, London Power/Power Press

QS-LV - Quiet Supply for Low-Voltage Tube Amps

Quiet that Champ, Valve Jr., GA-3/4/5/6 and all the clones!...

$51.00

TUT4 - The Ultimate Tone Vol. 4

417 pages, 548 schematics. A complete history and discourse on Power Scaling. Fully integrated systems are explained: choice of components, choice of circuits and how to deploy seamless installations in existing equipment....

$110.00

TUT6 - The Ultimate Tone Vol. 6

312 pages, 404 figures. Details DC Power Scaling, class-G tube amps, Z-B-X amps, the basics of Dumble amps, the 400W amp craze, secrets of sustain, AC mains control, the evolution of high-gain preamps and more....

$72.00

RSG - Ready Set Go!

82 pages; 43 schematics. Kevin O'Connor's "beginner book." Symbols, standard notation, colour codes, impedance and other electronic principles ... all explained. What a relief....

$28.00

All 11 Books - Special Deal

All eleven books by Kevin O'Connor at a substantial savings. Read yourself silly - and then build your masterpiece....

$530.00

SV84 - Super-Versatile Super-Value Power Scaling Kit for Single-Node

Power Scaling for inexpensive amps with a single supply node....

$48.00

PA66-PCB - Octal Push-Pull Power Amp - Board Only

Available as board-only or in various combos with components. Push-pull power amp. Very versatile....

$80.00

F-PRE - Fender Style Preamp Kit

North American-style clean preamp. Two gain stages with EQ and level control in between. Classic warm clean sound....

$120.00

Z-PRE - High Gain Preamp Kit

Based on the London Power "Zen" amp - a high-gain monster for shredders and modern guitar soundsmiths. ...

$150.00

SUS-2 - Sustain & Compression Enhancer for Cathode Bias

For any cathode-biased power amp or preamp gain stage. Allows high-bias amplifiers to exhibit compression effects....

$30.00

AMP-10 - 10W Tube Power Amp with Matching Power Supply

10W tube power amp, special deal! Octal power amp + matching power supply unit....

$450.00 $400.00

Tube amp kits, tube amp books, and tube guitar amplifiers with Power Scaling! Technology and inspiration for musicians, builders and hobbyists.

Enjoy our broad selection of books, kits and parts for audio building, from tube amps, preamps, and guitar and bass projects, to innovative sonic enhancements. Our London Power Amplifiers and other MI products will soon be listed on this site as well.

Please browse both our products and our Technical Articles. If you like the information on this site, just imagine what you'll find in our books!

We support what we sell, and encourage you to contact us regarding applications for and installation of our products.

Technical Articles

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 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 on not just the "how" but the "why" of audio amplifier design. Please enjoy the information listed on this site, and don't hesitate to contact us with questions.

Contact Us

(807) 473-0952
11 am - 6 pm, M-F
(807) 939-1324 (fax)
amps@londonpower.com
PO Box 10012, Thunder Bay, ON P7B 6T6 CANADA