Notes - Comments - Suggestions - Opinions
From Our Engineering Staff and
articles we generally agree with.

Loudness and Volume Control

RMS Watts and (DAP) Dynamic Audio Power Watts

Biasing your Power Output Tubes
Fixed and Cathode bias

How a vacuum tube works &
Class of operation explained

The Cool Sound of Tubes

How Tubes are Made

Hum Problems and AC Grounding

A few designs we try to avoid