London Power Tube Amp Products SUS-1 Sustain Kit Power Supply 25W The Ultimate Tone Book Series D-PRE Preamp Kit

Tube Amp Kits & Books • Preamp Kits • Guitar/Bass Amps • Hifi • Power Scaling • Technical Information • Downloads

Tube amp & hifi kits designed by Kevin O'Connor, with superior-quality parts. Browse our selection of O'Connor's tube amp and hifi books. Questions are welcome.

Also, make sure to enjoy the amplifier technical articles below.

January 2015: Note regarding Canadian Dollar - Savings Opportunity!
Our products are listed and charged in Canadian dollars. One US dollar is currently worth over $1.20 in Canadian dollars (Canadian dollar is valued at under 85 cents US). This means a savings for US customers - and for international customers who customarily consider the US and Canadian dollars to be equivalent. To check current exchange values, visit Bank of Canada Currency Converter.



Technical Articles: Read On

If you like the information on this site, just imagine what you'll find in our books!

We Support What We Sell
We encourage you to contact us regarding applications for and installation of our products.

About London Power

London Power was founded in 1990 by Kevin O'Connor, after two decades of research into innovative audio amplification techniques. Kevin is an audio designer, author and speaker, known for his proprietary methodology called Power Scaling, and for his eleven books on audio subjects. Whether you seek amps, kits or information, you'll find useful answers here on not just the "how" but the "why" of audio amplifier design. Please enjoy the information on this site, and don't hesitate to contact us with questions.

Contact Us

(807) 473-0952
11 am - 6 pm, M-F
PO Box 10012, Thunder Bay, ON P7B 6T6 CANADA