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Vari-High Voltage PSU

30,00 60,00 

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Calibration 55%

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THE ULTIMATE POWER SUPPLY FOR YOUR TUBE PREAMP OR COMPRESSOR!

Introducing the VARI-High Voltage PSU, the ideal companion for nearly any tube or high voltage DIY preamp and compressor project. Designed with convenience in mind, this PCB shares the same dimensions as our standard High Voltage PSU, ensuring a straightforward upgrade for your existing setup. This model boasts three independent voltage rails, perfect for powering tubes and additional peripherals. It also features thermal ventilation footprints for heat sinks and high-wattage resistors, ensuring efficient heat dissipation and reliable performance.

WHAT YOU NEED

  • Power Transformer
  • Regulators
  • High power transistors
  • Resistors
  • Electrolytic capacitors
  • Film capacitors
  • Terminal blocks
  • status LED’s
  • Heat sinks
  • TO-220 Iso kits

SPECIFICATIONS

  • TX primary 115-115v recommended
  • Secondaries must not exceed 350v for high voltage otherwise rerulator will fail.
  • Recommended 220-250VAC
    • 220-250@ 100mA
    • 9-12v @2-4A (heater)
    • 24v @1A
  • High voltage regulator LR8N3 + TIP50
    • 30-250vdc @ 100mA
  • Heater regulator LM338
    • 6,3vdc @4A
  • Spare regulator LM317
    • 3,5-24vdc @1,5A

Features

3 regulated voltage rails to cover most power requirements.

1 fully adjustable high voltage rail ranging from 32v-350vdc

1 Tube heater regulator delivering 6.3v @ 4A

1 companion regulator variable from 3.5-32v @ 1.5A perfect for lights and relay control.

2 independent status lights for visual voltage check. (no LED on High Voltage)

Independent ground planes for star grounding or ground lift options.

Same footprint as the standard High Voltage PSU.

Compact and low consumption regulators.

Documentation

Options

PCB only, PCB + parts


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