First Watt

Pass Labs now handles all First Watt distribution

Pass Laboratories now manages First Watt distribution, marketing, and service, based in Auburn, CA.

Four new DIY articles published

New DIY articles posted: DIY Front End 2022, DIY Power Supply Filter and Thump Relay, Speaker Camp 2022, and Sony VFET OS2.

First Watt F7 Power Amplifier

A two-stage push-pull JFET/MOSFET topology with fewer parts than any prior First Watt amplifier, using low negative voltage feedback and positive current feedback.