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QSC CMX500Va Power Amplifier |
• “Flex-Use” loading options allows CMX Series amps to drive low-impedance loads down to 2 ohms, and certain models can direct-drive (no output transformer) 70V 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" (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 enabling/disabling low-frequency filter protection
• Low-noise variable-speed fans with rear-to-front airflow help keep amplifiers and racks cool
Stereo Mode (both channels driven)
CMX300Va
• 8 ohms FTC 0.1% THD: 185 W
• 8 ohms EIA 0.1% THD: 200 W
• 4 ohms FTC 0.1% THD: 280 W
• 4 ohms EIA 0.5% THD: 300 W
• 2 ohms EIA 1% THD: 430 W
CMX500Va
• 8 ohms FTC 0.1% THD: 260 W
• 8 ohms EIA 0.1% THD: 300 W
• 4 ohms FTC 0.1% THD: 400 W
• 4 ohms EIA 0.5% THD: 500 W
• 2 ohms EIA 1% THD: 700 W
CMX800Va
• 8 ohms FTC 0.1% THD: 450 W
• 8 ohms EIA 0.1% THD: 500 W
• 4 ohms FTC 0.1% THD: 650 W
• 4 ohms EIA 0.5% THD: 800 W
• 2 ohms EIA 1% THD: 1200 W
• 70V Direct EIA 1% THD: 400 W
CMX2000Va
• 8 ohms FTC 0.1% THD: 1050 W
• 8 ohms EIA 0.1% THD: 1100 W
• 4 ohms FTC 0.1% THD: 1600 W
• 4 ohms EIA 0.5% THD: 2000 W*
• 2 ohms EIA 1% THD: 2500 W
• 70V Direct EIA 1% THD: 2500 W
• 100V Direct EIA 1% THD: 1000 W
• FTC: 20 Hz–20 kHz after preconditioning
• EIA: 1 kHz
Bridge Mono Mode
CMX300Va
• 8 ohms FTC, 0.1% THD: 530 W
• 8 ohms EIA, 0.1% THD: 600 W
• 4 ohms EIA, 1% THD: 830 W
• 70V Direct Drive EIA, 1% THD: 600 W
CMX500Va
• 8 ohms FTC, 0.1% THD: 800 W
• 8 ohms EIA, 0.1% THD: 900 W
• 4 ohms EIA, 1% THD: 1400 W
• 70V Direct Drive EIA, 1% THD: 1200 W
• 100V Direct Drive EIA, 1% THD: 600 W
CMX800Va
• 8 ohms FTC, 0.1% THD: 1300 W
• 8 ohms EIA, 0.1% THD: 1500 W
• 4 ohms EIA, 1% THD: 2400 W
• 70V Direct Drive EIA, 1% THD: 2000 W
• 100V Direct Drive EIA, 1% THD: 2300 W
CMX2000Va
• 8 ohms FTC, 0.1% THD: 3200 W
• 8 ohms EIA, 0.1% THD: 3600 W
• 4 ohms EIA, 1% THD: 5000W
• 70V Direct Drive EIA, 1% THD: 5000 W
• 100V Direct Drive EIA, 1% THD: 3600 W
FTC: 20 Hz–20 kHz after preconditioning; both channels driven simultaneously
EIA: 1 kHz
Signal to Noise (20 Hz–20 kHz, 8 ohms)
• CMX300Va, CMX500Va, CMX800Va, CMX2000Va: > 100 dB
Input Sensitivity into 8 ohms
• CMX300Va: 1.15 V (+3.4 dBu)
• CMX500Va: 1.14 V (+3.4 dBu)
• CMX800Va: 1.23 V (+4.0 dBu)
• CMX2000Va: 1.42 V (+5.3 dBu)
Max Voltage Gain
• CMX300Va: 31.6× (30 dB)
• CMX500Va: 40× (32 dB)
• CMX800Va: 46× (33 dB)
• CMX2000Va: 64× (36 dB)
Output Circuitry
• CMX300Va: Class AB
• CMX500Va: Class AB
• CMX800Va: 2-tier Class H
• CMX2000Va: 3-tier Class H
Current Draw (pink noise program)
CMX300Va
• Typical, 1/8 power 4 ohms, 120 V: 4.4 A
• Typical, 1/8 power 4 ohms, 230 V: 2.2 A
• Severe, 1/3 power 4 ohms, 120 V: 6.6 A
• Severe, 1/3 power 4 ohms, 230 V: 3.3 A
• Distortion (SMPTE-IM): < 0.02%
CMX500Va
• Typical, 1/8 power 4 ohms, 120 V: 5.4 A
• Typical, 1/8 power 4 ohms, 230 V: 2.7 A
• Severe, 1/3 power 4 ohms, 120 V: 9.6 A
• Severe, 1/3 power 4 ohms, 230 V: 4.8 A
• Distortion (SMPTE-IM): < 0.01%
CMX800Va
• Typical, 1/8 power 4 ohms, 120 V: 6.3 A
• Typical, 1/8 power 4 ohms, 230 V: 3.2 A
• Severe, 1/3 power 4 ohms, 120 V: 15.6 A
• Severe, 1/3 power 4 ohms, 230 V: 7.8 A
• Distortion (SMPTE-IM): < 0.01%
CMX2000Va
• Typical, 1/8 power 4 ohms, 120 V: 13.9 A
• Typical, 1/8 power 4 ohms, 230 V: 7 A
• Severe, 1/3 power 4 ohms, 120 V: 26.9 A
• Severe, 1/3 power 4 ohms, 230 V: 13.5 A
• Distortion (SMPTE-IM): < 0.01%
Distortion (typical)
• 20 Hz–20 kHz: 10 dB below rated power: < 0.03% THD / 4 ohms and 8 ohms
• 1.0 kHz and below: full rated power: < 0.03% THD / 4 ohms and 8 ohms
• Frequency Response: 20 Hz–20 kHz: ±1 dB; -3 dB points: 5 Hz and 50 kHz
• Damping Factor (1 kHz and below): > 300 at 8 ohms
• Input Impedance: 10 k ohms unbalanced, 20 k ohms balanced
• Input Clipping: 10 V rms (+22 dBu)
• 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, Channels 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 (CMX 300Va and CMX 500Va), triac crowbar (CMX 800Va and CMX 2000Va on each channel)
• Power Requirements: 120 or 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 (CMX 2000Va)
• 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
CMX300Va
• Weight - Net: 35 lb (15.9 kg)
• Weight - Shipping: 41 lb (18.6 kg)
CMX500Va
• Weight - Net: 40 lb (18.2 kg)
• Weight - Shipping: 46 lb (20.9 kg)
CMX800Va
• Weight - Net: 44.5 lb (20.2 kg)
• Weight - Shipping: 50.5 lb (23 kg)
CMX2000Va
• Weight - Net: 75 lb (33.1 kg)
• Weight - Shipping: 87 lb (37.2 kg)
QSC CMX500Va Power Amplifier