ATTENTION! SPHP users please read this.

As you know, SPHP is a high power voltage regulator. To quote Spiderman's Uncle Ben, “With great power comes great responsibility.” Please note the following and be careful during design and testing of your power supply:

SPZ is here!

SPZ, a small 3A SPJ replacement that fits into the space for a monolithic TO-220.

  • Same low noise
  • Same blazing step response
  • Same great ripple rejection
  • More current: 3A
AND it's small enough to directly replace a LM1117 or LM7805! Order now from our store.

SPHP—1000 Watts for your music server!

SPHP, a 10A Superpower with adjustable output voltage from 5V to 100V

  • Same low noise
  • Same blazing step response
  • Same great ripple rejection.
Just lots more current and much higher output voltage. Now for sale on our order page See more information in the data sheet here.

Authorized Upgrade Centers

Always wanted to improve your system but modifying it makes you nervous? Now you can let a professional do it! Go to our Authorized Upgrade Centers page to find companies that can replace your existing regulators with Belleson Superpower.

Build a power supply

A PCB and parts list for building a compact dual positive or positive+negative power supply are on this new page.

Transformer Calculator!

Use the Belleson Transformer Calculator to calculate the minimum Vrms voltage of a transformer for your Superpower based supplies.

It's Official

We're proud to announce the U.S. Patent and Trademark Office has granted patent 8,294,440 to the Superpower design.

Use the Superpower regulator in...

  • Headphone amps
  • DACs
  • Buffers
  • Clocks and reclockers
  • Preamps
  • Microphone preamps
  • Phono stages
  • Phono motors
  • Tube preamps and input stages
  • Line powered guitar effects boxes
  • Anywhere an extremely clean, quiet, dynamic power source is needed