Power Scaling Builders & Installers

LICENCED POWER SCALING BUILDERS

These amplifier manufacturers are licensed by London Power to incorporate Power Scaling into their amplifier products, and to use the terms "Power Scale" and "Power Scaling."

CANADA
STEPHENSON AMPLIFICATION
POB 176
Parksville, BC V9P 2G4
250-954-2292 10am-5pm M-F Pacific Time
www.stephensonamps.com
Mark Stephenson was the first licensed-PS amp builder. His line ranges from his Power Scaled 1W Stage Hog to 40W heads, and pedals like the FMD booster and an amp switcher.

DAVIES AMPLIFICATION
British Columbia
corydavies@shaw.net
www.daviesaudio.com

OXYGEN AUDIO LTD
Vancouver, British Columbia, Canada
email: info@oxygenamps.com
phone:  (778) 808-587

USA
John Suhr (SUHR GUITARS)
Lake Elsinore, California
www.suhrguitars.com (951) 471-2334 (Tues-Friday 9-5)
The Suhr Badger amp has been exciting players for quite a while - check it out.

SOULTONE
Arizona
www.soultoneamps.com
Mickey Corrieri builds amps with Power Scaling in Arizona.

REEVES AMPLIFICATION
Cincinnati, OH
www.reevesamps.com

ACR AMPLIFICATION
Hawaii
Tel: 808-292-8331
acr25info@hawaii.rr.com

CIRCUITRIX
Rhode Island
www.circuitrix.com
Manny Bettencourt is a knowledgeable and friendly East-Coast amp builder who can repair, modify or build you an amp at a reasonable price. He is also a Power Scale installer.

KING AMPLIFICATION
San Jose, CA
www.kingamplification.com
Val King offers single-ended and push-pull amps of moderate power and Power Scaling.

REINHARDT AMPS
Evington, VA
Can be found on Facebook: Reinhardt Amps
Bob Reinhardt builds high-power stage amps with Power Scaling.

EGNATER AMPS
Maywood, CA
www.egnateramps.com

FARGEN AMPLIFICATION
North Highlands, CA
www.fargenamps.com

EUROPE - UK

MJW AMPLIFICATION
www.mjwamps.com
Martin Whelan at MJW Amplification in North Derbyshire is your source for service, modification and design of tube sound equipment, and for Power Scaling builds/installations.

RAT ELECTRONICS
Andy Dokken modifies Valve Jr amps, adding Power Scaling and other mods. He sells only through eBay.

AMP MAKER
www.ampmaker.com
Offers a kit/prebuilt model with stepped Power Scaling - a modest 10dB loudness reduction at the lowest setting.

EUROPE - Sweden
LEHNERT AMPS
Stockholm, Sweden
www.lehnert-amps.com
Our friend Ola Lehnert produces wonderful Lehnert combo amps with Power Scaling - built with the player in mind. He's also a Power Scaling installer.

 


AUTHORIZED POWER SCALING INSTALLERS

Looking for someone to install Power Scaling in your amp? Here is a list of recommended Power Scaling installers.

CANADA
Cory Davies (Davies Amplification)
British Columbia
corydavies@shaw.net

Brian Ohman (Tube Amp Technologies)
Central Ontario
Tel: 705-833-1234

Rick Hayward (Hayward Amps)
St. John's, Newfoundland
709-745-6807

Kevin Kaiser (Kaiser Amplification)
Montreal
www.kaiseramplification.ca

USA
Mike Putnam (Putnam Guitars Inc.)
New York
www.putnamguitars.com

Manny Bettencourt (Circuitrix)
Rhode Island
www.circuitrix.com

Brad Weeks,
NW Chicago, IL
Friendly, honest, professional mods and Power Scale installation
william.weeks@comcast.net

Val King (King Amplification)
California
www.kingamplification.com

John Suhr (Suhr Guitars)
California
www.suhrguitars.com

Albert Rivera (ACR Amplification)
Hawaii
Tel: 808-292-8331
acr25info@hawaii.rr.com

Frank Lamarra (Amp Lounge)
Michigan

Kevin Silva (Uncle Albert's amp repair)
Indiana
Tel: 800-416-2444  unclealberts2@juno.com

Europe - UK
Shane Dolman
West Midlands, Great Britain
Tel+44-07763-127166
shane_dolman@yahoo.com

Martin Whelan  (MJW Amplification)
Derbyshire, England
www.mjwamps.com

Andy Dokken (Rat Amps)

EUROPE - The Netherlands
Ed Thoen (Ed's Custom Shop)
Maarssen, The Netherlands
www.edscustomshop.com

EUROPE - Sweden
Ola Lehnert (Lehnert Amps)
Stockholm, Sweden
www.lehnert-amps.com

Martin Kuhn (Kuhnamps)
Järna, Sweden
www.kuhnamps.com

Kalle Norman (LH Musik & Audio AB)
www.lh-musik.se

EUROPE - GERMANY
Folker Staedel aka Bobby
www.bobbysreparaturen.de

 

Would you like to be part of this list? Contact London Power.

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