Description
QSC
750w into 4ohms x 2, 1300watts Bridged
Now you can have it all.
Superior sound quality, industry leading features, unbeatable reliability and an unheard of price tag!
RMX are QSC’s most cost effective amplifiers ever but they are certainly no compromise, infact RMX incorporates all the facilities and rugged reliability that won QSC four ENTECH awards in a row and accolades around the world.
All models feature clip limiters, low frequency filters, front panel gain controls and comprehensive overload protection.
At QSC you’ve never had to pay more for superior quality now you can pay even less!
FEATURES
Professional quality performance—incorporates road-proven QSC designs
• Compact size — up to 2500 watts in 2 rack spaces
• High-current toroidal transformers for greater 2 ohm power and low noise
• Independent user-defeatable clip limiters reduce distortion
• Selectable low-frequency filters (30 Hz or 50 Hz) protect speakers and increase headroom
• Balanced 1/4” (6.3 mm) TRS, XLR, and barrier strip inputs
• Touch-proof binding post and Neutrik Speakon® outputs
• Front mounted gain controls for easy access
• Signal and Clip LED indicators to monitor performance
• Independent DC and thermal overload protection on each channel automatically protects amplifier and speakers
• 3-year warranty plus optional 3-year extended service contract
• Compact size — up to 2500 watts in 2 rack spaces
• High-current toroidal transformers for greater 2 ohm power and low noise
• Independent user-defeatable clip limiters reduce distortion
• Selectable low-frequency filters (30 Hz or 50 Hz) protect speakers and increase headroom
• Balanced 1/4” (6.3 mm) TRS, XLR, and barrier strip inputs
• Touch-proof binding post and Neutrik Speakon® outputs
• Front mounted gain controls for easy access
• Signal and Clip LED indicators to monitor performance
• Independent DC and thermal overload protection on each channel automatically protects amplifier and speakers
• 3-year warranty plus optional 3-year extended service contract
SPECIFICATIONS
RMX 850a | RMX 1450a | RMX 2450a | |
Stereo Mode (both channels driven) | 185 W | 260 W | 450 W |
8Ω/ FTC 20 Hz – 20 kHz / 0.1% THD | 200 W | 300 W | 500 W |
8Ω/ EIA 1 kHz / 0.1% THD | 280 W | 400 W | 650 W |
4Ω/ FTC 20 Hz – 20 kHz / 0.1% THD | 300 W | 500 W (0.5% THD) | 750 W |
2Ω/ FTC 20 Hz – 20 kHz / 1% THD | 430 W | 700 W | 1200 W |
Bridge-Mono Mode | 530 W | 800 W | 1300 W |
8Ω/ FTC 20 Hz – 20 kHz / 0.1% THD | 600 W | 900 W | 1500 W |
8Ω/ EIA 1 kHz / 0.1% THD | 830 W | 1400 W | 2400 W |
Signal to Noise (20 Hz – 20 kHz) 8Ω | > -100 dB | > -100 dB | > -100 dB |
Distortion (SMPTE-IM) | < 0.01% | < 0.01% | < 0.02% |
Input Sensitivity at 8Ω | 1.15V (+3.4dBu) | 1.15V (+3.4 dBu) | 1.23V (+4.0 dBu) |
Voltage Gain | 31.6x (30 dB) | 40x (32 dB) | 50x (34 dB) |
Power Requirements | 4.5 A | 6.0 A | 6.3 A |
Typical, 1/8 power pink noise at 4Ω* | 6.6 A | 9.6 A | 15.6 A |
Supplied Plug Type, 230V | CEE7/7 | CEE7/7 | CEE7/7 |
Weight | 35 lb (15.9 kg) | 40 lb (18.2 kg) | 44.5 lb (20.2 kg) |
Net | 41 lb (18.6 kg) | 46 lb (20.9 kg) | 50.5 lb (23 kg) |
Distortion (typical) | |||||
20 Hz – 20 kHz: 10 dB below rated power | < 0.03% THD / 4Ωand 8Ω | ||||
1.0 kHz and below: full rated power | < 0.03% THD / 4Ωand 8Ω | ||||
Frequency Response | 20 Hz – 20 kHz: +0/-1 dB -3 dB points: 5 Hz and 50 kHz (LF filter bybassed / 8Ω) | ||||
Damping Factor (1 kHz and below) | > 300 at 8Ω | ||||
Input Impedance | 10k ohms unbalanced / 20k ohms balanced | ||||
Input Clipping | 10 Vrms (+22 dBu) | ||||
Cooling | Continuously variable speed fan, back-to-front air flow | ||||
Connectors (each channel) | Input: Active balanced / 3-pin Euro-style detachable terminal block and XLR (pin 2+) | ||||
Output: Touch-proof binding posts / Neutrik Speakon® | |||||
Controls | Front: AC switch / Ch. 1 & 2 gain knobs | ||||
Rear: 10-position DIP switch | |||||
Indicators | Power-on: Green LED / Signal: Yellow LED (1 per channel) / Clip: Red LED (1 per channel) | Protect: Red LED | ||||
Amplifier Protection | Full short circuit, open circuit, thermal, ultrasonic, RF protection. Stable into reactive or mismatched loads | ||||
Load Protection | Turn-on/off muting / AC coupling (850, 1450) / Triac crowbar ( 2450) on each channel | ||||
Dimensions | 3.5” (8.9 cm) tall / 2 rack spaces | ||||
Power Requirements | 100, 120, 230 VAC, 50 – 60 Hz (factory configured) |
Downloads:
Download User Manual