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.


Please note - Holiday closing: Online orders placed until midnight Dec. 21 will be shipped. Then, we will be closed from Dec. 22, 2014 to Jan. 4, 2015 inclusive. You are welcome to order via our online system during this time - shipping will resume the week of Jan. 4. Have a happy and safe holiday!

Technical Articles: Read On

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

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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.

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(807) 473-0952
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PO Box 10012, Thunder Bay, ON P7B 6T6 CANADA