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QSC GX7 Stereo Power Amplifier
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The most powerful of the GX family of QSC power amps, the QSC GX an ideal power amp for professional entertainers who require maximum performance and...Click To Read More About This Product
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QSC GX7 Stereo Power Amplifier
OVERVIEW
Extraordinary weight-to-power ratio.
The most powerful of the GX family of QSC power amps, the QSC GX an ideal power amp for professional entertainers who require maximum performance and portability on a limited budget. The hallmarks of the QSC brand - professional audio quality, meticulous engineering, precision manufacturing and long-term reliability - are all intrinsic to GX. Add contemporary styling, multiple input/output options, light weight, and advanced protection circuitry, and the GX Series represents real value.
GX amplifiers deliver just the right amount of power to the most popular speakers used by entertainers. 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 GX3 is ideal for speakers in the 300 watt (Program) range, while the GX5 provides full performance for 500 watt (Program) speakers. 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 GX7a uses premium toroidal power transformers for reliable "mid-weight" performance. A variable-speed fan moves air crosswise through the amplifier, drawing cool air in over the power transformer, through the fan, and then over the heat sink. This keeps the transformer cool and allows a full size heat sink to fit in a down-sized chassis.
The GX7 also features 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.
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
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-pole 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 - 15.5 lb.
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
For budget, power and ease of transport, buy today.
SPECIFICATIONS
8 ohms / 1kHz (both channels driven) 725 W
8 ohms / 1kHz (single channel driven) 800 W
4 ohms / 1kHz (both channels driven) 1000 W
4 ohms / 1kHz (single channel driven) 1200 W
Distortion (1dB below rated power, 1kHz) 8 ohms: less than 0.02%
4 ohms: less than 0.05%
Signal to Noise (20Hz - 20kHz): 100dB
Input Sensitivity: 1.2 Vrms
Voltage Gain (8 ohms): 36.1dB
Output Circuitry: 2-tier Calss H
Power Requirements (1/8 power, pink noise at 4 ohms, 120V): 10.1A
Frequency Response 20Hz - 20kHz: +0, -1dB
Dynamic Headroom (4 ohms): 2dB
Input Impedance (ohms): 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 -35dB
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" 2RU
Width: 19"
Depth: 10.1"
Weight Net: 15.5 lb.
Agency Approvals UL, CE, RoHS/WEEE Compliant
8 ohms / 1kHz (single channel driven) 800 W
4 ohms / 1kHz (both channels driven) 1000 W
4 ohms / 1kHz (single channel driven) 1200 W
Distortion (1dB below rated power, 1kHz) 8 ohms: less than 0.02%
4 ohms: less than 0.05%
Signal to Noise (20Hz - 20kHz): 100dB
Input Sensitivity: 1.2 Vrms
Voltage Gain (8 ohms): 36.1dB
Output Circuitry: 2-tier Calss H
Power Requirements (1/8 power, pink noise at 4 ohms, 120V): 10.1A
Frequency Response 20Hz - 20kHz: +0, -1dB
Dynamic Headroom (4 ohms): 2dB
Input Impedance (ohms): 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 -35dB
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" 2RU
Width: 19"
Depth: 10.1"
Weight Net: 15.5 lb.
Agency Approvals UL, CE, RoHS/WEEE Compliant
Musician's Friend Gold Coverage
Gold Coverage goes above and beyond the manufacturer's warranty to protect your gear from unexpected breakdowns, accidental damage from handling and failures. This plan covers your product for one, two, three or up to five years from your date of purchase, costs just pennies per day and gives you a complete "no-worry" solution for protecting your investment.
Gold Coverage Includes:
- Unexpected and unintentional spills, drops and cracks
- Normal wear and tear
- Power surges
- Dust, internal heat and humidity
Other plan features include:
- For products over $200, No Lemon Policy applies. If it fails for the same defect 3 times, it is replaced on the 4th breakdown. (Does not apply to failures due to drops, spills, and cracks)
- For products under $200 experiencing the above failures, a Musician's Friend gift card will be issued for the full price of the product + tax.
- Shipping fees covered if required for repair or replacement
- Plans are transferable in the event merchandise is sold
- Plans are renewable on new gear
*Limitations and exclusions apply. See terms and conditions (Opens in new window) for program details
Term for New Gear begins on date of purchase but does not replace the store return policy or manufacturer coverage.
Reviews
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Review Snapshot
by PowerReviewsQSCGX7 Stereo Power Amplifier
(based on 6 reviews)
Ratings Distribution
100%
of respondents would recommend this to a friend.
Pros
- Good power output (7)
- Excellent sound (6)
- Easy to use (4)
- Portable (4)
Cons
No Cons
Best Uses
- Performances (5)
- Outdoor events / games (3)
- Reviewer Profile:
- Experienced (4)
Reviewed by 6 customers
Displaying reviews 1-6
Pros
- Easy To Use
- Excellent Sound
- Good Power
- Light weight
- Portable
- Powerful
- Price
Cons
Best Uses
- Events
- Performances
Comments about QSC GX7 Stereo Power Amplifier:
I had purchased the GX5 to run my monitors and really liked the response i got.So i decided to try a GX7 on my top cabinets and was just as pleased with the performance i received from it so it was a no brainer to go back and get another to try on my subs,and to no surprise it has performed like a champ so i will be purchasing a few more of the GX7's to fill out my amp rack.
Pros
- Easy To Use
- Excellent Sound
- Portable
- Powerful
- Very Easy To Hook Up
Cons
- None
Best Uses
- Performances
Comments about QSC GX7 Stereo Power Amplifier:
I had a good power amp but was not powerful enough for my speakers and I wanted one which was not to heavy to carry around. This one fit the bill with power rating and the weight and the name which a lot of people recommend. So I bought another one, I liked it so much.
Pros
- Easy To Use
- Excellent Sound
- Good Warmth
- Portable
- Powerful
Cons
Best Uses
- Events
- Mobile DJ
- Performances
Comments about QSC GX7 Stereo Power Amplifier:
Bought this amplifier for several reasons. I have a GX5 and I really like it. I needed something that could power a pair of JRX118s subwoofers.
This amplifier powers them quite nicely, with plenty of power to spare. Lots of headroom and a really nice sound.
I am using this amplifier in a rack along with a GX5 and assorted monitor amplifiers.
The venue is a 250 seat auditorium that has 10-12 concerts per year. You can really feel the low ends now. Tested it out with some classical (Also Sprach Zarathustra) and a variety of old rock tunes. The warmth it adds to the sound is really nice.
Great amp, reasonable price.
Pros
- Easy To Use
- Excellent Sound
- Good Warmth
- Portable
- Powerful
Cons
- No brigged mono
Best Uses
- Performances
Comments about QSC GX7 Stereo Power Amplifier:
No issues with power pushing 2 Eden 4 10 cabs. Plenty of power with a nice clean sound. I drive this for bass with an Eden preamp and there is ample head room.
Pros
- Excellent Sound
- Powerful
Cons
Best Uses
- Events
- Mobile DJ
Comments about QSC GX7 Stereo Power Amplifier:
This is a great power amp for those that are looking to power passive speakers and subwoofers. Excellent price love it!
Pros
- Excellent Sound
- Powerful
Cons
Best Uses
- Performances
Comments about QSC GX7 Stereo Power Amplifier:
value for the unit power is a great deal. And it is lighter than the lower watt units... nice!
Displaying reviews 1-6
Questions & Answers
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