All Books, Kits & Mods

Master list of all London Power / Power Press Publishing books, kits, mods and downloads.

REV-PCB

REV-PCB

$38.00

This is the London Power style reverb loop, using a push-pull reverb driver and two-stage recover.....

RLY - Mechanical Relay

RLY - Mechanical Relay

$12.00

RLY is comprised of a miniature 12Vdc relay on a PCB to make wiring easy. Mechanical relays p.....

RSG - Ready Set Go!

RSG - Ready Set Go!

$24.00

Ready Set Go! - An Electronic Reference for the Everyman By Kevin O'Connor, ©1999, ISBN 0-969.....

RSG-TOT - Ready Set Go + Tonnes of Tone Special

RSG-TOT - Ready Set Go + Tonnes of Tone Special

$53.00$46.00

Save 10% and get two of our popular books suitable for beginners - but still enjoyed by experts! .....

S-PRE - London Power Spectum Bass Preamp Kit

S-PRE - London Power Spectum Bass Preamp Kit

$115.00

The S-PRE is based on the preamp sections of London Power's SPECTRUM bass amps. The front end is .....

SEM - Single-Ended Mod

SEM - Single-Ended Mod

$10.00

The SEM allows the tone of a single-ended amp to be produced by any push-pull fixed-bias or catho.....

SL-MV - Splitter Limit Master Volume

SL-MV - Splitter Limit Master Volume

$19.00

Techs and amp designers have used various methods to control the gain of the Schmitt splitter as .....

SPKR - London Power Speaker Book

SPKR - London Power Speaker Book

$19.00

London Power DIY Speaker Cabinets for Musical Instrument Applications By Kevin O'Connor, ©200.....

SSH - Secrets & Secret Holders

SSH - Secrets & Secret Holders

$19.00

Secrets and Secret Holders - A Report on Intellectual Property in the Musical Instrument Amplifie.....

SUS-1 - Sustain & Compression Enhancer for Fixed Bias

SUS-1 - Sustain & Compression Enhancer for Fixed Bias

$38.00

SUS-1 is suitable for non-Power Scaled, fixed-bias amps. The signal envelope has three parts:.....

SUS-2 - Sustain & Compression Enhancer for Cathode Bias

SUS-2 - Sustain & Compression Enhancer for Cathode Bias

$12.00

The SUS-2 is suitable for cathode-biased amps. It can be used in single-ended or push-pull amplif.....

SUS-3 - Sustain & Compression Enhancer for Fixed Bias with Power Scaling

SUS-3 - Sustain & Compression Enhancer for Fixed Bias with Power Scaling

$12.00

The SUS-3 is specifically designed for fixed-biased amplifiers fitted with Power Scaling. The.....

SV-TT - Super-Versatile 2/3rds Power Scaling Kit for Tube Amp

SV-TT - Super-Versatile 2/3rds Power Scaling Kit for Tube Amp

$74.00

SV-TT is a truly universal Power Scaling solution for 100% of guitar and bass amps. SV-TT is .....

SV1 - Super-Versatile Super-Value Power Scaling Kit for Fixed Bias

SV1 - Super-Versatile Super-Value Power Scaling Kit for Fixed Bias

$78.00

SV1 + RBX is the Power Scaling solution for 99% of guitar and bass amps. These are the kits you n.....

SV2 - Super-Versatile Super-Value Power Scaling Kit for Cathode Bias

SV2 - Super-Versatile Super-Value Power Scaling Kit for Cathode Bias

$64.00

SV2 + VCK is the Power Scaling solution for 99% of all cathode-biased amps: Your amp is: <.....

SV3 - Super-Versatile Tracking High-Voltage Regulator

SV3 - Super-Versatile Tracking High-Voltage Regulator

$54.00

The SV3 Is a Tracking High-voltage Regulator used as part of a Power Scaling solution in tube amp.....

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

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

$48.00

Most guitar amplifiers have separate power supply nodes for the the screen and plate of the outpu.....

T5 - Switching Update

T5 - Switching Update

$0.00

FREE! Use link below for immediate access. Do not add to cart. Thanks! The Standard project f.....

TBS - Tracking Bias Supply Kit for Fixed-Bias

TBS - Tracking Bias Supply Kit for Fixed-Bias

$28.00

The TBS provides an easy installation of a tracking bias supply for fixed-biased amplifiers. The .....

TREM - Tremolo level tracker

TREM - Tremolo level tracker

$15.00

TREM provides automatic tremolo modulation depth control with Power Scale control adjustment for .....

TOT - Tonnes of Tone

TOT - Tonnes of Tone

$29.00

Tonnes of Tone - Electronic Projects for Guitar and Bass By Kevin O'Connor, ©1996, ISBN 0-969.....

TUT-DEAL - TUT Deal

TUT-DEAL - TUT Deal

$408.00$367.00

TUT-DEAL is all six volumes of The Ultimate Tone series. Buying the books separately would cost $.....

