


DCA1824 | 4-Channel Power Amplifier 175 Watt
FEATURES
The DCA 1644 is perfect for powering screen channels in small to medium theatres, or for powering mids and highs in tri-amp systems for larger theatres.
DCAs are equipped with a DataPort for use with DCM/DCP - Digital Cinema Monitor; Digital Cinema Processor, a total system solution that greatly reduces labor & wiring costs.
Compact size (2-RU, 14-inch deep) ideal for use in console-mounted sound systems
All models weigh only 21 pounds, for easier racking and shipping.
Active Inrush Limiting won't blow circuit breakers at turn-on.
Gain control security cover protects amp from misadjustment.
3 year warranty plus optional 3 year extended service contract!
SPECIFICATIONS | ||
8Ω, 20 Hz–20 kHz, 0.05% THD | Continuous Avg. output per channel 250 W | Continuous Avg. output per channel 170 W |
4Ω, 20 Hz–20 kHz 0.1% THD | 400 W (1 kHz) | 250 W |
EIA: 1 kHz, 1% THD @ |
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BRIDGED MONO MODE |
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16Ω, 20 Hz–20 kHz, 0.1% THD | 500 W | 340 W |
8Ω, 20 Hz–20 kHz, 0.1% THD | 800 W (0.1% THD, 1 kHz) | 500 W |
4Ω, 1 kHz, 1% THD | not rated | 900 W |
Signal to Noise | - 105 dB | - 105 dB |
Input Sensitivity | 1.12 V rms | 0.93 V rms |
Input Sensitivity | 1.0 V rms | 0.8 V rms |
Output Circuitry Class Type | AB+B | AB+B |
Distortion (SMPTE-IM) | < 0.01% | < 0.01% |
| BOTH MODELS | |
Distortion (Typical) |
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Frequency Response | 20 Hz–20 kHz, ± 0.2 dB | |
Damping Factor 1 kHz and below |
Greater than 500
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Input Impedance |
10 kΩ unbalanced, 20 kΩ balanced
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Input Clipping |
10 V rms (+22 dBu)
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Cooling |
Variable-speed fan, rear-to-front air flow
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Connectors, each channel |
Input: 3-pin detachable terminal blocks
DataPort: One HD15 per pair of channels
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Voltage Gain at 8 ohms |
40x (32 dB)
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Controls |
Front: AC switch, Ch. 1,2,3 and 4 recessed gain knobs
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Indicators |
1 each per channel:
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Amplifier Protection |
Full short circuit, open circuit, thermal, ultrasonic, and RF protection.
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Load Protection |
On/off muting, DC-fault power supply shutdown
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Dimensions (HWD) inches | 3.5 x 19 x 14 | |
Dimensions (HWD) mm |
89 x 483 x 356
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Weight |
21 lb (9.5 kg) net
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Optional Accessories |
SF-3 Subwoofer Filter, an adjustable highpass filter for subwoofers | |