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Quest Engineering - QA 4004

2-channel 1700W Power Amplifier

Series: QA

Model: QA 4004

  • Parallel XLR inputs and low noise gain stage, silent switch on/off circuitry reduces potential speaker damage
  • High current power supply is manufactured to function reliably at high temperatures
  • Dual heavy duty cooling fans guarantee long life of all electronic components
  • International AES standard Speakon connectors wired for two channel and Bridge mono operation
  • Switchable high speed limiter acts as final speaker protection
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QA 4004 power amplifiers are built to work hard in the tough environment of pro audio. Industrial spec multi-speed fans and generous heat sinks will keep the output stage cool even if the amplifier is installed in a dusty and poorly ventilated area. Service and maintenance is easy as the internal architecture is laid out for easy access by a qualified technician. The sonically superior output stage is composed of a generous abundance of output devices for greater electronic stability and sonic fidelity. QA series amplifiers are manufactured to a standard accepted as desirable practice for a concert standard power amplifier. Heavy gauge welded 16-gauge steel chassis with vibration proof fittings, and an emphasis on over-engineering, guarantees years of trouble-free service in the most demanding environments. Quest set about a design and layout for easy service, not easy manufacture. A minimum of disassembly is required for testing and maintenance meaning lower operating costs and longer amplifier life.
  • Parallel XLR inputs and low noise gain stage, silent switch on/off circuitry reduces potential speaker damage
  • High current power supply is manufactured to function reliably at high temperatures
  • Dual heavy duty cooling fans guarantee long life of all electronic components
  • International AES standard Speakon connectors wired for two channel and Bridge mono operation
  • Switchable high speed limiter acts as final speaker protection
  • High and low pass filters on each channel make versatile QA series even more flexible with sub-mid/high frequency dividing network
  • Adjustable input switching for 1.4V, 32 dB or 26 dB make system calibration easy
  • User serviceable air filters are easy to maintain for trouble free operation
 
 

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