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QSC RMX 2450 Power Amplifier

  • Price: $749.99
  • B&H # QSRMX2450
  • Mfr# RMX2450

Product Highlights

  • Rack-Mountable (2RU)
  • 2 Channels
  • Stereo/Parallel/Bridged Mono Modes
  • 500W per Channel into 8 Ohms
  • Selectable Low-Frequency Filtering
  • Short/Open Circuit Protection
  • Front LED Signal/Clipping Indicators
  • User-Defeatable Clip Limiters
  • High-Current Toroidal Transformer
  • Front Exhaust

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The QSC Audio RMX 2450 stereo power amplifier provides clean, dynamic power, reliability and true studio-quality sound, at a new breakthrough price. The amplifier is packed full of professional features that increase performance and flexibility.

The power supply is the heart of any amplifier, converting raw AC power from the wall to clean DC for the audio circuitry. The RMX 2450 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 amplifier to effortlessly punch out high level transients, even when driving abusive 2 ohm speaker loads. A full complementary output circuit using the highest-grade linear output devices delivers ultra-low distortion and a ruler-flat frequency response.

Surface Mount Technology triples small-signal component density, enabling the manufacturer to deliver large amounts of power in a chassis only two rack spaces and less than sixteen inches deep. The output devices are direct-mounted to the heat sink for optimum thermal coupling and cooling.

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. The RMX 2450 provides barrier strip, XLR and 1/4" balanced inputs, plus Speakon and binding post outputs for easy connections. Low-noise variable speed fans with rear-to-front airflow keep the amplifier and rack cool.

A high output rack-mountable (2RU) 2-channel power amplifier with stereo/parallel/bridged mono modes
500 Watts per channel driven into 8 Ohms
High-current toroidal transformer
Fully selectable low-frequency filtering with a choice of 30 or 50Hz roll-off
Front panel LED indicators for signal and clip
Full short circuit, open circuit, thermal, ultrasonic and RF protection
Independent, user-defeatable clip limiters
Full-flow thermal design exhaust at the front, drawing cool air into the rack instead of waste heat (unit also has low-noise variable speed fans)
Surface Mount Technology aids compact design
Barrier strip, XLR, and 1/4" balanced inputs
Speakon and binding post outputs
Power Rating Rating @ 1 kHz, THD=0.1%
750W @ 4Ω Stereo (per channel)
500W @ 8Ω Stereo (per channel)
1200W @ 2Ω Stereo (per channel)
1500W @ 8Ω Bridged-Mono
2400W @ 4Ω Bridged-Mono

Rating @ 20 Hz - 20 kHz, THD=0.05%
650W @ 4Ω Stereo (per channel)
450W @ 8Ω Stereo (per channel)
1300W @ 8Ω Bridged-Mono
Damping Factor >300 (@8 Ohms)
Input Sensitivity 1.23 Vrms @8 Ohms
Input Impedance 20 kOhms, balanced
10 kOhms, unbalanced
Gain 34dB
Frequency Response 20 Hz - 20 kHz, +/- 1dB
Signal-to-Noise Ratio 100dB (20 Hz - 20 kHz)
Total Harmonic Distortion (THD) <0.02%
Input Connections 2 x XLR female, balanced
2 x 1/4" TRS phone, balanced
2 x barrier strips
Output Connectors 2 x pair 5-way binding posts
2 x NL-4 Speakon
Controls Front Panel 2 x rotary Level Control knobs
1 x Power switch
Controls (Rear) 1 x Bridge/Stereo/Parallel Input Config. Switch
1 x Clip/Limiter switch
2 x Top 100 Hz HPF/Full/Sub 100 Hz LPF Filter switches
2 x 33 Hz HPF/Full (infrasonic) Filter switches
Indicators 1 x green Power On LED
2 x yellow Signal LEDs
2 x red Clip LEDs
Camera Resolution 1 x variable-speed fan (back-to-front airflow)
Power Consumption 7 Amps (1/8 power pink noise @4 Ohms)
Power Requirements 100-120VAC, 60Hz
Dimensions 19 x 3.5 x 15.9" (483 x 89 x 404mm); 2U
Weight 44.5 lbs (20.2kg)
Specialties Detented Level Attenuators
Comprehensive Protection Circuitry
On/Off Muting, DC-fault Power Supply Shutdown

Cables

Pearstone -  3-Pin XLR Male to 3-Pin XLR Female Audio Cable (3')
    • Original: $14.99
    • Save: $1.50
  • Price: $13.49
 

Speaker Cables

Whirlwind -  Speakon to Speakon Speaker Cable (12 Gauge) - 25'
  • Price: $54.95
 

Cases & Protection

Gator Cases -  GR2L Standard Rack Case
  • Price: $129.99
 

Racks

Gator Cases -  GR-STUDIO4U 4U Studio Rack Cabinet
  • Price: $84.99
 
View all Accessories

What's in the Box

QSC RMX 2450 Power Amplifier
  • AC Power Cord
  • 6-Year Warranty
 
 
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