9
SPECIFICATIONS
Output Circuit Type complementary bipolar output with multi-step high efficiency circuit
Output Power in watts RMX 4050HD RMX 5050
FTC: 20 Hz to 20 kHz, 0.1% THD 8 ohms 800 1050
both channels driven 4 ohms 1300 1600
2 ohms 1600 2000
EIA: 1 kHz, 0.1% THD 8 ohms 850 1100
both channels driven 4 ohms 1400 1800
2 ohms, 1% THD 2000 2500
Bridged Mode 8 ohms, 20 Hz to 20 kHz 2600 3200
at 0.1% THD 8 ohms, 1 kHz 2800 3600
4 ohms, 1 kHz, 1% THD 4000 5000
Input Sensitivity for rated power into 8 ohms 1.25 Vrms 1.42 Vrms
Input Impedance 20 k ohm balanced, 10 k ohm unbalanced
Voltage Gain 64x (36 dB) for 8 ohm load
Dynamic Headroom at 4 ohms 2 dB
Distortion, SMPTE <0.02%
Frequency response at 1 watt 20 Hz to 20 kHz, 8 ohms, LF Filter bypassed: +0, -1 dB
5 Hz to 50 kHz, 8 ohms, LF Filter bypassed: +0, -3 dB
Damping Factor >250, 8 ohm load
Noise (unweighted) 100 dB below rated output from 20 Hz to 20 kHz, 8 ohm load
Controls Front Panel- AC power switch, CH1 Gain control, CH2 Gain control
Rear Panel- 10-pole DIP switch featuring LF Filter on/off, LF Filter 30/50 Hz, Clip Limiter on/off controls
for each channel and switches for selecting Stereo, Parallel, or Bridge Mode. Push-button circuit
breaker for each channel.
Connectors Inputs: XLR female, TRS (1/4-inch), and barrier-strip screw terminals provided for each channel
Outputs: binding posts and Speakon outputs (CH1 Speakon wired for bi-amp connection)
LED Indicators Power “on”, green; Protect, red; Signal -35 dB, yellow (1 each channel); Clip, red (1 each channel)
Cooling continuously variable speed fan, rear to front airflow
Amplifier Protection short circuit, open circuit, thermal, ultrasonic, and RF protection;
stable into reactive/mismatched loads
Load Protection turn-on and turn-off muting, DC fault output crowbar
Power Requirements 100, 120, or 240 Volts AC (±10%) 50-60 Hertz
Circuit Breakers RMX 4050HD: two (one for each channel): 100 and 120 V models: 15 amp / 230 V models: 8 amp
RMX 5050: two (one for each channel): 100 and 120 V models: 20 amp / 230 V models: 10 amp
AC Connection detachable 3-conductor grounded, Class 1 type
Current Consumption at 120V (in amperes) at typical/full/maximum output power (idle current= 1 amp)
RMX 4050HD RMX 5050
8 ohms typical= 6.4, full= 12.5, maximum= 25.5 typical= 8.7, full= 17.0, maximum= 34.4
4 ohms typical= 10.0, full= 20.1, maximum= 42.2 typical= 13.9, full= 26.9, maximum= 56.4
2 ohms typical= 14.5, full= 30.6, maximum= 65.7 typical= 18.9, full= 38.0, maximum= 84.7
Current Consumption Notes:Typical- 1/8 power, pink noise, represents typical program with occasional clipping. Full- 1/3 power, pink noise, represents severe pro-
gram with heavy clipping. Maximum- continuous sine wave at 1% clipping.
AC Inlet: IEC 6032 C13 IEC 6023 C19
Supplied Cord Set 120V: 8ft (2.5m), NEMA 5-15 plug 120V: 8ft(2.5m), NEMA 5-20 plug
230V: 8ft(2.5m), CEE7/7 plug 230V: 8ft(2.5m), CEE7/7 plug
Weight 68 lb. (30.8 kg) net, 77 lb. (34.9 kg) shipping 75 lb. (33.1 kg) net, 87 lb. (37.2 kg) shipping
Dimensions 19.0” wide x 5.2” (3RU) high x 15.9” deep (482x132x404mm)
Specifications are subject to change without notice.
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