QSC DCA 1222 User Manual page 35
Dca digital cinema amplifiers
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Also See for DCA 1222:
- User manual (44 pages) ,
- Specifications (6 pages) ,
- Brochure (1 page)
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OUTPUT POWER in watts
FTC: 20 Hz–20 kHz @ 0.03% THD,
all channels driven
8 ohms per channel
FTC: 20 Hz–20 kHz @ 0.05% THD,
all channels driven
4 ohms per channel
EIA: 1 kHz @ 1% THD, one channel driven
8 ohms per channel
4 ohms per channel
2 ohms per channel
Bridge Mono:
16 ohms, 20 Hz–20 kHz, 0.1% THD
8 ohms, 20 Hz–20 kHz, 0.1% THD
4 ohms, 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 @ 8 ohms
full rated power @ 4 ohms
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 @ 4 ohms
< 0.01%
< 0.01%
20 Hz–20 kHz, ±0.15 dB
-3 dB points: 5 Hz and 100 kHz
> 500 @ 8 ohms
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)
10K ohms unbalanced
20K ohms 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
35
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