Expat Audio Uber Power Supply

Projects > Expat Audio Uber Power Supply

Expat Audio’s “Uber Power Supply” PCB provides an adjustable bipolar voltage as well as 48VDC phantom power from a single or dual-secondary transformer. The desired output voltages can be set during the build with different resistor values.

expat audio uber power supply pcb diy

Uber Power Supply Features:

  • Based on the CRC power supply design, modified for more flexibility
  • Uses Cockroft-Walton voltage multiplier circuit for low-noise phantom power


  • $12.95 for PCB
  • adjusted cost: $24.82

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