1250 W 1700 W
	BRIDGED MONO MODE
16Ω, 20 Hz–20 kHz, 0.1% THD	400 W	600 W	850 W	1100 W	1400 W
8Ω, 20 Hz–20 kHz, 0.1% THD	700 W	1100 W	1500 W	2000 W	2200 W
4Ω, 1 kHz, 1% THD	1200 W	1600 W	2400 W	3000 W	3400 W
Signal to Noise 20 Hz–20 kHz, unweighted	> 106 dB	> 107 dB	> 108 dB	> 107 dB	> 107 dB
Input Sensitivity full rated power @ 8 ohms	1.0 V rms +2.2 dBu	1.2 V rms +3.9 dBu	1.5 V rms +5.5 dBu	1.7 V rms +6.8 dBu	1.9 V rms +7.8 dBu
Input Sensitivity full rated power @ 4 ohms	0.9 V rms +1.3 dBu	1.1 V rms +3.2 dBu	1.3 V rms +4.6 dBu	1.5 V rms +5.7 dBu	1.7 V rms +6.8 dBu
Output Circuitry Class Type	AB	AB	2-Step H	2-Step H	2-Step H
Distortion (SMPTE-IM)	< 0.01%	< 0.01%	< 0.02%	< 0.02%	< 0.02%
	ALL MODELS
Distortion (Typical) 20 Hz–20 kHz: 10 dB below rated power 1.0 kHz and below: full rated power	Less than 0.01% THD @ 8 and 4 ohms Less than 0.01% THD @ 8 and 4 ohms
Frequency Response (LF filter switched off)	20 Hz–20 kHz, ± 0.2 dB 8 Hz–50 kHz, + 0/-3 dB
Damping Factor 1 kHz and below	Greater than 500
Input Impedance	10 kΩ unbalanced, 20 kΩ 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 block Output: Neutrik Speakon® and safety-shrouded barrier strip, including Monitor output DataPort: One HD15
Voltage Gain at 8 ohms	40x (32 dB)
Controls	Front: AC switch, Ch. 1 and Ch. 1 recessed gain knobs Rear: 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 LED LEVEL -10 dB: Green LED LEVEL -20 dB: Green LED SIGNAL -35 dB: Green LED BRIDGED: Yellow LED PARALLEL INPUTS: Yellow LED POWER: Green LED
Amplifier Protection	Full short circuit, open circuit, thermal, ultrasonic, and RF protection. Stable into reactive or mismatched loads.
Load Protection	On/off muting, DC-fault power supply shutdown
Dimensions (HWD) inches	3.5 x 19 x 14
Dimensions (HWD) mm	89 x 483 x 356
Weight	21 lb (9.5 kg) net
Optional Accessories Download the Cinema Accessories for DCA Amps User Manual (PDF 410k)	XC-3 Cinema Crossover, for bi-amp applications with all commonly used cinema speakers SF-3 Subwoofer Filter, an adjustable highpass filter for subwoofers LF-3 Low Frequency Filter, used with the XC-3 for tri-amp applications

POWER PER CHANNEL, STEREO MODE, both channels driven

CURRENT CONSUMPTION		DCA 1222	DCA 1622	DCA 2422	DCA 3022	DCA 3422
Idle current (no audio program material)		0.8 A	0.9 A	0.9 A	0.9 A	0.9 A
1/8 Power (Pink Noise) (typical of program material at maximum unclipped or rarely clipping power)	8 ohms 4 ohms 2 ohms	3.8 A 6.0 A 9.6 A	5.6 A 9.0 A 14.0 A	5.0 A 7.9 A 11.8 A	6.0 A 9.5 A 14.0 A	7.6 A 11.6 A 16.6 A
1/3 Power (Pink Noise) (typical of program material with severe clipping)	8 ohms 4 ohms 2 ohms	5.4 A 8.9 A 14.3 A	8.0 A 13.3 A 21.0 A	8.4 A 13.5 A 22.0 A	11.0 A 17.0 A 27.0 A	13.1 A 20.0 A 30.4 A
Note: values are for 120 VAC; multiply values by 0.5 for 230V units

THERMAL LOSSES (ALL MODELS)
		Idle		1/8 Power (pink noise)		1/3 Power (pink noise)		Full Power (sine)
Model	Load	BTU/hr	kcal/hr	BTU/hr	kcal/hr	BTU/hr	kcal/hr	BTU/hr	kcal/hr
DCA1222	8 ohms + 8 ohms 4 ohms + 4 ohms 2 ohms + 2 ohms	200 200 200	50 50 50	565 995 1740	145 250 440	720 1245 2255	180 315 570	715 1295 2425	180 325 610
DCA1622	8 ohms + 8 ohms 4 ohms + 4 ohms 2 ohms + 2 ohms	165 165 165	40 40 40	910 1570 2560	230 395 645	1130 1945 3470	285 490 875	1090 1875 3585	275 475 905
DCA2422	8 ohms + 8 ohms 4 ohms + 4 ohms 2 ohms + 2 ohms	200 200 200	50 50 50	790 1310 2255	200 330 570	1080 1910 3190	275 480 805	1245 2320 4610	315 585 1160
DCA3022	8 ohms + 8 ohms 4 ohms + 4 ohms 2 ohms + 2 ohms	220 220 220	55 55 55	900 1525 2305	225 385 580	1415 2560 4265	355 645 1075	1705 3070 5835	430 775 1470
DCA3422	8 ohms + 8 ohms 4 ohms + 4 ohms 2 ohms + 2 ohms	225 225 225	57 57 57	1195 2135 3975	300 540 1000	1760 2335 5210	445 590 1315	2050 3755 NA	515 945 NA

All specifications are subject to change without notice.