QSC GXD 8

Power Amplifier

  • Very low installation depth: 259 mm
  • Weight: Only 6 kg
  • Power: 2x 1200 W at 4 ohms
  • Hi-peak power up to 4500 W
  • Class-D output circuitry
  • Large, backlit 256p x 128p LC display
  • 2 Rotary encoders and 3 buttons for quick access
  • High-pass filter, 4th-order Linkwitz-Riley, adjustable frequency of 20 Hz up to 4 kHz
  • Low pass filter, 4th-order Linkwitz-Riley, adjustable frequency of 60 Hz up to 4 kHz
  • 4-Band parametric EQ with frequencies
  • Variable gain and bandwidth
  • Peak limiter: Protects the loudspeaker via the input of all individual power- and impedance data
  • Delay: Max. 50 ms
  • Digital gain: +10 dB / -100 dB
  • 20 Presets for the most popular speaker configurations, adjustable
  • Status LEDs: 2x Green: Signal / 2x Red: A/D Clip / 1x Blue: Indicates AC on
  • Inputs: 2x XLR and 2x 6.35 mm stereo jack
  • Outputs: 2x NL4, lockable (NL2 compatible) and 2x binding posts
  • Mono- or bi-amping connector
  • Protected circuit design and thermal protection
  • Power supply secured in case of instable power supply
  • Removable power cable (C13/safety plug)
  • Dimensions (W x H x D): 483 x 89 x 259 mm
  • Design: 19", 2U

Further information

Channels 2
Rack Units 2 U
2 Ohm stable No
DSP/Frequency Yes
Convection cooling No
3 customer ratings:
  • 5
  • 4
  • 3
  • 2
  • 1
4.7 / 5.0
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Total
features
handling
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quality

Top power amp

Riccardo Schult, 24.10.2015
We use it as a monitor output stage. The operation is a children's play. Use the Dual DSP for the two paths with two different speakers, whose different performance parameters can be set very easily on the output stage (limiter). It is easy anyway. Only the non-lockable XLR jacks interfere slightly. Likewise, I would find Powercon better, than the present cold plug connection. To filter or EQ I can say nothing, I have not yet used. The output stage would certainly also function quite well as a system output stage. Price / performance seems to me to be absolutely okay. Clear purchase recommendation.
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Perfect amplifier for a professional system.

26.09.2016
Without a doubt, this digital stage is one of the best in the market. Its operation is exceptional, with an integrated DSP (Digital Sound Processor) that allows us to use flip charts, gain adjustments, equalization, compression and limitation, Delays application, the possibility of creating "presets" and a total blocking for You can not manipulate these options.

The biggest glitch that I find to this stage, is that the USB connection that incorporates SOLO IS INPUT. It does not serve to control the amplifier from a software, or to update its internal firmware .... still, good buy thanks to its excellent quality price.

Recommended 100%.
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