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QSC GX7 Stereo Power Amplifier

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Product Description

Do you need a high powered, low-priced amp with professional performance while also being light in weight? Look no further than the QSC GX7 Power Amplifier! Like all QSC power amps, the GX7 was built to deliver professional audio quality, meticulous engineering, precision manufacturing and long-term reliability. Add contemporary styling, multiple input/output options, extreme light weight (only 15.5 lbs!), and advanced protection circuitry, and the QSC GX7 clearly represents real value!

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

QSC GX7 Stereo Power Amplifier Features
  • Power levels matched to the most popular speakers used by entertainers
  • Optimized for maximum real-world headroom into 4 ohm and 8 ohm speaker systems 
  • Versatile XLR, 1/4 inch TRS and phono input connectors for compatibility with any source
  • Speakon combo outputs accept 1/4 inch TS plugs or Speakon 2-pole and 4-pole plugs
  • Binding posts support all other speaker wiring systems
  • Loads of power and it still only weighs 15.5 pounds
The GX7 amplifier is powerful enough to handle most PA speakers on the market. Typically, 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.

The GX7 outputs 725 watts into an 8 ohm load. Owners of popular 4 ohm loudspeakers (such as dual-woofer, two-way models) will find the 700 watt (4 ohm) power of the GX5 an ideal match while the GX7's 1000 watts will very capably power many of today's popular subwoofers or two typical 8 ohm speakers per channel.

The QSC GX7 adds the road-proven PowerLight supply to the Class H output section, for more overall output power and additional weight savings. The result is one of the highest power-to-weight ratios in the industry. A low-noise variable-speed fan with rear-to-front airflow keeps amplifiers and racks cool.

As always, GX Series amplifiers are fully protected from the usual hazards of the trade, ensuring stable performance and long life.

GuardRail
GuardRail protection delivers full peak power while preventing detrimental overloads. During excessive clipping, or extreme overheating, GuardRail reduces gain just enough to preserve the integrity of the music, protect the speakers and keep the audience excited, without unprofessional distortion levels or shutdowns.

Subwoofer/Satellite Crossover
A subwoofer reduces strain on the full-range speaker, allowing it to play louder, or letting a smaller speaker do the same job. The GX Series supports this mode with a Crossover switch that splits the full-range input entering Ch 1, sending 20 Hz -100 Hz to the sub (Ch 1) and 100 Hz - 20 kHz to the top box (Ch 2). The front panel gain controls balance the sub and top box, while GuardRail optimizes peak power into the sub and top individually, for greater musical impact and dynamic range. GuardRail optimizes peak power into the sub and top individually, for greater musical impact and dynamic range.

Product Specifications

QSC GX7 Stereo Power Amplifier Specifications

  • Stereo Output:
    • 8 ohms / 1 kHz (both channels driven): 725 watts per side
    • 8 ohms / 1 kHz (single channel driven): 800 watts per side
    • 4 ohms / 1 kHz (both channels driven): 1000 watts per side
    • 4 ohms / 1 kHz (single channel driven): 1200 watts per side
  • 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 Vrms
  • Voltage Gain (8 ohms): 36.1 dB
  • Output Circuitry: 2-tier Class H
  • Power Requirements (1/8 power, pink noise at 4 ohms, 120V): 10.1A
  • Frequency Response: 20 Hz - 20 kHz, +0, -1 dB
  • Dynamic Headroom (4 ohms): 2 dB
  • Input Impedance (ohms): Greater than 20k (balanced)
  • Maximum Input Level: +24 dB (16 Vrms)
  • Input Connectors (each channel):
    • 3-pin XLR
    • 1/4 inch TRS
    • Phono unbalanced
  • Output Connectors (each channel):
    • Speakon
    • 1/4 inch
    • 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)
  • Dimensions(HxWxD): 3.5 x 19 x 10.1 inches (89 x 483 x 257 mm), 2 Rack Spaces
  • Weight: 15.5 lbs (7 kg)


Helpful Info about the Manufacturer
Phone:  800-772-2834 Warranty:  3 Years on New Amps; B-Stock is 1 (one) Year only!
Randy from Mechanicsburg , Ohio USA
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What is your overall opinion of this product?
We use this to power our subs . Perfect match for Peavey subs we have. Plenty of Powe didn't push the amp hard at all and brought the bottom alive . Well worth it . QVC quality product .
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