TUT - The Ultimate Tone

TUT - The Ultimate Tone

$68.00

The Ultimate Tone - Modifying and Custom Building Tube Guitar Amps By Kevin O'Connor, ©1995,.....

TUT2 - The Ultimate Tone Vol. 2

TUT2 - The Ultimate Tone Vol. 2

$48.00

The Ultimate Tone Vol. 2 - Systems Approach to Stage Sound Nirvana By Kevin O'Connor, ©1997,.....

TUT3 - The Ultimate Tone Vol. 3

TUT3 - The Ultimate Tone Vol. 3

$68.00

The Ultimate Tone Volume 3 - Generations of Tone By Kevin O'Connor, ©2002, ISBN 0-9698-6088-.....

TUT4 - The Ultimate Tone Vol. 4

TUT4 - The Ultimate Tone Vol. 4

$98.00

The Ultimate Tone Vol. 4 - Advanced Techniques for Modern Guitar Amp Design By Kevin O'Connor.....

TUT5 - The Ultimate Tone Vol. 5

TUT5 - The Ultimate Tone Vol. 5

$58.00

The Ultimate Tone Vol. 5 - Tone Capture By Kevin O'Connor, ©2004, ISBN 0-9698-608-9-7, &n.....

TUT6 - The Ultimate Tone Vol. 6

TUT6 - The Ultimate Tone Vol. 6

$68.00

The Ultimate Tone Vol. 6 - Timeless Tone Built for the Future Today   By Kevin O'Conno.....

TX316 - Push-Pull Reverb Driver Transformer

TX316 - Push-Pull Reverb Driver Transformer

$48.00

Hobbyists and amp builders can now use the same high-quality transformers and chokes found in Lon.....

TX364 - 150H Choke

TX364 - 150H Choke

$20.00

Hobbyists and amp builders can now use the same high-quality transformers and chokes found in Lon.....

TX365 - 3H Choke

TX365 - 3H Choke

$20.00

Hobbyists and amp builders can now use the same high-quality transformers and chokes found in Lon.....

TX976 - 50-100W Output Transformer

TX976 - 50-100W Output Transformer

$120.00

Hobbyists and amp builders can now use the same high-quality transformers and chokes found in Lon.....

V-PRE - Vox Top Boost Preamp

V-PRE - Vox Top Boost Preamp

$88.00

V-PRE is the famous Vox "Top Boost" channel of their classic AC-30 amp from the 1960s 3-w.....

V-PRE-HP

V-PRE-HP

$44.00

V-PRE-HP includes the "hard parts" for V-PRE Vox-Top-Boost-style Tube Preamp, including the print.....

V-PRE-PCB

V-PRE-PCB

$38.00

V-PRE-PCB is the printed circuit board and assembly notes for V-PRE Vox Top-Boost-style Tube Prea.....

VCK - Voltage Clamp Kit

VCK - Voltage Clamp Kit

$50.00

VCK Voltage Clamp Kit stabilises voltages in a tube preamp, helping to keep tone consistent with .....

VCK-HV - High-Voltage Clamp Kit

VCK-HV - High-Voltage Clamp Kit

$65.00

VCK-HV stabilises the supply voltage tagainst variations of incoming voltage. using an active reg.....

VCK-BLT - Pre-assembly of VCK

VCK-BLT - Pre-assembly of VCK

$40.00

Add VCK-BLT to your VCK order if you would like to receive this kit pre-assembled. The assemb.....

X212 - Electronic Crossover 2-way 12db

X212 - Electronic Crossover 2-way 12db

$2.00

X212 is an electronic crossover providing high-pass and low-pass outputs with 12db/octave slopes......

X224 - Electronic Crossover 2-way 24db

X224 - Electronic Crossover 2-way 24db

$2.00

X224 is an electronic crossover providing high-pass and low-pass outputs with 24db/octave slopes......

Z-PRE - High Gain Preamp Kit

Z-PRE - High Gain Preamp Kit

$115.00

Modern high-gain guitar sounds are easily produced with a pair of 12AX7 tubes in a cascaded four-.....

Z-PRE-HP

Z-PRE-HP

$50.00

Z-PRE-HP is the PCB plus tubes plus kit notes for the Zen-style High-gain Tube Preamp. See Z-.....

Z-PRE-PCB

Z-PRE-PCB

$38.00

Z-PRE-PCB is the PCB and notes for the Zen-style High-gain Tube Guitar Preamp. See Z-PRE for .....

MOLS - My Own Loudspeaker System

MOLS - My Own Loudspeaker System

$15.00

My Own Loudspeaker System By Giovanni Bianchi, ©2015, ISBN 978-0-9781311-2-8   .....

T5S - TUT5 Standard Project - Semiconductors only

T5S - TUT5 Standard Project - Semiconductors only

$36.00

For the hobbyist who can source most parts but wants the semiconductors from one source. This kit.....

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
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amps@londonpower.com
PO Box 10012, Thunder Bay, ON P7B 6T6 CANADA