QSC RMX 4050HD
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RMX 4050HD
QSC's RMX 4050HD power amplifier represents the 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 DJs, the RMX 4050HD is optimized to deliver high levels of sustained power, extraordinary audio performance, and road-proven reliability.
Like its smaller sibling (the RMX 1850HD), the RMX 4050HD is one of two RMX "Heavy Duty" models designed to work as hard into 2 ohm loads as most competing amplifiers will at 4 ohms. With a three-tier, Class H design, the RMX 4050HD is extremely efficient at real world power levels. Less AC current is wasted and more goes into producing useful audio power. The 120 volt versions of the RMX 4050HD accomplish all this with a standard 15 amp plug.
Like all RMX amps, the RMX 4050HD features balanced 1/4" TRS, XLR and barrier strip inputs, binding posts and Neutrik Speakon® outputs, front-mounted gain controls, plus signal and clip LED indicators to monitor performance.
FEATURES
- The RMX 4050HD provides improved thermal performance that gives you higher continuous power in 2 ohms stereo or 4 ohms bridged applications
- Dual mono, high current power supply for increased reliability and performance
- 3RU chassis only 16" deep
- Professional quality performance - incorporates road-proven QSC designs
- High-current toroidal transformers for greater 2 ohm power and low noise
- Independent user-defeatable clip limiters reduce distortion
- Selectable low frequency filters (30 Hz or 50 Hz) protect speakers and increase headroom
- Balanced 1/4" (6.3 mm) TRS, XLR and barrier strip inputs
- Binding post and Neutrik Speakon outputs
- Front mounted gain controls for easy access
- Signal and Clip LED indicators to monitor performance
- 3 year warranty. An optional 3 year extended service contract is available. Ask your dealer for details.
Need help selecting the right RMX Series amplifier for your speakers? All you need to know is the speaker's power handling rating found on the manufacturer's specification sheet and the Amplifier Selector Tool will help you select an amplifier that best fits your needs.
|
SPECIFICATIONS |
RMX 4050HD |
RMX 4050HD / CE Compliant |
|---|---|---|
| STEREO MODE (Both Channels Driven) | ||
| 8 ohms FTC 20 Hz - 20 kHz, 0.1% THD EIA 1 kHz, 0.1% THD |
800 W 850 w |
650 W |
| 4 ohms FTC 20 Hz - 20 kHz, 0.1% THD EIA 1 kHz, 0.1% THD |
1300 W 1400 w |
1300 W |
| 2 ohms FTC 20 Hz-20 kHz 0.1% THD EIA 1 kHz 1% THD |
1600 W 2000 w |
1600 W 2000W |
| BRIDGE MONO MODE | ||
| 8 ohms FTC 20 Hz-20 kHz 0.1% THD EIA 1 kHz 0.1% THD |
2600 W 2800 w |
2600 W 2800 w |
| 4 ohms EIA 1 kHz 1% THD |
4000 W |
4000W |
| Distortion (SMPTE-IM) | Less than 0.02% | |
| Distortion (Typical) 20 Hz-20 kHz: 10 dB below rated power 1 kHz and below: full rated power |
Less than 0.02% @ 4 ohms, less than 0.01% @ 8 ohms Less than 0.02% @ 4 ohms, less than 0.01% @ 8 ohms |
|
| Frequency Response |
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 | Greater than 250 @ 8 ohms | |
| Noise (unweighted) | 100 dB below rated output (20 Hz - 20 kHz, 8 ohm load) | |
| Input Impedance | 20k ohm balanced, 10k ohm unbalanced | |
| Input Sensitivity | 1.25 Vrms for 800 W into 8 ohms | 1.12 Vrms for 650 W into 8 ohms |
| Voltage Gain | 64x (36 dB) for 8 ohm load | |
| Controls Front: Controls Rear: |
AC power switch, Ch. 1 and Ch. 2 gain control 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. |
|
| Indicators |
Power-On: Green LED, Protect: Red LED Signal -30dB: Yellow LED, Clip: Red LED |
|
| Connectors Input: Connectors Output: |
XLR female, TRS (1/4-inch), and barrier-strip screw terminals, each channel Binding posts and Speakon® outputs (Ch. 1 Speakon wired for biamp) |
|
| Cooling | Continuously variable-speed fan, rear-to-front air flow | |
| Amplifier Protection |
Short circuit, open circuit, thermal, ultrasonic, and RF protection. Stable into reactive or mismatched loads | |
| Load Protection | On/off muting, DC fault output crowbar | |
| Power Requirements | 100, 120 or 240 Volts AC (+/-10%) 50-60 Hz (factory configured) | 240 Volts AC (+/-10%) 50-60 Hz |
| Dimensions | 19" 19.0" (48.3 cm) wide, 5.25" (13.3 cm) tall, 15.9" (40.39 cm) overall depth | |
| Weight | 68 lb (30.84 kg) net, 77 lb (34.43 kg) shipping | |
All Specification Subject to Change Without Notice.
Speakon is a trademark of Neutrik
Visit Pro Audio Review's website
for a review of QSC's RMX 4050 Amplifier.
Download QSC's catalogs as PDF files
2009 Full Line Product Catalog (4.3MB) NEW
2009 Catalogo Nueva Edicion (3.5MB)
2009 Cinema Products (5MB)
