Manuals / QSC Audio / Home Audio / Stereo Amplifier

QSC Audio DCA 1644, DCA 1222, DCA 1824, DCA 1622, DCA 2422 DCA1824, DCA1644 Output Power in watts

Models: DCA 2422 DCA 1824 DCA 3022 DCA 1644 DCA 3422 DCA 1622 DCA 1222

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S P E C I F I C A T I O N S

 

S P É C I F I C A T I O N S

TECHNISCHE DATEN

ESPECIFICACIONES

 

DCA1824

 

 

 

DCA1644

 

 

 

OUTPUT POWER in watts

 

 

 

 

 

 

 

 

FTC: 20 Hz–20 kHz @ 0.03% THD,

 

 

 

 

 

 

 

 

all channels driven

 

 

 

 

 

 

 

 

8 ohms per channel

170

 

 

 

250

 

 

 

FTC: 20 Hz–20 kHz @ 0.05% THD,

 

 

 

 

 

 

 

 

all channels driven

 

 

 

 

 

 

 

 

4 ohms per channel

325

 

 

 

 

 

 

 

FTC: 20 Hz–20 kHz @ 1% THD,

 

 

 

 

 

 

 

 

all channels driven

 

 

 

 

 

 

 

 

4 ohms per channel

 

 

 

 

400

 

 

 

EIA: 1 kHz @ 1% THD, one channel driven

 

 

 

 

 

 

 

 

8 ohms per channel

 

 

 

 

 

 

 

 

4 ohms per channel

 

 

 

 

450

 

 

 

2 ohms per channel

450

 

 

 

 

 

 

 

Bridge Mono:

 

 

 

 

 

 

 

 

16 ohms, 20 Hz–20 kHz, 0.1% THD

340

 

 

 

500

 

 

 

8 ohms, 20 Hz–20 kHz, 0.1% THD

650

 

 

 

900

 

 

 

4 ohms, 1 kHz, 1% THD

900

 

 

 

 

 

 

 

(both channel pairs driven, 4Ch. models)

 

 

 

 

 

 

 

 

DYNAMIC HEADROOM

2 dB @ 4 ohms

 

 

 

 

 

 

 

DISTORTION

 

 

 

 

 

 

 

 

SMPTE-IM

< 0.01%

 

 

 

< 0.01%

 

 

 

FREQUENCY RESPONSE

20 Hz–20 kHz, ±0.15 dB

 

 

 

 

 

(at 10 dB below rated output power)

-3 dB points: 5 Hz and

100 kHz

 

 

 

 

DAMPING FACTOR

> 500 @ 8 ohms

 

 

 

 

 

 

 

NOISE (unweighted 20 Hz to 20 kHz, below rated output)

106 dB

 

 

 

107 dB

 

 

 

VOLTAGE GAIN

40× (32 dB)

 

 

 

 

 

 

 

INPUT SENSITIVITY, V RMS

 

 

 

 

 

 

 

 

full rated power @ 8 ohms

0.93v (+1.6 dBu)

 

 

 

1.12v (+3.2 dBu)

full rated power @ 4 ohms

0.80v (+0.3 dBu)

 

 

 

1.00v (+2.2 dBu)

INPUT IMPEDANCE

10K ohms unbalanced

 

 

 

 

 

 

20K ohms balanced

 

 

 

 

 

# OF CHANNELS

4

 

 

 

4

 

 

 

CONTROLS

Front: AC switch, Ch. 1–4 gain knobs with 21 detents

 

 

 

 

Rear: two 10-position DIP switches

 

 

 

 

INDICATORS

POWER:

Green LED

CLIP:

Red LED, 1 per channel

 

PARALLEL:

Yellow LED

-10 dB:

Green LED, 1 per channel

 

BRIDGED:

Yellow LED

-20 dB:

Green LED, 1 per channel

 

SIGNAL:

Green LED, 1 per channel

 

 

 

CONNECTORS

Input: Detachable "Euro-style" terminal blocks (1 per channel)

 

Output: Two barrier strips

 

 

 

 

 

Two HD-15 female connector for QSControl or DCM Digital Cinema Monitor

COOLING

Forced-air, with variable-speed fan; back-to-front air flow

AMPLIFIER PROTECTION

Full short circuit, open circuit, thermal, ultrasonic, and RF protection

 

Stable into reactive or mismatched loads

 

 

 

 

 

 

 

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QSC Audio DCA 1644, DCA 1222, DCA 1824, DCA 1622, DCA 2422, DCA 3422, DCA 3022 user manual DCA1824, DCA1644 Output Power in watts
Page 35 Page 37

DCA 2422, DCA 1824, DCA 3022, DCA 1644, DCA 3422 specifications

The QSC Audio DCA 1222 is a powerful digital amplifier designed for professional audio applications. Known for its reliability and performance, the DCA 1222 is ideal for live sound, installations, and touring environments. This amplifier offers a seamless blend of advanced technologies and user-friendly features, making it a top choice among audio engineers and sound professionals.

One of the standout features of the DCA 1222 is its robust power handling capability. With a power output of 2,200 watts, it can drive a variety of speaker systems, making it versatile enough for different setups. The amplifier provides two channels, allowing for flexible system configurations. Each channel can deliver a solid 1,100 watts at 4 ohms, ensuring powerful audio output without distortion.

The DCA 1222 employs QSC’s exclusive PowerWave technology, which optimizes performance and efficiency. This technology ensures that the amplifier runs cool, even under high load, which is crucial for prolonged usage in demanding environments. Additionally, the Class D circuitry contributes to the lightweight design of the amplifier, facilitating easy transport and installation.

In terms of connectivity, the DCA 1222 comes equipped with a comprehensive array of input and output options. It features both XLR and TRS inputs, making it compatible with a wide range of audio sources. The output connectors are designed to work seamlessly with various speaker systems. Moreover, the amplifier includes a gain control for each channel, allowing users to fine-tune the audio levels according to the specific needs of their setup.

Built-in processing features enhance the overall functionality of the DCA 1222. It includes a selection of comprehensive crossovers, limiters, and equalization options, allowing for precise sound shaping. This level of control helps ensure optimal performance in different acoustic environments.

The amplifier also features an intuitive front-panel LCD display, providing real-time feedback on performance metrics such as output levels, temperature, and protection indicators. This user-friendly interface simplifies monitoring and allows for quick adjustments during live events.

In summary, the QSC Audio DCA 1222 is a powerhouse amplifier equipped with advanced technologies, high power output, extensive connectivity options, and user-friendly features. Its design and capabilities make it a reliable choice for professional audio applications, ensuring exceptional sound quality and performance in any setting.