|
Model
|
RMX 850a
|
RMX 1450a
|
RMX 2450a
|
RMX 4050a
|
RMX 5050a
|
|
Power per Channel, Stereo Mode (both channels driven)
|
|
8Ω, FTC 20 Hz–20 kHz, 0.1% tdD
|
185 W
|
260 W
|
450 W
|
800 (650**) W
|
1050 W
|
|
8Ω, EIA 1 kHz, 0.1% tdD
|
200 W
|
300 W
|
500 W
|
850 W
|
1100 W
|
|
4Ω, FTC 20 Hz–20 kHz, 0.1% tdD
|
280 W
|
400 W
|
650 W
|
1300 W
|
1600 W
|
|
4Ω, EIA 1 kHz, 0.1% tdD
|
300 W
|
500 W (0.5% tdD)
|
800 W
|
1400 W
|
1800 W
|
|
2Ω, FTC 20 Hz–20 kHz, 1% tdD
|
–
|
–
|
–
|
1600 W
|
2000 W
|
|
2Ω, EIA 1 kHz, 1% tdD
|
430 W
|
700 W
|
1200 W
|
2000 W
|
2500 W
|
|
Power, Bridge-Mono Mode
|
|
8Ω, FTC 20 Hz–20 kHz, 0.1% tdD
|
530 W
|
800 W
|
1300 W
|
2600 W
|
3200 W
|
|
8Ω, EIA 1 kHz, 0.1% tdD
|
600 W
|
900 W
|
1500 W
|
2800 W
|
3600 W
|
|
4Ω, EIA 1 kHz, 1% tdD
|
830 W
|
1400 W
|
2400 W
|
4000 W
|
5000 W
|
|
Signal to Noise (20 Hz–20 kHz)
|
-100 dB
|
|
Distortion (SMPTE-IM)
|
< 0.01%
|
< 0.02%
|
|
Input Sensitivity at 8Ω
|
1.15V (+3.4dBu)
|
1.23V
(+4.0 dBu)
|
1.42V (+5.3 dBu)
|
|
Voltage Gain
|
31.6x (30 dB)
|
40x (32 dB)
|
50x (34 dB)
|
64x (36 dB)
|
|
Output Circuitry
|
Class AB
|
2-tier Class H
|
3-tier Class H
|
|
Current Draw (120 V AC)
Typical, 1/8 power pink noise at 4Ω*
Severe, 1/3 power pink noise at 4Ω*
|
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 5-20
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% tdD, 4Ω and 8Ω
< 0.03% tdD, 4Ω and 8Ω
|
< 0.02% tdD, 4Ω and 8Ω
< 0.02% tdD, 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)
|
> 300 at 8Ω
|
> 250 at 8Ω
|
|
Input Impedance
|
10 kΩ unbalanced; 20 kΩ 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, tdermal, 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
|
