QSC CMX300V, User Manual, Page: 19 / 100

19
ENG
CMX 300V CMX 500V CMX 800V
Stereo Mode (both channels driven)
8 Ω / FTC 20 Hz - 20 kHz / 0.1% THD
8
Ω
/ EIA 1 KHZ / 0.1% THD
4
Ω
/ FTC 20 HZ - 20 KHZ / 0.1% THD
4 Ω / EIA 1 KHZ / 0.5% THD
2
Ω
/ EIA 1 KHZ / 1% THD
70 V - Direct drive / EIA 1 kHz / 1% THD
185 W
200 W
280W
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
Bridge Mono Mode
8
Ω
/ FTC 20 Hz - 20 kHz / 0.1%THD
8 Ω / EIA 1 kHz / 0.1%THD
4
Ω
/ EIA 1 kHz / 1%THD
70 V - Direct drive / EIA 1 kHz / 1% THD
100 V - 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
Distortion (SMPTE-IM) < 0.02% < 0.01% < 0.01%
Signal to Noise (20 Hz – 20 kHz) 8
Ω
> -100 dB
Input Sensitivity 8 Ω 1.15 V (+3.4 dBu) 1.15 V (+3.4 dBu) 1.23 V (+4.0 dBu)
Voltage Gain 30 dB 32 dB 33 dB
Output Circuitry Class AB Class AB 2-tier Class H
Power Requirements
Typical, 1/8 power, pink noise at 4
Ω
120 VAC
230 VAC
Severe, 1/3 power pink noise at 4
Ω
120 VAC
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
Frequency Response 20 Hz – 20 kHz, +0, -1 dB -3 dB points: 5 Hz and 50 kHz
(LF filter bypassed / 8
Ω)
Damping Factor > 300 at 8
Ω
Input Impedance (
Ω)
10 k
Ω
unbalanced / 20 k
Ω
balanced
Input Clipping 10 Vrms (+22 dBu)
Cooling Continuously variable speed fan, back-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 Speakon™
Controls Front: AC Switch, Channel 1 and Channel 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 300V and CMX 500V), triac
crowbar (CMX 800V on each channel)
Dimensions (HWD) 3.5" (2RU) x 19" x 15.9" (89 mm x 483 mm x 400 mm)
Weight - Net / Shipping 35 lb (15.9 kg) / 41 lb
(18.6 kg) 40 lb (18.2 kg) / 46 lb
(20.9 kg) 44.5 lb (20.2 kg) / 50.5 lb
(23.0) kg)
Speci fi cations