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Top Seller
QSC GX3 Stereo Power Amplifier
- Item #:
- 1274034490353 POS #:104832845
- Write a Review
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Product Description:
The GX3 Stereo Power Amplifier from QSC is ideal for professional entertainers who require maximum performance and portability on a limited budget. QSC designers have optimized output and appearance of the GX3, while reducing raw material cost and weight. The rackmount GX3 power amp is ideal for speakers in the 300 watt (Program) range and supplies... Click To Read More About This Product
In Stock & Ready To Ship
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Gear returned in mint condition. If you're looking for a virtually new instrument in possibly less-than-perfect packaging, this is a great value.
- Includes 45-Day, No-Hassle Returns
- Includes full manufacturer's warranty
Gear returned in great condition, with only minor signs of use, such as slight scuffs or pick marks. It looks and plays like new and may be considered an equivalent to display units found in retail stores.
- Includes 45-Day, No-Hassle Returns
- Includes full manufacturer's warranty
Price:
$299.99
-
99
6-Month* financing available
$13/month‡ for 24 months
Free Store Pick Up:
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Rockville, MD
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Overview
The GX3 Stereo Power Amplifier from QSC is ideal for professional entertainers who require maximum performance and portability on a limited budget. QSC designers have optimized output and appearance of the GX3, while reducing raw material cost and weight. The rackmount GX3 power amp is ideal for speakers in the 300 watt (Program) range and supplies maximum possible power to 4 ohm and 8 ohm loads.
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.
Features
Power levels matched to the most popular speakers used by entertainers
Optimized for maximum real-world headroom into 4Ω and 8Ω 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 ” less than 26 lbs (12.5 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
Power Rating:
8Ω / both channels driven / 1 kHz: 300 W
8Ω / single channel driven / 1 kHz: 350 W
4Ω / both channels driven / 1 kHz; 425 W
4Ω / single channel driven / 1 kHz; 500 W
2Ω / both channels driven / 1 kHz; 200 W
Distortion (typical): 20 Hz - 20 kHz: 1 dB below rated power 8Ω: less than 0.05% / 4Ω: less than 0.1%
Signal to Noise: (20 Hz - 20 kHz) 100 dB
Input Sensitivity: 1.2 Vrms
Voltage Gain: (8Ω) 32.2 dB
Output Circuitry: Class B
Power Requirements: (1/8 power, pink noise at 4Ω, 120 V) 6.3A
Frequency Response: 20 Hz - 20 kHz, +0, 1 dB
Dynamic Headroom (4Ω): 2 dB
Damping Factor: 100
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)
Dimensions (HWD): 3.5" (2RU) x 19" x 10.1" (89 mm x 483 mm x 257 mm)
Weight: Shipping / Net 30 (13.5 kg) / 25 lbs (11.5 kg) Agency Approvals: UL, CE, RoHS/WEEE compliant
Pro Coverage
Guitar Center's Pro Coverage
Pro Coverage gives you added warranty protection for your gear. Stepping in where the manufacturer's "normal wear and tear" coverage ends, our Pro Coverage program offers you upgraded coverage if your product ever fails Click To Read More About This Product.
Pro Coverage includes
- Accidental damage protection
- Expedited repair or replacement
- Free shipping (for returns or repairs)
- 100% coverage for commercial use
- Extended price protection
- No lemon guarantee
- Free transfer of coverage to a new owner
- Repair costs covered for up to five years from date of purchase
- Repair authorization-toll-free by phone or via the web
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Customer Reviews
Questions & Answers View All
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Review Snapshot
by PowerReviewsQSCGX3 Stereo Power Amplifier
(based on 16 reviews)
Ratings Distribution
Reviewed by 16 customers
Displaying reviews 1-16
Comments about QSC GX3 Stereo Power Amplifier:
I bought my GX3, took it out of the box, lots of choices for your preference of speaker hook-up. I hooked mine up to two Kustom speakers and "Barely" turned the dial on the Amp....and Wow! is that sound loud and clear. Neddless to say I am very satisfied.......well I guess I would be a little more happy if it came with rack screws....
Comments about QSC GX3 Stereo Power Amplifier:
I went to get a Crown amp for my drum monitors and they were in the process of changing over models. I tried this amp and am really impressed. Nice, powerful, clean, clear and with a great price. Would buy this product again and recommend it to new buyers on a budget.
Comments about QSC GX3 Stereo Power Amplifier:
The Gx3 is a true value. Performance exceeds by a 1000% the cost range of this bass pounding with extreme clarity in all sonic ranges 2 rack space adrenalin fueled amp. Get It! I am getting more of them. Best amp find in years.
