QSC Audio CMX300V Car Amplifier User Manual


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Continuous average output power per channel
CMX Series
Preliminary Specifications
qscaudio.com
Specifications subject to change without notice.
1675 MacArthur Boulevard • Costa Mesa, CA 92626 • Ph: 800/854-4079 or 714/957-7100 • Fax: 714/754-6174
CMX Spec Sheet 06/11/2010
©2010 QSC Audio Products, LLC. All rights reserved. QSC and the QSC logo are registered trademarks of QSC Audio Products, LLC in the U.S. Patent and Trademark office
and other countries. Speakon is a trademark of Neutrik. All other trademarks are the property of their respective owners. Patents may apply or be pending.
CMX300V CMX500V CMX800V CMX2000V
Stereo Mode (both channels driven)
8Ω / FTC 20 Hz – 20 kHz / 0.1% THD
8Ω / EIA 1 kHz / 0.1% THD
4Ω / FTC 20 Hz – 20 kHz / 0.1% THD
4Ω / EIA 1 kHz / 0.5% THD
2Ω / EIA 1 kHz / 1% THD
70V Direct Drive / EIA 1 kHz / 1% THD
100V Direct Drive / EIA 1 kHz / 1% THD
185 W
200 W
280 W
300 W
430 W
–
–
260 W
300 W
400 W
500 W
700 W
–
–
450 W
500 W
650 W
800 W
1200 W
400 W
–
1050 W
1100 W
1600 W
2000 W (1% THD)
2500 W
2500 W
1000 W
Bridge Mono Mode
8Ω / FTC 20 Hz – 20 kHz / 0.1% THD
8Ω / EIA 1 kHz / 0.1% THD
4Ω / EIA 1 kHz / 1% THD
70V Direct Drive / EIA 1 kHz / 1% THD
100V Direct Drive / EIA 1 kHz / 1% THD
530 W
600 W
830 W
600 W
–
800 W
900 W
1400 W
1200 W
600 W
1300 W
1500 W
2400 W
2000 W
2300 W
3200 W
3600 W
5000 W
5000 W
3600 W
Signal to Noise (20 Hz – 20 kHz, 8Ω) > -100 dB > - 100 dB > - 100 dB > - 100 dB
Input Sensitivity at 8Ω 1.15 V (+3.4 dBu) 1.14 V (+3.4 dBu) 1.23 V (+4.0 dBu) 1.42 V (+5.3 dBu)
Voltage Gain at 8Ω 31.6x (30 dB) 40x (32 dB) 46x (33 dB) 64x (36 dB)
Output Circuitry Class AB Class AB 2-tier Class H 3-tier Class H
Power Requirements
Typical, 1/8 power pink noise at 4Ω, 120 VAC
Typical, 1/8 power pink noise at 4Ω, 230 VAC
Severe, 1/3 power pink noise at 4Ω, 120 VAC
Severe, 1/3 power pink noise at 4ΩΩ, 230 VAC
4.4 A
2.2 A
6.6 A
3.3 A
5.4 A
2.7 A
9.6 A
4.8 A
6.3 A
3.2 A
15.6 A
7.8 A
13.9 A
7 A
26.9 A
13.5 A
Distortion (SMPTE-M) < 0.02% < 0.01% < 0.01% < 0.01%
Distortion (typical)
20 Hz – 20 kHz: 10 dB below rated power
1.0 kHz and below: full-rated power
< 0.03% THD / 4Ω and 8Ω
< 0.03% THD / 4Ω and 8Ω
Frequency Response 20 Hz – 20 kHz: ±1 dB -3 dB points: 5 Hz – 50 kHz
Damping Factor (1 kHz and below) > 300 at 8Ω
Input Impedance 10k ohms unbalanced, 20k ohms balanced
Input Clipping 10 Vrms (+22 dB)
Cooling Continuously variable-speed fan, rear-to-front air flow
Connectors (each channel) Input: Active balanced; barrier strip, XLR and ¼" (6.3 mm) – TRS tip and XLR pin 2 positive
Output: Detachable terminal block and Neutrik™ Speakon™
Controls Front: AC switch, Ch. 1 & 2 gain knobs
Rear: 10-position DIP switch
Indicators Power-on: Green LED / Signal: Green LED (1 per channel) / Clip: Red LED (1 per channel)
Amplifier Protection Stable into reactive or mismatched loads
Load Protection On/off muting, AC coupling (CMX300V and CMX500V), triac crowbar (CMX800V and CMX2000V on each channel)
Power Requirements 120 and 230 VAC, 50 – 60 Hz
Dimensions (HWD)
2 RU models
3 RU model (CMX2000V)
3.5" (8.9 cm) 2 rack spaces x 19" (48.3 cm) rack mounting x 15.9" (40 cm) deep to rear support ears
5.25" (13.3 cm) 3 rack spaces x 19" (48.3 cm) rack mounting x 15.9" (40 cm) deep to rear support ears
Weight - Net 35 lb (15.9 kg) 40 lb (18.2 kg) 44.5 lb (20.2 kg) 75 lb (33.1 kg)
Weight - Shipping 41 lb (18.6 kg) 46 lb (20.9 kg) 50.5 lb (23 kg) 87 lb (37.2 kg)
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