CMX Series

Preliminary Specifications

 

CMX300V

CMX500V

CMX800V

CMX2000V

 

 

 

 

Stereo Mode (both channels driven)

 

Continuous average output power per channel

 

8Ω / FTC 20 Hz – 20 kHz / 0.1% THD

185 W

260 W

450 W

1050 W

8Ω / EIA 1 kHz / 0.1% THD

200 W

300 W

500 W

1100 W

4Ω / FTC 20 Hz – 20 kHz / 0.1% THD

280 W

400 W

650 W

1600 W

4Ω / EIA 1 kHz / 0.5% THD

300 W

500 W

800 W

2000 W (1% THD)

2Ω / EIA 1 kHz / 1% THD

430 W

700 W

1200 W

2500 W

70V Direct Drive / EIA 1 kHz / 1% THD

400 W

2500 W

100V Direct Drive / EIA 1 kHz / 1% THD

1000 W

Bridge Mono Mode

 

 

 

 

8Ω / FTC 20 Hz – 20 kHz / 0.1% THD

530 W

800 W

1300 W

3200 W

8Ω / EIA 1 kHz / 0.1% THD

600 W

900 W

1500 W

3600 W

4Ω / EIA 1 kHz / 1% THD

830 W

1400 W

2400 W

5000 W

70V Direct Drive / EIA 1 kHz / 1% THD

600 W

1200 W

2000 W

5000 W

100V Direct Drive / EIA 1 kHz / 1% THD

600 W

2300 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

4.4 A

5.4 A

6.3 A

13.9 A

Typical, 1/8 power pink noise at 4Ω, 230 VAC

2.2 A

2.7 A

3.2 A

7 A

Severe, 1/3 power pink noise at 4Ω, 120 VAC

6.6 A

9.6 A

15.6 A

26.9 A

Severe, 1/3 power pink noise at 4ΩΩ, 230 VAC

3.3 A

4.8 A

7.8 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

< 0.03% THD / 4Ω and 8Ω

 

 

1.0 kHz and below: full-rated power

< 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

3.5" (8.9 cm) 2 rack spaces x 19" (48.3 cm) rack mounting x 15.9" (40 cm) deep to rear support ears

3 RU model (CMX2000V)

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)

 

 

 

 

 

Specifications subject to change without notice.

©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.

1675 MacArthur Boulevard • Costa Mesa, CA 92626 • Ph: 800/854-4079 or 714/957-7100 • Fax: 714/754-6174

qscaudio.com

CMX Spec Sheet 06/11/2010

Page 2
Image 2
QSC Audio manual Qscaudio.com, CMX300V CMX500V CMX800V

CMX500V, CMX800V, CMX300V specifications

QSC Audio, a prominent name in professional audio equipment, has unveiled a line of amplifier series that includes the CMX500V, CMX300V, and CMX800V. These amplifiers are designed to deliver superior audio performance and reliability, making them excellent choices for various applications, including live sound, installations, and rental services.

The CMX500V amplifier is a powerhouse, offering an impressive output of 500 watts per channel at 4 ohms. It features a rugged design that ensures durability in demanding environments. One of its key characteristics is the built-in high-efficiency Class H circuitry, which works to minimize power consumption while maintaining exceptional sound quality. The CMX500V is equipped with comprehensive protection circuitry that guards against overheating, short circuits, and overloads, ensuring the longevity of the amplifier and connected components. Additionally, the integrated signal processing features allow for fine-tuning audio output according to specific venue needs.

Moving on to the CMX300V, this model is perfect for smaller venues or applications requiring less power. With an output of 300 watts per channel at 4 ohms, it combines compactness with impressive performance. The CMX300V also utilizes Class H technology, which contributes to its efficiency and low thermal output. Its lightweight design makes it easy to transport, while its robust construction ensures reliability. This amplifier provides a range of inputs and outputs, making it flexible for various connection setups. Its user-friendly interface simplifies operation, ideal for those who may not have extensive technical expertise.

Finally, the CMX800V stands out with its impressive output power of 800 watts per channel at 4 ohms. Designed for larger applications, it provides exceptional headroom and clarity, making it suitable for both live music and installed sound systems. The CMX800V incorporates advanced cooling technology that enhances performance and stability during extended use. Like its counterparts, it features comprehensive protection mechanisms and a built-in fan to regulate temperature efficiently.

In summary, the QSC CMX series amplifiers—CMX500V, CMX300V, and CMX800V—are engineered to meet the demanding needs of audio professionals. With their efficient Class H designs, robust protection features, and versatility, these amplifiers deliver exceptional sound quality and reliability, making them indispensable tools for sound reinforcement in various settings.