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: Product Info
London Power’s Amplifier Technologies – Evolution to Revolution
Invention. Innovation. Refinement. London Power has been designing new ways to do things since we began in the 1990s. Some of our methods evolve from old techniques with thoughtful innovation, while other techniques are simply revolutionary! Designers who believe there is nothing new in guitar amplifier electronics should look more closely – and more widely.[…]
POP Table of Contents
Principles of Power Table of Contents and List of Appendices Chapter 1: The Power Imperative Intent Acoustics Loudspeakers Chapter 2: Vacuum Tubes Early History Vacuum Tube Diodes Vacuum Triodes Tetrodes Pentodes Beam Power Pentodes Multi-Element Tube Standards Multiple Tubes Chapter 3: Power Supplies AC Power Power Transformers Rectifiers Half-Wave Rectifiers Full-Wave Rectifiers Power Supply Filtering[…]
RBX Raw Bias Auxiliary Supply – When Do You Need It?
Here is why some amps will need London Power’s RBX Raw Bias Auxiliary Supply along with a Power Scaling kit. Most guitar amps that are fixed biased have very poorly designed bias supplies, barely adequate to support the tube grids connected to them. Few have enough control range to actually turn the tubes ‘off’. Two[…]
Hammond Chassis Applications
London Power’s Hammond Chassis Applications Find London Power on Facebook
Rack-Mount Chassis from Hammond
RACK-MOUNT CHASSIS FOR KITS & DIY AMPS London Power offers chassis to house your projects! These rack-mount chassis are manufactured in Canada by Hammond Mfg., and come as “knock down” pieces that bolt together with four screws per panel. The rack mounting ears can be left off if the unit is to sit on a[…]
Selecting a London Power Preamp Kit
Build a Stand-Alone Tube Preamp for Guitar or Bass The London Power Preamp Kits series allows hobbyists to build a stand-alone tube preamp for guitar or bass. The PSU-PRE power supply supports up to four tubes and allows multiple preamp kits to be combined to create a multi-voice system. London Power’s Galactic Ground is used[…]
Independent Reviews of The Ultimate Tone Book Series
The following are independent reviews of our The Ultimate Tone series of books by Kevin O’Connor. Our thanks to the reviewers for sharing! ————————————————- “The Ultimate Tone – A Book Review of the Best DIY Guitar Tube Amplifier Series” Published March 29, 2010 by Mark Douglas Roberts, tubenexus.com See original review of The Ultimate Tone[…]
