DCA 3422

2-Channel Power Amplifier

Features

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 @



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
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
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