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QSC RMX 850
Audio Power Amplifier
"C" stock
1 year factory warranty!!
(directly from QSC, details listed below)
This sale is for a "C" stock QSC RMX 850 audio power amplifier. We are authorized QSC dealers, so these amps carries a 1yr QSC factory warranty. The RMX lineup is the perfect audio solution for those who require good, clean, no-frills power at a great price. Backed by QSC's unmatched service and support, the RMX line is truly one of the best dollar per watt values on the market today. This amp is in stock to ship out ASAP. Own this essential audio tool today at a great eBay price. Please feel free to email me with any questions:(brian@bigtimefans.com) or 414-339-0557
What is "C" stock?
A QSC factory "C" stock item is considered a used amplifier, so it has been installed and used. While the amp may have some marks from racking/deracking, every "C" stock amp has been tested by QSC, certified to perform up to new spec and covered by a 1 year factory warranty..
We are an authorized QSC dealer, so warranty applies from the date of purchase. If you have any further questions regarding this amp or QSC products please don't hesitate to contact us: brian@bigtimefans.com or 414-339-0557
INSTRUCTIONS FOR INTERNATIONAL BIDDERS
Shipping for international bidders will be determined at auction close, and will be at actual rates. All items will be insured for the winning bid price, and this will be included in the shipping quote.
Payments can be made by direct bank transfer (SWIFT or ABA number). Paypal is also OK as long as your account is verified, and we must ship to your confirmed address. Other money transfer methods are available, so please contact us for details. Winning international bidders will be responsible for all customs, duties and fees required in your country. We are registered as commercial shippers, so customs regulations do not allow us to declare items as a gift.
The following specs and description are from QSC: The RMX Series amplifiers give you clean, dynamic power with the legendary QSC sound quality and reliability that pros depend on. The RMX Series deliver unmatched performance at a new breakthrough price.
Muscular Power Plant
The power supply is the heart of an amplifier, converting raw AC power from the wall to clean DC for the audio circuitry. The RMX uses a powerful high-current toroidal transformer and ample filter capacitance to ensure generous energy reserves. This makes a critical difference in sound quality, allowing the amp to effortlessly punch out high level transients, even when driving abusive 2-ohm speaker loads.
Superior Performance
RMX amplifiers deliver true studio-quality sound. A full complementary output circuit using the highest-grade linear output devices delivers ultra-low distortion ( <0.05% THD) & a ruler-flat frequency response. SMT (Surface Mount Technology) triples small-signal component density, enabling us to pack up to 2400 watts of power in a chassis only 2 rack spaces & less than 16" deep. And unlike other designs, RMX output devices are direct-mounted to the heat sink for optimum thermal coupling & cooling.
Comprehensive Features
The RMX Series is packed full of professional features that increase performance and flexibility:
- Independent defeatable clip limiters reduce distortion without sacrificing peak performance.
- Selectable low-frequency filters boost system response, protect speakers and ensure low-end tightness by more precisely matching the amplifier's range to the loudspeakers.
- Barrier strip, XLR and 1/4" balanced inputs plus Speakon and binding post outputs provide easy connections.
- Low-noise variable speed fans with rear-to-front air flow keep amplifiers and racks cool.
Proven Reliability
With over 30 years of building amplifiers for the largest touring companies and venues around the world, you can count on QSC's reputation for designing the most reliable amps available.
FEATURES
- 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
- Selectable low-frequency filters (30 Hz or 50 Hz) protect speakers and increase headroom
- Balanced 1/4" (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
- 3-year warranty plus optional 3-year extended service contract
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RMX SPECIFICATIONS |
RMX 850 |
RMX 1450 |
RMX 1850HD |
RMX 2450 |
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STEREO MODE, EIA: Both Channels Driven |
| 8 ohms EIA 1 kHz, 0.1% THD |
200W |
280W |
360W |
500W |
| 4 ohms EIA 1 kHz, 0.1% THD |
300W |
450W |
600W |
750W |
| 2 ohms EIA 1 kHz, 1% THD |
430W |
700W |
900W |
1200W |
|
BRIDGE MONO MODE |
| 8 ohms EIA 1 kHz, 0.1% THD |
600W |
900W |
1200W |
1500W |
| 4 ohms EIA 1 kHz, 1% THD |
830W |
1400W |
1800W |
2400W |
| 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 * |
5 A |
6 A |
6 A |
7 A |
| Weight |
35 lb (15.9 kg) net |
40 lb (18.2 kg) net |
44.5 lb (20.2 kg) net |
44.5 lb (20.2 kg) net |
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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 |
10 k ohms unbalanced, 20 k 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) |
| Dimensions |
19" (48.3 cm) rack mounting, 3.5" (8.9 cm) tall (2 rack spaces),
15.9" (40 cm) deep (rack mounting to rear support ears) |
| Power Requirements |
120V, 60 Hz |
* @ 120VAC, both channels driven
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| All Specification Subject to Change Without Notice. | |
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