QSC DCA1222 User Manual page 35

OUTPUT POWER in watts
FTC: 20 Hz–20 kHz @ 0.03% THD,
both channels driven
8Ω per channel
FTC: 20 Hz–20 kHz @ 0.05% THD,
both channels driven
4Ω per channel
EIA: 1 kHz @ 1% THD
8W per channel
4W per channel
2W per channel
Bridge Mono:
16W, 20 Hz–20 kHz, 0.1% THD
8W, 20 Hz–20 kHz, 0.1% THD
4W, 1 kHz, 1% THD
DYNAMIC HEADROOM
DISTORTION
SMPTE-IM
FREQUENCY RESPONSE
(at 10 dB below rated output power)
DAMPING FACTOR
NOISE (unweighted 20 Hz to 20 kHz, below rated output)
VOLTAGE GAIN
INPUT SENSITIVITY, V RMS
full rated power @ 8Ω
full rated power @ 4Ω
INPUT IMPEDANCE
# OF CHANNELS
CONTROLS
INDICATORS
CONNECTORS
COOLING
AMPLIFIER PROTECTION
S P E C I F I C AT I O N S S P É C I F I C AT I O N S TECHNISCHE DATEN ESPECIFICACIONES
DCA1222 DCA1622
200 300
325 500
215 325
375 550
600 800
400 600
700 1000
1200 1600
2 dB @ 4Ω
< 0.01% < 0.01%
20 Hz–20 kHz, ±0.15 dB
-3 dB points: 5 Hz and 100 kHz
> 500 @ 8Ω
106 dB 107 dB
40× (32 dB)
1.0v (+2.2 dBu) 1.2v (+3.9 dBu)
0.9v (+1.3 dBu) 1.1v (+3.2 dBu)
10 KΩ unbalanced
20 KΩ balanced
2 2
Front: AC switch, Ch. 1 and Ch. 2 gain knobs with 21 detents
Rear: 10-position DIP switch
POWER: Green LED CLIP:
PARALLEL: Yellow LED -10 dB:
BRIDGED: Yellow LED -20 dB:
SIGNAL: Green LED, 1 per channel
Input: XLR and ¼" (6.3 mm) TRS, tip and pin 2 positive; detachable "Euro-style" terminal blocks
Output: Barrier strip and Neutrik Speakon™
HD-15 female connector for QSControl, DCM Digital Cinema Monitor, or accessories (XC-3, LF-3, or SF-3)
Forced-air, with variable-speed fan; back-to-front air flow
Full short circuit, open circuit, thermal, ultrasonic, and RF protection
Stable into reactive or mismatched loads
DCA2422 DCA3022
425 550
700 900
475 625
825 1050
1200 1500
850 1100
1500 2000
2400 3000
< 0.02% < 0.02%
108 dB 107 dB
1.5v (+5.5 dBu) 1.7v (+6.8 dBu)
1.3v (+4.6 dBu) 1.5v (+5.7 dBu)
2 2
Red LED, 1 per channel
Green LED, 1 per channel
Green LED, 1 per channel
DCA3422
700
1100
800
1250
1700
1400
2200
3400
< 0.02%
107 dB
1.9v (+7.7 dBu)
1.7v (+6.6 dBu)
2
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