American Musical Supply
American Musical Supply
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American Musical Supply

QSC RMX2450 Power Amplifier

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Product Description

The QSC RMX2450 Power Amplifier gives you clean, dynamic power with QSC's legendary sound quality and reliability that pros depend on. QSC combined their rugged, high-output designs with the latest circuit technology to deliver unmatched performance at a new breakthrough price. The RMX2450 power amp has balanced XLR and 1/4 inch TRS inputs. Outputs include binding posts and Neutrik Speakon connections. These stereo power amps are only 2 rack spaces tall and 15.9 inches deep. Other features of the RMX2450 include ultra low distortion (.05% THD), a low-noise variable speed fan with rear-to-front air flow to keep your amplifier and racks cool, and selectable low-frequency filters to protect your speakers and increase headroom. QSC power amps are backed by a 3-year transferable warranty.

Purchase an RMX Series Amplifier from AMS and Receive QSC's
QSC 6 Year Extended Warranty
after registering your product at QSC.com

The new RMX Series amplifiers give you clean, dynamic power with the legendary QSC sound quality and reliability that pros depend on. We combined our rugged high output designs with the latest circuit technology to 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 inches 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 inch 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.


    Product Specifications
    RMX SPECIFICATIONS

    RMX SPECIFICATIONS

    RMX 850

    RMX 1450

    RMX 2450

    Stereo Mode (EIA: both channels driven)

         

    8 ohms EIA 1 kHz 0.1% THD

    200W

    280W

    500W

    4 ohms EIA 1 kHz 0.1% THD

    300W

    450W

    750W

    2 ohms EIA 1 kHz 1% THD

    430W

    700W

    1200W

    Bridge Mono Mode

         

    8 ohms EIA 1 kHz 0.1% THD

    600W

    900W

    1500W

    4 ohms EIA 1 kHz 1% THD

    830W

    1400W

    2400W

    Signal to Noise (20 Hz-20 kHz)

    100 dB

    100 dB

    100 dB

    Distortion (SMPTE-IM)

    Less than 0.01%

    Less than 0.01%

    Less than 0.02%

    Input Sensitivity @ 8 ohms

    1.15v (+3.4 dBu)

    1.15v (+3.4 dBu)

    1.23v (+4.0 dBu)

    Voltage Gain

    31.6x (30 dB)

    40x (32 dB)

    50x (34 dB)

    Output Circuitry

    AB

    AB

    Class H

    Current Consumption (1/8 power pink noise at 4 ohms @ 120VAC,
    both channels driven; multiply current by .5 for 230V units.)

    5A

    7A

    10A

    Weight (Net)

    35lb. (15.9 kg)

    40lb. (18.2 kg)

    44.5lb. (20.2 kg)

    All Models

    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, ± 0/-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 (+22dBu)

    Cooling

    Continuously variable speed fan, rear-to-front air flow

    Connectors (each channel)

    Input: Active balanced; barrier strip, XLR and 1/4" (6.3 mm).
    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

    PWR-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

    Turn-on/off muting, AC coupling (850, 1450), triac crowbar
    (2450, on each channel)

    Dimensions

    19" (48.3cm) rack mounting, 3.5" (8.9 cm) tall (2 rack spaces),
    15.9" (40 cm) deep (rack mounting to rear support ears)

    Power Requirements

    100, 120, 230 VAC, 50-60 Hz




    Helpful Info about the Manufacturer
    Phone:  800-772-2834 Warranty:  3 Years on New Amps; B-Stock is 1 (one) Year only!
    BigAl from altoona, PA
    Rating
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    Features
    Ease of Use
    Sound
    General
    Subject
    My Singer Told me to turn down the Monitors LOL
    Quality
    Would you consider this product to be made well? How dependable?
    The clearest sound you can get in this price range
    Features
    What do you consider to be the best features of this product? What features would you add to this product if you could?
    Clip protection
    Ease of Use
    How easy is this product to use? How easy is the product to use with other products? Did it take long for you to learn to use this product? Was the manual helpful? How playable do you consider this product to be?
    ease of setting up
    Sound
    How is the tone?
    best amp I own hands down
    General
    Your general opinion of this product.
    great product for a great price
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    Manual
    RMX Manual2.44 MB
    5
    3   Review (s) - 25   Rating (s)
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