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Item # H70032 | Customer Ratings: Ratings ( 5 Based on 7 reviews)

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QSC GX7 Stereo Power Amplifier
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      QSC GX7 Stereo Power Amplifier (H70032)
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Provides 1,000W at 4 ohms in a lightweight design with special protection technology.

The GX7 professional power amplifier continues in the tradition of QSC's top-selling GX Series professional power amplifiers by offering an attractive combination of power, fidelity, configurability, long-term reliability, and overall value.

At the heart of the GX7 is an all-new, advanced power supply based on the road-proven PowerLight Series technology. The result is a more overall power output in a lightweight casing compared to previous GX models—without any sacrifice in audio quality.

At 1000W per channel at 4 ohms, the GX7 provides more than ample power to connect up to four 500W 15" 2-way speakers or two 1000W subwoofers at a time. This will help to keep your overall system cost down while still maintaining maximum performance levels. The 8 ohm output is 725 watts per channel which yields considerable headroom and increased dynamic range for today's popular loudspeakers.

QSC GX7 Stereo Power Amplifier Features:

  • Road-proven PowerLight Series amplifier technology
    GuardRail (also found in K and KW Series loudspeakers) protects both the amp and speakers from damaging clipping and overload without audible pumping or distortion
    Subwoofer/Satellite crossover built-in
    Inputs: XLR, 1/4" TRS, and phono input connectors for compatibility with any source
    Minimum depth chassis (10.1"/257mm) fits in compact, inexpensive effects racks
    Outputs: Speakon combo accepts 1/4" (TS) plugs or Speakon 2-pole and 4-pole plugs (connects 2 poles only). Binding posts support all other speaker wiring systems
    Front panel LEDs monitor Power, Signal, and Clipping
    Lightweight


QSC GX7 Stereo Power Amplifier Specifications:

  • Power Rating:
    8Ω / both channels driven / 1 kHz: 725W
    8Ω / single channel driven / 1 kHz: 800W
    4Ω / both channels driven / 1 kHz; 1,000W
    4Ω / single channel driven / 1 kHz; 1,200W


    Distortion (typical): 20 Hz - 20 kHz: 1 dB below rated power 8Ω: less than 0.02% / 4Ω: less than 0.05%
    Signal to Noise: (20 Hz - 20 kHz) 100dB
    Input Sensitivity: 1.2 Vrms
    Voltage Gain: (8Ω) 33.1dB
    Output Circuitry: 2-tier Class H
    Power Requirements: (1/8 power, pink noise at 4Ω, 120 V): 10.1A
    Frequency Response: 20 Hz - 20 kHz, +0, 1 dB
    Dynamic Headroom (4Ω): 2dB
    Input Impedance (Ω): Greater than 20k (balanced)
    Maximum Input Level: +24 dB (16 Vrms)
    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
    Blue Power LED, AC on
    Rear Panel Controls: Full Range / Crossover switch
    100 Hz, 3rd order LP (sub), 2nd order HP (top)
    Amplifier dimensions (HxWxD): 3.5" (2RU) x 19" x 10.1" (89mm x 483mm x 257mm)
    Carton Dimensions (HxWxD): 5.75" x 23" x 14" (146mm x 584mm x 355mm)
    Net Weight: 15.5lb. (7kg)


Product Reviews
(Based on 7 reviews)
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Viewing Reviews 1 - 3 of 7 |
  • Unbelievable power at an excellent price.

    As reviewed by Robby on 3/7/2011

    First off, keep in mind this is in their "budget" series of amplifiers. The specs; s/n ratio, thd, and damping could be better, but you'll have to pay hundreds more for the powerlight amps to get studio quality. I just picked this amp up last week and used it at my first gig last night. (it was the 2nd gx7, the first one was DOA and had to exchange it, weird)I'm using it to power jbl mrx515 cabs and it is a great match. It puts out so much power to them, i was afraid to push it to clipping they were so loud. @ 725 watts x2, it's amazing how they pack so much power into a 15.5 lb frame. And for the price, i don't know if you find anything else close combined with the qsc quality. Great value/performance ratio. For my use as a mobile dj, it worked just fine for me and the sound was amazing. This should provide years of trouble-free use. Only negative, i feel the fan could be a little quieter.

    6 of 6 people found this review helpful.
    Was this review helpful?
  • great product

    As reviewed by LUIS LATRE on 6/18/2012

    for the price ,warranty, workmanship and power this amp is worth it ive had qsc and crown they both make great products but for me qsc would be the way to go qsc gives you more punch for the money.

    2 of 2 people found this review helpful.
    Was this review helpful?
  • Good Amp for the Buck...

    As reviewed by JMTIII on 6/2/2011

    I bought this amp to power a couple of stage monitors...The amp is performing to its capacity and beyond! The inputs and outputs are straight forward and no confusing options/features you probably don't need anyway! Nothing negative to say at this time!...QSC, keep up the good work!!!...

    2 of 2 people found this review helpful.
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