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QSC GX3 - Power Amp 2 x 425W @ 4 ohms

£299.00 £249.17 (ex. vat)




QSC GX3

  • QSC GX3
  • QSC GX3
  • QSC GX3 Rear

QSC GX3

The QSC GX3 power amplifier features dramatic styling, easy hookup and adjustments, excellent audio quality and QSC reliability. The GX3 delivers just the right amount of power to the most popular speakers used by entertainers. Most loudspeaker manufacturers recommend an amplifier with power output equal to the speaker's "Program (Music) Power" rating or two times (2 x) the "Continuous (RMS) Power" rating.

  • 8 ohms / 1 kHz (both channels driven): 300 W
  • 8 ohms / 1 kHz (single channel driven): 350 W
  • 4 ohms / 1 kHz (both channels driven): 425 W
  • 4 ohms / 1 kHz (single channel driven): 500 W

The GX3 uses the latest evolution of the QSC Grounded Collector output system, for optimum cooling of the critical power transistors. A true Class B biasing system combines maximum thermal efficiency with excellent audio performance.

QSC GX3 Features

  • Power levels matched to the most popular speakers used by entertainers
  • Optimized for maximum real-world headroom into 4- and 8-ohm speaker systems
  • Inputs: XLR, 1/4" TRS and phono input connectors for compatibility with any source
  • Outputs: Speakon® combo accepts 1/4" (TS) plugs or Speakon 2- and 4-pole plugs (connects 2 poles only). Binding 
  • posts support all other speaker wiring systems
  • Minimum depth chassis (10.1" / 257 mm) fits in compact, inexpensive effects racks
  • Lightweight - GX3 and GX5 less than 26 lb (12.5 kg). GX7 only 15.5 lb (7 kg)*
  • Detented gain controls for precise setting and matching of sensitivity
  • GuardRail™ automatically protects the amplifier and loudspeakers from damage due to temperature rise or overdrive without shutting down the show
  • Front panel LEDs monitor power, signal, and clipping
  • Subwoofer/satellite crossover built-in

Specifications

  • 8 ohms / 1 kHz (both channels driven): 300 W
  • 8 ohms / 1 kHz (single channel driven): 350 W
  • 4 ohms / 1 kHz (both channels driven): 425 W
  • 4 ohms / 1 kHz (single channel driven): 500 W
  • Distortion (1 dB below rated power, 1 kHz):
    • 8 ohms: less than 0.02%
    • 4 ohms: less than 0.05%
  • Signal to Noise (20 Hz - 20 kHz): 100 dB
  • Input Sensitivity: 1.2 V rms
  • Voltage Gain: 32.2 dB
  • Output Circuitry: Class B
  • Power Requirements (1/8 power, pink noise at 4 ohms, 120V): 6.3 A
  • Frequency Response: 20 Hz–20 kHz, +0, -1 dB
  • Dynamic Headroom (4 ohms): 2 dB
  • Input Impedance: Greater than 20 kΩ (balanced)
  • Maximum Input Level: +24 dBu (16 V rms)
  • Input Connectors (each channel):
    • 3-pin XLR and 1/4" TRS, balanced, parallel
    • Phono, unbalanced
  • Output Connectors (each channel): Speakon®, 1/4", Binding posts
  • Amplifier and Load Protection:
    • Short circuit, open circuit, thermal, RF protection
    • Load protected against DC faults
  • Front Panel Controls and Indicators: 
    • Gain controls, 21 detents
    • Red CLIP LEDs, proportional, 0.1% THD threshold
    • Green SIGNAL LEDs, threshold 35 dB below clipping
    • Blue POWER LED, AC on
  • Rear Panel Controls: 
    • Full Range / Crossover switch
    • 100 Hz, 3rd order LP (sub), 2nd order HP (top)
  • Dimensions:
    • Height: 3.5" (89 mm) 2RU
    • Width: 19" (483 mm)
    • Depth: 10.1" (257 mm)
  • Weight:
    • Net: 27 lb (12.1 kg)
    • Shipping: 31 lb (14.1 kg)
Manufacturer QSC
SKU SQSCGX3
Model GX3-230
GTIN 0684284055224

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QSC
QSC
GX3-230
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