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QSC Audio GX3 Amplifier

Code: GX3
  • £299.00
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The new range of quality yet affordable amplifiers from QSC. The GX3 gives 425w per side in to 4 ohms and 300w into 8 ohms.

GX Series amplifiers are ideal for professional entertainers who require maximum performance and portability on a limited budget. QSC designers, headed by Pat Quilter, have optimized output and appearance while reducing raw material cost and weight. It's all here – dramatic styling, easy hookup and adjustments, excellent audio quality and QSC reliability.


GX SeriesSPECIFICATIONSGX3GX58 ohms / 1 kHz (both channels driven)300 W500 W8 ohms / 1 kHz (single channels driven)350 W600 W4 ohms / 1 kHz (both channels driven)425 W700 W4 ohms / 1 kHz (single channels driven)500 W850 WDistortion (typical)

  20 Hz - 20 kHz, 1 dB below rated power

8 ohms: less than 0.05%

4 ohms: less than 0.1%Signal to Noise (20 Hz - 20 kHz)100 dBInput Sensitivity1.2 VrmsVoltage Gain (8 ohms)32.2 dB34.4 dBOutput CircuitryClass B2-tier Class HPower Requirements (1/8 power, pink noise at 4 ohms, 120V)6.3A6AFrequency Response20 Hz - 20 kHz, +0, -1 dBDynamic Headroom (4 ohms)2 dBInput 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, unbalancedOutput Connectors (each channel)Speakon®, 1/4", Binding Posts Amplifier and Load ProtectionShort circuit, open circuit, thermal, RF protection

Load protected against DC faultsFront Panel Controls and IndicatorsGain controls, 21 detents

Red Clip LEDs, proportional, 0.1% THD threshold

Green Signal LEDs, threshold -35 dB

Blue Power LED, AC onRear Panel ControlsFull Range / Crossover switch

100 Hz, 3rd order LP (sub), 2nd order HP (top) DimensionsHeight: 3.5" (89 mm) 2RU

Width: 19" (483 mm)

Depth: 10.1" (257 mm)WeightNet: 25 lbs (11.5 kg)

Shipping: 30 lbs (13.5 kg)Net: 26 lbs (12 kg)

Shipping: 31 lbs (14 kg)Agency ApprovalsUL, CE, RoHS/WEEE CompliantAC Power Consumption

1 1/8 power represents typical operating conditions

2 1/3 power represents peak program levels

3 Full power is breaker limited to short periods

For 230 V, multiply AC current by 0.5

For 100 V, multiply AC current by 1.25


This product has not been reviewed yet.