29 November 2021 Update: Buying hifisonix PCB’s

Dear Customer Unfortunately hifisonix will no longer be able to sell PCB’s using Paypal. If you want to buy hifisonix PCB’s, please contact me at bonsai(at)hifisonix.com to arrange payment. We are looking for alternative payment methods and hopefully will be…

Hifisonix Standard PSU

Hifisonix Standard PSU

Here is a low noise general purpose linear power supply that can be used to power the HPA-1 Headphone amplifier or any other low noise small signal application. The Hifisonix Standard PSU features low noise, up to 400mA per rail…