F5M

Power Amplifier project by Nelson Pass

Key Information

Power Amplifier Project
Designed by Nelson Pass
Intermediate Difficulty
Only Essentials Kit Available
Comprehensive Build Guide

Highlights

Simpler design to the original F5, without compromising the qualities which made the original one of the most popular First Watt amplifiers for DIYers everywhere.

Links, Discussions & Files

DIYers have been building variants of the First Watt F5 for many years. Now, we have the first of several "minimalist" designs from Nelson Pass, the F5m; fewer parts, easier to build, and all the fantastic sound you expect from a Nelson Pass amplifier design.

Go To the F5M Products

History

The original F5 amplifier was a commercial product made by First Watt in 2008, and like other FW projects, in a limited quantity. As with most First Watt amplifiers, the ever generous Nelson Pass released the design after the retirement of the commercial product. Happy DIYers have been building the F5 for many years, and it's one of the most popular amplifiers.

Now, we are thrilled to have the first of several "minimalist" designs from Nelson Pass, the F5m. It features fewer parts and it's easier to build than the original F5 while still maintaining the heart and soul of the F5.