SPECIFICATIONS

RMX 850

RMX 1450

RMX 1850HD

RMX 2450

STEREO MODE (Both Channels Driven)

8 ohms
FTC 20 Hz - 20 kHz,

0.1% THD
EIA 1 kHz, 0.1% THD

185 W
200 W

260 W
280 W

350 W
360 W

450 W
500 W

4 ohms
FTC 20 Hz - 20 kHz,

0.1% THD
EIA 1 kHz, 0.1% THD

280 W
300 W

400 W
450 W

550 W
600 W

650 W
750 W

2 ohms
EIA 1 kHz, 1% THD

430 W

700 W

900 W

1200 W

BRIDGE MONO MODE

8 ohms

 FTC 20 Hz - 20 kHz,

0.1% THD
EIA 1 kHz, 0.1% THD

530 W
600 W

800 W
900 W

1100 W
1200 W

1300 W
1500 W

4 ohms
EIA 1 kHz, 1% THD

830 W

1400 W

1800 W

2400 W

Signal to Noise, 20 Hz-20 kHz

100 dB

100 dB

100 dB

100 dB

Distortion (SMPTE-IM)

Less than 0.01%

Less than 0.01%

Less than 0.02%

Less than 0.02%

Input Sensitivity @

8 ohms

1.15V (+3.4 dBu)

1.15V (+3.4 dBu)

1.16V (+3.5 dBu)

1.23V (+4.0 dBu)

Voltage Gain

31.6x (30 dB)

40x (32 dB)

46x (33 dB)

50x (34 dB)

Output Circuitry

AB

AB

Class H

Class H

Power Requirements
1/8 power pink noise at

4 ohms *

5A

6A

6A

7A

ALL MODELS

Distortion (Typical)
20 Hz - 20 kHz: 10 dB

below rated power
1.0 kHz and below: full

rated power

Less than 0.03% THD, 4 and 8 ohms
Less than 0.03% THD, 4 and 8 ohms

Frequency Response

20 Hz-20 kHz, ±1 dB
-3 dB points: 5 Hz - 50 kHz

Damping Factor, 1 kHz

and below

Greater than 300 at 8 ohms

Input Impedance

10k ohms unbalanced, 20k ohms balanced

Input Clipping

10 Vrms (+22 dB)

Cooling

Continuously variable-speed fan, rear-to-front air flow

Connectors,

each channel

Input: Active balanced; barrier strip, XLR and 1/4" (6.3mm)
TRS tip and XLR (pin 2 positive)
Output: touch-proof binding posts and Neutrik? Speakon?

Controls

Front: AC switch, Ch. 1 and Ch. 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)

Amplifier Protection

Stable into reactive or mismatched loads

Load Protection

On/off muting, AC coupling (850, 1450), triac crowbar (1850HD, 2450, on

each channel)

Power Requirements

100, 120, 230 VAC, 50-60 Hz

Dimensions

19" (48.3 cm) rack mounting, 3.5" (8.9 cm) tall (2 RU),
15.9" (40 cm) deep (rack mounting to rear support ears)

Weight

35 lbs (15.9 kg) net

40 lbs (18.2 kg) net

44.5 lbs (20.2 kg) net

44.5 lbs (20.2 kg) net