Specifications 2-channel low-impedance models – QSC Audio CX502 User Manual

Page 10

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10

Specifications 2-Channel Low-Impedance Models

CX302

CX502

CX702

CX902

CX1102

OUTPUT POWER (Watts)

20 - 20k Hz, 0.03% THD, 8 Ohms/Ch.

200

300

425

550

700

20 - 20k Hz, 0.05% THD, 4 Ohms/Ch.

325

500

700

900

1100

1k Hz, 1.0% THD (EIA), 8 Ohms/Ch.

215

325

475

625

1k Hz, 1.0% THD (EIA), 4 Ohms/Ch.

375

550

825

1050

1k Hz, 1.0% THD (EIA), 2 Ohms/Ch.

600

800

1200

1500

1700

Bridge Mono, 20 - 20k Hz, 0.1% THD, 16 Ohms

400

600

850

1100

1400

Bridge Mono, 20 - 20k Hz, 0.1% THD, 8 Ohms

700

1000

1500

2000

Bridge Mono, 1k Hz, 1.0% THD, 8 Ohms
Bridge Mono, 1k Hz, 1.0% THD, 4 Ohms

1200

1600

2400

3000

3400

DISTORTION, SMPTE-IM

<0.01%

<0.01%

<0.02%

<0.02%

<0.02%

FREQUENCY RESPONSE

20 - 20k Hz, ±0.2dB at 10dB below rated output power, all models (-3dB points: 8 Hz and 100 kHz)

SIGNAL to NOISE, unweighted, 20 - 20k Hz

-106 dB

-107 dB

-106 dB

-104 dB

-106 dB

VOLTAGE GAIN

31.5x (30dB)

40.0x (32dB)

50.5x (34dB)

56.6x (35dB)

56.6x (35dB)

INPUT SENSITIVITY, Vrms

for rated power into 8 Ohms

1.26 (+4.2dBu)

1.23 (+4.0dBu)

1.16 (+3.5dBu)

1.17 (+3.6dBu)

1.35 (+4.8dBu)

for rated power into 4 Ohms

1.14 (+3.4dBu)

1.12 (+3.2dBu)

1.05 (+2.6dBu)

1.06 (+2.7dBu)

1.17 (+3.6dBu)

OUTPUT CIRCUIT TYPE AB

AB

H

H

H

INPUT IMPEDANCE

6k ohms unbalanced, 12k ohms balanced, all models

DYNAMIC HEADROOM

2 dB at 4 Ohms, all models

DAMPING FACTOR

>500 at 8 Ohms, all models

AMPLIFIER PROTECTION

Short circuit, open circuit, thermal, ultrasonic and RF protection. Stable into reactive or mismatched loads

COOLING

Continuously variable speed fan; back-to-front air flow through heat sink tunnel

CONTROLS

Front:

AC POWER switch, gain controls (1 control per channel, 21 detents)

Back:

10-position DIP switch with Clip Limiter (1 per Ch.), LF Filter on/off (1 per Ch.)
LF filter select: 33 or 50 Hz (1 per Ch.), Stereo/Parallel/Bridge mode selection switches

LED INDICATORS

POWER (green, 1 each), SIGNAL, -10dB, -20dB (green, 1 each per Ch.), CLIP (red, 1 each per channel),
BRDG and PAR (yellow, 1 each)

CONNECTORS

Input:

3-pin terminal blocks ("euro" or "Phoenix" type) and XLRs (pin 2 positive)

Output: barrier strip connectors with protective shroud
Other:

QSC DataPort connector (supports full “V1”feature set)

LOAD PROTECTION

Turn-on/turnoff muting, AC coupling (DC fault blocking), Clip limiting.

POWER REQUIREMENTS

Refer to rear panel serial number label. Configured at factory for 100, 120 or 220-240 VAC, 50- 60 Hz.

DIMENSIONS

19.0" (48.3 cm) W, 3.5" (8.9 cm) H, 14" (35.6 cm) D (from front mounting rails, including rear support ears)

WEIGHT

21 pounds (9.5 kg) net; 27 pounds (12.3 kg) shipping

SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE

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