1000W stage power amplifier finished board


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1000W stage power amplifier finished board.

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1000W stage power amplifier finished board.


  • Supply voltage: DC ± 20V to ± 95V is recommended for use within ± 40 to 80V
  • Effective power: maximum 500W/8Ω of (± 95V power supply)
    • 1000W/4Ω (± 95V supply)
    • 1000W/2Ω (± 65V supply) 2Ω load should not exceed ± 65V power supply


The output power is basically determined by the supply voltage and speaker impedance, use the lower the voltage, the smaller the power.

  • Maximum Class A Power: 100W (RMS) ± 45V power supply, load 8 ohms, total quiescent current of 2.5A
  • Harmonic Distortion: <0.01 10W/8Ω
  • Frequency response: 1Hz-160KHz (-3dB)
  • Conversion rate: 25V/us
  • Signal-to-noise ratio:> 95dB
  • Gain: 40 times

PR-800 amplifier using high-voltage high-power output design, use high pressure tubes are selected and rigorously tested the input pipe ON 2N5551 2N5401, voltage amplifier stage with two pairs of audio signal ON tube MPSA42 MPSA92 zoom in parallel, to promote the use of high-voltage high-power audio tube more on the tube in order to increase the level of current output capability and linear MJE15034 MJE15035, output stage using Toshiba's latest launch of fever power tube TTA1943 TTC5200 per channel 4 on the output , the power of emotion!

Packet include:  PR-800  amplifier board x1 pair  < not include heat sink>


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1000W stage power amplifier finished board

1000W stage power amplifier finished board

1000W stage power amplifier finished board.

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