QSC GX5 Power Amfi 2x700-watt /4-ohm

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  • 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
 
SPECIFICATIONSGX3GX5GX7
 Watts per channel
8 ohms / 1 kHz (both channels driven)300 W500 W725 W
8 ohms / 1 kHz (single channel driven)350 W600 W800 W
4 ohms / 1 kHz (both channels driven)425 W700 W1000 W
4 ohms / 1 kHz (single channel driven)500 W850 W1200 W
Distortion (1 dB below rated power, 1 kHz) 8 ohms: less than 0.02%
4 ohms: less than 0.05%
Signal to Noise (20 Hz - 20 kHz)100 dB
Input Sensitivity1.2 Vrms
Voltage Gain (8 ohms)32.2 dB34.4 dB36.1 dB
Output CircuitryClass B2-tier Class H2-tier Class H
Power Requirements (1/8 power, pink noise at 4 ohms, 120V)6.3A6A10.1A
Frequency Response20 Hz - 20 kHz, +0, -1 dB
Dynamic Headroom (4 ohms)2 dB
Input Impedance (ohms)Greater than 20k (balanced)
Maximum Input Level+24 dBu (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 ProtectionShort circuit, open circuit, thermal, RF protection
Load protected against DC faults
Front 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 on
Rear 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: 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)
Agency ApprovalsUL, CE, RoHS/WEEE Compliant
AC Current and Heating, 120 VACGX3GX5GX7
Operating ConditionAC ampsBTU/hrAC ampsBTU/hrAC ampsBTU/hr
Idle0.2440.3600.682
8 + 8 ohms, 1/8 power 14.19043.37346.71169
8 + 8 ohms, 1/3 power 26.111608.5145613.31807
8 + 8 ohms, full power 39.75110916.2189126.52167
4 + 4 ohms, 1/8 power 16.315155.8116010.11963
4 + 4 ohms, 1/3 power 29.4210511.2216218.52612
4 + 4 ohms, full power 315.0229724.53754404478
 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


 

SPECIFICATIONSGX3GX5GX7
 Output power per channel
8 ohms / 1 kHz (both channels driven)300 W500 W725 W
8 ohms / 1 kHz (single channel driven)350 W600 W800 W
4 ohms / 1 kHz (both channels driven)425 W700 W1000 W
4 ohms / 1 kHz (single channel driven)500 W850 W1200 W
Distortion (1 dB below rated power, 1 kHz)8 ohms: less than 0.02%
4 ohms: less than 0.05%
Signal to Noise (20 Hz - 20 kHz)100 dB
Input Sensitivity1.2 V rms
Voltage Gain32.2 dB34.4 dB36.1 dB
Output CircuitryClass B2-tier Class H2-tier Class H
Power Requirements (1/8 power, pink noise at 4 ohms, 120V)6.3 A6 A10.1 A
Frequency Response20 Hz–20 kHz, +0, -1 dB
Dynamic Headroom (4 ohms)2 dB
Input ImpedanceGreater than 20 kΩ (balanced)
Maximum Input Level+24 dBu (16 V rms)
Input Connectors (each channel)3-pin XLR and 1/4-inch TRS, balanced, parallel
Phono, unbalanced
Output Connectors (each channel)Speakon®, 1/4-inch, Binding posts
Amplifier and Load ProtectionShort circuit, open circuit, thermal, RF protection
Load protected against DC faults
Front Panel Controls and IndicatorsGain controls, 21 detents
Red CLIP LEDs, proportional, 0.1% THD threshold
Green SIGNAL LEDs, threshold 35 dB below clipping
Blue POWER LED, AC on
Rear Panel ControlsFull Range / Crossover switch
100 Hz, 3rd order LP (sub), 2nd order HP (top)
DimensionsHeight: 3.5-inch (89 mm) 2RU
Width: 19-inch (483 mm)
Depth: 10.1-inch (257 mm)
WeightNet: 27 lb (12.1 kg)
Shipping: 31 lb (14.1 kg)
Net: 28 lb (12.6 kg)
Shipping: 32 lb (14.6 kg)
120V model:
Net: 15.5 lb (7 kg)
Shipping: 20.5 lb (9.3 kg)
230V model:
Net: 16.5 lb (7.5 kg)
Shipping: 21.5 lb (9.75 kg)
Agency ApprovalsUL, CE, RoHS/WEEE Compliant
AC Current and Heating, 120 VAC
(multiply current by 0.5 for 230 VAC)
GX3GX5GX7
Operating ConditionAC ampsBTU/hourAC ampsBTU/hourAC ampsBTU/hour
Idle0.2440.3600.682
8 + 8 ohms, 1/8 power 14.19043.37346.71169
8 + 8 ohms, 1/3 power 26.111608.5145613.31807
8 + 8 ohms, full power 39.75110916.2189126.52167
4 + 4 ohms, 1/8 power 16.315155.8116010.11963
4 + 4 ohms, 1/3 power 29.4210511.2216218.52612
4 + 4 ohms, full power 315.0229724.53754404478
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