| RMX 850a | RMX 1450a | RMX 2450a | RMX 4050a | RMX 5050a |
|---|
| Power per Channel, Stereo Mode (both channels driven) |
| 8 , FTC 20 Hz 20 kHz, 0.1% THD | 185 W | 260 W | 450 W | 800 (650**) W | 1050 W |
| 8 , EIA 1 kHz, 0.1% THD | 200 W | 300 W | 500 W | 850 W | 1100 W |
| 4 , FTC 20 Hz 20 kHz, 0.1% THD | 280 W | 400 W | 650 W | 1300 W | 1600 W |
| 4 , EIA 1 kHz, 0.1% THD | 300 W | 500 W (0.5% THD) | 750 W | 1400 W | 1800 W |
| 2 , FTC 20 Hz 20 kHz, 1% THD | | | | 1600 W | 2000 W |
| 2 , EIA 1 kHz, 1% THD | 430 W | 700 W | 1200 W | 2000 W | 2500 W |
| Power, Bridge-Mono Mode |
| 8 , FTC 20 Hz 20 kHz, 0.1% THD | 530 W | 800 W | 1300 W | 2600 W | 3200 W |
| 8 , EIA 1 kHz, 0.1% THD | 600 W | 900 W | 1500 W | 2800 W | 3600 W |
| 4 , EIA 1 kHz, 1% THD | 830 W | 1400 W | 2400 W | 4000 W | 5000 W |
| Signal to Noise (20 Hz 20 kHz) | -100 dB | -100 dB | -100 dB | -100 dB | -100 dB |
| Distortion (SMPTE-IM) | < 0.01% | < 0.01% | < 0.02% | < 0.02% | < 0.02% |
| Input Sensitivity at 8 | 1.15V (+3.4dBu) | 1.15V (+3.4 dBu) | 1.23V (+4.0 dBu) | 1.42V (+5.3 dBu) | 1.42V (+5.3 dBu) |
| Voltage Gain | 31.6x (30 dB) | 40x (32 dB) | 50x (34 dB) | 64x (36 dB) | 64x (36 dB) |
| Output Circuitry | Class AB | Class AB | 2-tier Class H | 3-tier Class H | 3-tier Class H |
Current Draw (120 V AC)
Typical, 1/8 power pink noise at 4 *
Severe, 1/3 power pink noise at 4 * |
4.5 A
6.6 A |
6.0 A
9.6 A |
6.3 A
15.6 A |
10.0 A
20.1 A |
13.9 A
26.9 A |
AC Mains Plug
100/120V
230V |
NEMA 5-15
CEE7/7 |
NEMA 5-15
CEE7/7 |
NEMA 5-15
CEE7/7 |
NEMA 5-15
CEE7/7 |
NEMA 5-20
CEE7/7 |
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 kg) |
68 lb (30.8 kg)
77 lb (34.9 kg) |
75 lb (33.1 kg)
87 lb (37.2 kg) |
Distortion (typical)
20 Hz 20 kHz, 10 dB below rated power
1 kHz and below, full rated power |
< 0.03% THD, 4 and 8
< 0.03% THD, 4 and 8 |
< 0.02% THD, 4 and 8
< 0.02% THD, 4 and 8 |
| Frequency Response | 20 Hz 20 kHz: +0/-1 dB -3 dB points: 5 Hz and 50 kHz (LF filter bybassed, 8 ) |
| Damping Factor (1 kHz and below) | > 300 at 8 | > 250 at 8 |
| Input Impedance | 10 k unbalanced; 20 k balanced |
| Input Stage Clipping | 10 V rms (+22 dBu) | 6.4 V rms (+18 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; Channel 1 & 2 gain knobs
Rear: 10-position DIP switch |
| LED Indicators | Power on: Green; Signal: Yellow (1 per channel); Clip/Protect: Red (1 per channel) |
| 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 (1850HD, 2450, 4050HD, 5050) on each channel |
| Dimensions | 3.5 (8.9 cm) tall; 2 rack spaces | 5.25 (13.3 cm) tall; 3 rack spaces |
| Power Requirements | 100, 120, 230 V AC (factory configured), 50 60 Hz |
