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- RMX Series Amplifiers
- QSC RMX 1850HD
QSC RMX 1850HD
Product Description
RMX 600W/CH @ 4 OHMS AMPLIFIER
The RMX Series amplifiers from QSC offer true professional-quality performance at an affordable price. Four 2-rackspace models range in power from 430 to 1200 watts per channel at 2 ohms. Two 3-rackspace models provide 2000 to 2500 watts per channel at 2 ohms. All six models feature a compact chassis less than 16" deep. RMX amplifiers include a comprehensive set of features including XLR and 1/4" balanced inputs, Speakoní«© and binding post outposts for convenient connectivity. User-defeatable clip limiters and selectable low frequency filters optimize sonic performance.
FEATURES
- Compact size--up to 2400 watts in 2 rack spaces
- Professional quality performance--incorporates road-proven QSC designs
- High-current toroidal transformers for greater two-ohm power and low noise
- Independent user-defeatable clip limiters reduce distortion
- Balanced 1/4 inch (6.3mm) 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
- Independent DC and thermal overload protection on each channel automatically protects amplifier and speakers
|
SPECIFICATIONS
RMX 1850 HD
|
|
|---|---|
|
í«í_STEREO MODE (Both Channels Driven) |
í«í_ |
| 8 ohms í«í_í«í_FTC 20 Hz - 20 kHz, 0.1% THD í«í_í«í_EIA 1 kHz, 0.1% THD |
350 W 360 W |
| 4 ohms í«í_í«í_FTC 20 Hz - 20 kHz, 0.1% THD í«í_í«í_EIA 1 kHz, 0.1% THD |
550 W 600 W |
| 2 ohms í«í_í«í_ EIA 1 kHz, 1% THD |
900 W |
| í«í_BRIDGE MONO MODE | í«í_ |
| 8 ohms í«í_í«í_FTC 20 Hz - 20 kHz, 0.1% THD í«í_ EIA 1 kHz, 0.1% THD |
1100 W 1200 W |
| 4 ohms í«í_í«í_ EIA 1 kHz, 1% THD |
1800 W |
| Signal to Noise, 20 Hz-20 kHz | 100 dB |
| Distortion (SMPTE-IM) | Less than 0.02% |
| Input Sensitivity @ 8 ohms | 1.16V (+3.5 dBu) |
| Voltage Gain | 46x (33 dB) |
| Output Circuitry | Class H |
| Power Requirements 1/8 power pink noise at 4 ohms * |
6A |
| í«í_ALL MODELS | í«í_ |
| Distortion (Typical) í«í_ 20 Hz - 20 kHz: 10 dB below rated power í«í_ 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, í«±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 Neutrikí«Â Speakoní«Â |
| 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 | 44.5 lbs (20.2 kg) net |
* @ 120VAC, both channels driven; multiply current by 0.5 for 230V units
All Specification Subject to Change Without Notice.
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