QSC GX5 500 Watt Professional Power Amplifier
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MSRP: $ 569.99 You save $120.00at NorrisAV.com!
GX Series amplifiers are ideal 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 clearly represents real value - something everyone can use.
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 GX5 uses a Class H system, based on key elements of the PL Series, (PLX, PL3, CX, DCA) almost doubling power in the same size and weight. QSC design expertise allows the output devices to shift from low-power to high-power rails in less than a millionth of a second, ensuring that the output power is always right where it needs to be without excess loss.
The GX5 uses apremium toroidal power transformer 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.
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.
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 - GX3 and GX5 less than 26 lbs (12.5 kg). GX7 only 15.5 lbs (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
| GX Series | ||||||
| SPECIFICATIONS | GX3 | GX5 | GX7 | |||
|---|---|---|---|---|---|---|
| Watts per channel | ||||||
| 8 ohms / 1 kHz (both channels driven) | 300 W | 500 W | 725 W | |||
| 8 ohms / 1 kHz (single channel driven) | 350 W | 600 W | 800 W | |||
| 4 ohms / 1 kHz (both channels driven) | 425 W | 700 W | 1000 W | |||
| 4 ohms / 1 kHz (single channel driven) | 500 W | 850 W | 1200 W | |||
| Distortion (1 dB below rated power, 1 kHz) | 8 ohms: less than 0.02% 4 ohms: less than 0.05% |
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| Signal to Noise (20 Hz - 20 kHz) | 100 dB | |||||
| Input Sensitivity | 1.2 Vrms | |||||
| Voltage Gain (8 ohms) | 32.2 dB | 34.4 dB | 36.1 dB | |||
| Output Circuitry | Class B | 2-tier Class H | 2-tier Class H | |||
| Power Requirements (1/8 power, pink noise at 4 ohms, 120V) | 6.3A | 6A | 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 and 1/4" TRS, balanced, parallel Phono, unbalanced |
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| 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 |
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| 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 |
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| Rear Panel Controls | Full Range / Crossover switch 100 Hz, 3rd order LP (sub), 2nd order HP (top) |
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| Dimensions | Height: 3.5" (89 mm) 2RU Width: 19" (483 mm) Depth: 10.1" (257 mm) |
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| Weight | Net: 27 lbs (12.1 kg) Shipping: 31 lbs (14.1 kg) |
Net: 28 lbs (12.6 kg) Shipping: 32 lbs (14.6 kg) |
120V model: Net: 15.5 lbs (7 kg) Shipping: 20.5 lbs (9.3 kg) 230V model: Net: 16.5 lbs (7.5 kg) Shipping: 21.5 lbs (9.75 kg) |
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