What is Power Scaling? Power Scaling’s goal is to achieve the same tone as one’s preferred “loud sound,” but at a much lower volume. The method can involve one of over sixty distinct approaches, each with many variations. Power Scaling™ is a methodology developed by Kevin O’Connor of London Power. Is Power Scaling simply power reduction? • No.[…]
Category: Tech Articles
Learn more about tube amp and hi-fi audio design in these articles by Kevin O’Connor.
Tube Amp FAQ
Tube Guitar Amp Design & Modding FAQ Solid State info too! Quick Topic Links: ►Biasing ►Bias Switching ►Circuit Design ►Effects Loops ►Kit Questions: General ►Kit Applications ►Kit Assembly ►Licensing ►London Power Amps & Gear ►Modification Platforms ►Noise, Hum, Crackle, Buzz ►Pilot Lamp ►Playing Bass through Guitar Amp ►Power Scaling ►Power Scale Switching, ►Power Scaling vs.[…]
Effects Loop Truths
EFFECTS LOOPS This is a discussion of effects loops as used in London Power amplifiers, and described in our book The Ultimate Tone (TUT1) – and as understood (or misunderstood) by musicians. Effects loops have become a source of contention among players. Some like loops, and some don’t. The original iconic amps did not have[…]



