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   NAVIGATION HELPER:  » » » CMX 500Va
QSC CMX 500Va 2-Channel Power Amplifier
 
QSC CMX 500Va 2-Channel Power Amplifier
Model No: CMX 500Va
Part No: CMX500Va
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The CMX 500Va is an economical and rugged power amplifier designed to meet the needs of system integrators. It is based upon the proven, rock-solid, reliable performance found in the award winning RMX Series.

The CMX 500Va feature set is designed for wide-ranging application in facilities such as performance halls, houses of worship, sports clubs, gymnasiums, dance venues, pubs, and FGM/BGM systems. The CMX 500Va provides unmatched performance, the right power for the job and an affordable price point.

Proven and Reliable Power Plant

CMX 500Va amplifier incorporate everything QSC has learned in more than forty years of striving to deliver worry-free operations without failures. The design of these amplifiers starts with our world-class power supplies. The CMX 500Va uses a powerful, high-current toroidal transformer and filtering to ensure generous energy reserves. This allows the amplifiers to effortlessly handle high-level transients, even when driving abusive 2 ohm speaker loads.

CMX 500Va amplifier is protected from damage from shorted outputs. Automatic current limiting protects the amplifier from damage until the short is corrected. CMX 500Va amplifier also feature DC protection systems to prevent loudspeaker damage inthe unlikely event of an output transistor failure. DC voltage from the power supply is never passed directly to your speakers, even in the event of an output circuit failure.

Superior Performance
The CMX 500Va amplifier delivers true and accurate studio-quality sound. A full complementary output circuit using high-grade linear output devices generates accurate, flat-frequency response with low distortion.
Applications [Open] [Close]
Commercial Audio
Pro Audio
Features [Open] [Close]
- “Flex-Use” loading options allow you to drive low-impedance loads down to 2 ohms and certain models to drive 70 and 100V distributed loudspeaker systems.
- “Flex-Use” Input connectivity choices including actively balanced barrier strip, XLR, or ¼" TRS.
- “Flex-Use” Output connectivity choices include NL4 Speakon™ and detachable terminal block.
- Rack mountable with chassis less than 16" or 40.6 mm deep.
- 1 dB recessed, detented gain controls for fast, accurate and repeatable settings.
- Tamper-proof security cover for gain controls.
- Recessed rear DIP switches for easy selection of stereo, parallel, or bridged mode operation, and the additional choice of enabling/disabling low frequency filter protection.
- Low-noise variable-speed fans with rear-to-front airflow keep amplifiers and racks cool.
Details [Open] [Close]
ModelCMX 500Va
Product TypeCMX Series Power Amplifier 2RU 2-Ch 500 W @ 4 ohms
Stereo ModeSpecifications
8Ω / FTC 20 Hz – 20 kHz / 0.1% THD260 W
8Ω / EIA 1 kHz / 0.1% THD300 W
4Ω / FTC 20 Hz – 20 kHz / 0.1% THD400 W
4Ω / EIA 1 kHz / 0.5% THD500 W
2Ω / EIA 1 kHz / 1% THD700 W
Bridge-Mono ModeSpecifications
8Ω / FTC 20 Hz – 20 kHz / 0.1% THD800 W
8Ω / EIA 1 kHz / 0.1% THD900 W
4Ω / EIA 1 kHz / 1% THD1400 W
70V Direct Drive / EIA 1 kHz / 1% THD1200 W
100V Direct Drive / EIA 1 kHz / 1% THD600 W
Signal to Noise (20 Hz – 20 kHz, 8Ω)> - 100 dB
Input Sensitivity at 8Ω1.14 V (+3.4 dBu)
Voltage Gain at 8Ω40 x (32 dB)
Output CircuitryClass AB
Power RequirementsSpecifications
Typical, 1/8 power pink noise at 4Ω, 120 VAC5.4 A
Typical, 1/8 power pink noise at 4Ω, 230 VAC2.7 A
Severe, 1/3 power pink noise at 4Ω, 120 VAC9.6 A
Severe, 1/3 power pink noise at 4ΩΩ, 230 VAC4.8 A
Distortion (SMPTE-M)< 0.01%
Distortion (typical)Specifications
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 Response20 Hz – 20 kHz: ±1 dB, -3 dB points: 5 Hz – 50 kHz
Damping Factor (1 kHz and below)> 300 at 8Ω
Input Impedance10k ohms unbalanced, 20k ohms balanced
Input Clipping10 Vrms (+22 dB)
CoolingContinuously variable-speed fan, rear-to-front air flow
Connectors (each channel)Specifications
InputActive balanced; barrier strip, XLR and ¼" (6.3 mm) – TRS tip and XLR pin 2 positive
OutputDetachable terminal block and Neutrik™ Speakon™
ControlsSpecifications
FrontAC switch, Ch. 1 & 2 gain knobs
Rear10-position DIP switch
IndicatorsSpecifications
Power-onGreen LED
SignalGreen LED (1 per channel)
ClipRed LED (1 per channel)
Amplifier ProtectionStable into reactive or mismatched loads
Load ProtectionOn/off muting, AC coupling (CMX 300Va and CMX 500Va)
Load ProtectionTriac crowbar (CMX 800Va and CMX 2000Va on each channel)
Power Requirements120 and 230 VAC, 50 – 60 Hz
Dimensions (HWD)Specifications
2 RU models3.5" H x 19" x 15.9" D with rack mounting (89 mm x 483 mm x 404 mm)
Net Weight40 lbs (18.2 kg)
Shipping Weight46 lbs (20.9 kg)
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