QSC RMX 850a 2-Channel Power Amplifier (Discontinued)
Usually arrives in 5-9 business days.
The RMX 5050a amplifier from QSC offers true professional-quality performance at an affordable price. Three 2-rackspace range in power from 430 to 1200 w per channel at 2 ohms. Two 3-rackspace provide 2000 to 2500 w per channel at 2 ohms.
The RMX 5050a features a compact chassis less than 16” deep. RMX 5050a amplifier includes a comprehensive set of features including XLR and 1/4” balanced inputs, Speakon® and binding post outposts for convenient connectivity. User-defeatable clip limiters and selectable low-frequency filters optimize sonic performance.
The QSC’s RMX 5050a power amplifier represents state-of-the-art in professional quality performance at an affordable price. Perfectly suited for a wide range of sound reinforcement applications including professional touring, performing musicians, and mobile entertainers, the RMX 5050a is optimized to deliver high levels of sustained power, extraordinary audio performance and road-proven reliability.
| Stereo Mode | |
|---|---|
| 8Ω / FTC 20 Hz – 20 kHz / 0.1% THD | 1050 W |
| 8Ω / EIA 1 kHz / 0.1% THD | 1100 W |
| 4Ω / FTC 20 Hz – 20 kHz / 0.1% THD | 1600 W |
| 4Ω / EIA 1 kHz / 0.1% THD | 1800 W |
| 2Ω / FTC 20 Hz – 20 kHz / 1% THD | 2000 W |
| 2Ω / EIA 1 kHz / 1% THD | 2500 W |
| Bridge-Mono Mode | |
| 8Ω / FTC 20 Hz – 20 kHz / 0.1% THD | 3200 W |
| 8Ω / EIA 1 kHz / 0.1% THD | 3600 W |
| 4Ω / EIA 1 kHz / 1% THD | 5000 W |
| Signal to Noise (20 Hz – 20 kHz) 8Ω | > -100 dB |
| Distortion (SMPTE-IM) | < 0.02% |
| Input Sensitivity at 8Ω | 1.42V (+5.3 dBu) |
| Voltage Gain | 64x (36 dB) |
| Output Circuitry | 3-tier Class H |
| Power Requirements | |
| Typical, 1/8 power pink noise at 4Ω* | 13.9 A |
| Severe, 1/3 power pink noise at 4Ω* | 26.9 A |
| Supplied Plug Type, 100/120V | NEMA 5-20 |
| Supplied Plug Type, 230V | CEE7/7 |
| Distortion (typical) | |
| 20 Hz – 20 kHz: 10 dB below rated power | < 0.02% THD / 4Ω and 8Ω |
| 1.0 kHz and below: full rated power | < 0.02% THD / 4Ω and 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) | > 250 at 8Ω |
| Input Impedance | 10k ohms unbalanced / 20k ohms balanced |
| Input Clipping | 6.4 Vrms (+18 dBu) |
| Cooling | Continuously variable speed fan, back-to-front air flow |
| Connectors | |
| 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 |
| Load Protection | Turn-on/off muting / AC coupling (850, 1450) / Triac crowbar (1850HD, 2450, 4050HD, 5050) on each |
| Power Requirements | 100, 120, 230 VAC, 50 – 60 Hz (factory configured) |
| Dimension | 5.25” (13.3 cm) tall / 3 rack spaces |
| Net Weight | 75 lbs. (33.1 kg) |
| Shipping Weight | 87 lbs. (37.2 kg) |
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.