Comments about QSC GX3 Stereo Power Amplifier:
I purchased this amp used. I was very surprised at all the options for both inputs and outputs. I was happy to find there was a built in cross over function at 100hz. It fits in a shallow case so need for a large case. It does not weigh much and takes a beating. I used it outside a couple of times when it was over 100 degrees. I was eveing running it at clip for hours and it did not back down. The fan is loud under that condition but what do you expect under conditions like that. I am looking at another for my monitors!
Comments about QSC GX3 Stereo Power Amplifier:
I bought this is a temporary fix to bi-amplify my Martin Logan Electrostatic speakers, which are brutally revealing. I must tell everyone who's reading this, ............for professional or home amplification YOU WILL NOT BE SORRY!!!!!!!!!!! This amp can hang or smash some of the best in the home audio category, and personally I don't know how they did it other than sound, sincere engineering. QSC you have a customer for life, you pulled off something no one has done in maybe 20 years!
Comments about QSC GX3 Stereo Power Amplifier:
I bought this amp yesterday because my current Peavey PV 500 stopped working. I cannot believe how powerful and clear this amp sounds! Im running two MTX TP1200's for speakers and this Amp makes a great combo!
Comments about QSC GX3 Stereo Power Amplifier:
it is powerful for my bose 301 bookshelf, it makes my bose sounds good. it is perfectly for KARAOKE !!!!!!!!!!!!!!!!!!!!! thanks QSC for making a good product !!!!!!!!!!!
Comments about QSC GX3 Stereo Power Amplifier:
I'm fairly new to quality dj equipment. I've been toying around, off and on for the last 20 years or more . I mean, nothing really serious or even close to it. I've been just a fan of great sounding equipment and the different djs I've meet or partied to, out at weddings, parties, and clubs. I bought some really inexpensive junk and thought that it would be just as good as anything out there based on my use. BIG mistake, I just got back into it, after a couple years in the basement, and let me tell you this, if you don't have a lot of coin to spare , this system kicks butt. Whatever you do,(to each his own) don't waste your hard earned money and time with the cheap stuff ever. You will be very disappointed when you hear this thing. My wife has a very critical ear, and when I had the cheap junk, she knew it right away. She complained all the time. But today when I bought this thing home and had trouble lifting it, she knew this wasn't that cheap junk, I had before. Anyway long story short, it's clean,clear, and crisp at low volume, and makes our collection sound like it never has before. It's amazing for the price, it's a steal! Make your old songs sound new again...
Comments about QSC GX3 Stereo Power Amplifier:
I have been using QSC amps for more than 25 years. I started to purchase powered cabinets, but needed that raw power and warmth. I have used this GX-3 about 10 times, indoor, outdoor with audiences up to 500. More than enough for my mobile DJ sets. Has not failed me once. I knew once I set the levels, I would not have to check until the end of the gig. Everyone compliments me on my sound and I owe it all to QSC and of course GC.
Comments about QSC GX3 Stereo Power Amplifier:
QSC GX3 really amplified the stereo power
Comments about QSC GX3 Stereo Power Amplifier:
Great tight sound as expected from QSC. I caught it on sale too so great deal.
Pros
- Easy To Use
- Excellent Sound
- Good Warmth
- Portable
- Powerful
Cons
Best Uses
- Performances
Comments about QSC GX3 Stereo Power Amplifier:
I had enough Powered Speakers with Class D amps. I could start a graveyard. This thing is real! It is replacing an almost 30 year-old QSC 1400 that will end up in my studio. I will use with a pair of Bose 802s on my keyboard rig. This has plenty of headroom! I wanted small and low powered and ended up with a MONSTER. Thanks GC……
Comments about GX3 Stereo Power Amplifier:
Purchased this item after reading reviews and it did not disappoint. Sounds clear and plenty of power for our use of a monitor amp. Also plenty of hookup options.
Comments about GX3 Stereo Power Amplifier:
So far this Amp has been great. Has plenty of power and is very clear. Not too heavy either which is nice when humping around a rack.
Comments about QSC GX3 Stereo Power Amplifier:
very good it so powerfull
Comments about QSC GX3 Stereo Power Amplifier:
I wanted a rackmount amp for my home studio and bought the GX3. I don't need as much power as the GX3 provides but I like the amp. I was really impressed by the sound quality and the solid construction. What I really like is the volume controls with the detent switches. This provides easy balancing the of the two output channels. I was also concerned about the fan noise but it's really not noticeable during playback. I also like the assortment of connections on the back panel.
Displaying reviews 1-16
Questions & Answers
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