Overview
FEATURES
- The DCA 1824 is ideal for surround channels - each channel can power up to four 8 ohms speakers in parallel for a total of up to 16 speakers.
- DCAs are equipped with a DataPort for use with QSC 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 170 W
- 4Ω, 20 Hz–20 kHz 0.1% THD: 250 W
- EIA: 1 kHz, 1% THD @
- 4Ω:-
- 2Ω: 450 W
- BRIDGED MONO MODE
- 16Ω, 20 Hz–20 kHz, 0.1% THD: 340 W
- 8Ω, 20 Hz–20 kHz, 0.1% THD: 500 W
- 4Ω, 1 kHz, 1% THD: 900 W
- Signal to Noise 20 Hz–20 kHz, unweighted: - 105 dB
- Input Sensitivity full rated power @ 8 ohms: 0.93 V rms
- Input Sensitivity full rated power @ 4 ohms: 0.8 V rms
- Output Circuitry Class Type: AB+B
- Distortion (SMPTE-IM): < 0.01%
- BOTH MODELS
- Distortion (Typical)
- 20 Hz–20 kHz: 10 dB below rated power: Less than 0.02% THD @ 8 and 4 ohms
- 1.0 kHz and below: full rated power: Less than 0.02% 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: 3-pin detachable terminal blocks
- Output: Safety-shrouded barrier strip, including monitor output
- DataPort: One HD15 per pair of channels
- Voltage Gain at 8 ohms: 40x (32 dB)
- Controls
- Front: AC switch, Ch. 1,2,3 and 4 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 ON: 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)
- SF-3 Subwoofer Filter, an adjustable highpass filter for subwoofers
- LF-3 Low Frequency Filter, used with the XC-3 for tri-amp applications
