QSC RMX2450 Power Amplifier (1200 Watts)

Independent defeatable clip limiters reduce distortion without sacrificing peak performance. 2U rack space.

Item: QSCRMX2450

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    • $699.00
    • Installment Plan:4 payments of $174.75
    • List: $875.00
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customer reviews

Rate and Review This Product:

75 People rated this product : * * * * * * * * * * 8 out of 10

5 People wrote reviews

* * * * * * * * * * 9 out of 10

"The QSC amplifier has the best clarity of sound and least distortion of any amplifier sold in the United States."

Feature:
We compared CROWN 3 rating, QSC 9 rating and Chevon 10 rating with a CD recording of guitar playing. The distortion with the CROWN was bad, the QSC made the guitar sound clear with no distortion. The Chevon went one level more as though the guitar player was sitting in front of us and we could hear every squeek and pluck that the guitar player creates as the guitar is played, same with the comparison of a pipe organ recorded on CD, with the CROWN the organ sounded terrible, with the QSC amplifier the organ sounded like a true pipe organ, with the Chevon amplifier, it was purified to its truest potential.

Value:
Way worth the price to me, the CROWN amplifiers are trash in comparison

Desirability:
sound it everything to me

Sound:
The sound is far better than a straight comparison to a Crown 1000 amplifier. The QSC had far less distortion. The comparison was with an Ahlborn Galanti organ. The organ was installed with CROWN amplifiers and the sound was not satisfactory until we tried the QSC amplifiers. Suddenly the sound and clarity was improved, the distortion taken out. Of course, speakers and wiring were also a factor. I would rate the CROWN amplifer a 3, the QSC a 9 and the Chevon amplifier a 10.

Ease of Use:
The products starts so good, the user does not have to change anything to alter for the discrepencies as one has to do with the CROWN amplifiers.

Overall:
The QSC amplifiers are used in the huge new theater that was built in Boynton Beach, FL by the mall. I stayed after the movie till the very last note was played marveling at the sound. When I asked what amplifiers the theater chose, I was thrilled to know it is your QSC. Given the choice, I would prefer the Chevon, but they are from Europe, presently not being built and more expesive. I am very happy with the clarity of sound and the lack of distortion, especially when combined with the appropriate speakers.

Submitted: 8/21/2007

Style of Music: Christian classical and contemporary

* * * * * * * * * * 10 out of 10

"Clean look, clean price, clean sound!"

Feature:
Great features. I have had the rmx 2450 and 850 since 2001. Still, never a problem.

Desirability:
Time to upgrade again. I love the rmx 5050. I will use that to power all 4 of subs, and use this one for the main cabinets.

Sound:
Best sound for its buck.

Ease of Use:
So much flexibility with its features in the back. The limiters and the parallel mode. Just think of it. With one cable, you can power up to 8 speakers! Wow.

Submitted: 4/2/2006

Style of Music: contemporary worship

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RMX Series
RMX Series

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About This Product!
Description
Docs
From Our Catalog
The new RMX Series amplifiers give you clean, dynamic power with the legendary QSC sound quality and reliability that pros depend on. The RMX Series delivers 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) and 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 and less than 16 in. deep. And unlike other designs, RMX output devices are direct-mounted to the heat sink for optimum thermal coupling and cooling.

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 in. 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.

Technical Info

Specifications

Continuous Power Rating
8 Ohms: 500 W

4 Ohms: 750 W

2 Ohms: 1200 W

8 Ohms Bridged Mono: 1500 W

4 Ohms Bridged Mono: 2400 W

Current Consumption: 10 Amps

Distortion (Typical):
20 Hz-20 kHz: 10 dB below rated power Less than 0.03% THD 4 and 8 ohms
1.0 kHz and below: full rated power 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 in. (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:
Full short circuit, open circuit, thermal, ultrasonic, and RF protection
Stable into reactive or mismatched loads
Load Protection: On/off muting, AC coupling (850, 1450), triac crowbar (2450, on each channel)
Deals out 500 watts/channel at 8 ohms and 2400 watts at 4 ohms bridged.

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