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QSC GX3 Stereo Power Amplifier

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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 ...Click To Read More About This Product

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OVERVIEW

Maximum performance at a modest price plus flexible I/O.

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.

QSC GX3 Stereo Power Amplifier Specifications:

Power Rating:
8 / both channels driven / 1 kHz: 300 W
8 / single channel driven / 1 kHz: 350 W
4 / both channels driven / 1 kHz; 425 W
4 / single channel driven / 1 kHz; 500 W
2 / both channels driven / 1 kHz; 200 W

Distortion (typical): 20 Hz - 20 kHz: 1 dB below rated power 8 : less than 0.05% / 4 : less than 0.1%
Signal to Noise: (20 Hz - 20 kHz) 100 dB
Input Sensitivity: 1.2 Vrms
Voltage Gain: (8 ) 32.2 dB
Output Circuitry: Class B
Power Requirements: (1/8 power, pink noise at 4 , 120 V) 6.3A
Frequency Response: 20 Hz - 20 kHz, +0, 1 dB
Dynamic Headroom (4 ): 2 dB
Damping Factor: 100
Input Impedance ( ): 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

QSC GX3 Stereo Power Amplifier Features:

Power levels matched to the most popular speakers used by entertainers
Optimized for maximum real-world headroom into 4 and 8 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

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
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