Power Scaling Builders & Installers

LICENSED 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 Power Scaling 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.

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.

EGNATER AMPS
Maywood, CA
www.egnateramps.com

FARGEN AMPLIFICATION – EXCLUSIVE AMPS
North Highlands, CA
www.exclusiveamps.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 – Belgium
RUTHERGERG AMPLIFICATION
Geoffrey Herbrand rtb@gmail.com

EUROPE – Spain
MPF-SOUND
www.mpf-sound.es
Mario Punsola builds beautiful amps, cabinets and other valve equipment in Cardedeu, Barcelona, Spain, with models including Power Scaling. He also does repairs,maintenance and modifications.

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.

SOUTH AMERICA – Brazil
LIFESOUND AMPS
Alvorada Rio Grande do Sul
www.lifesound.com.br
Luciano Silva builds amps that capture the British vibe but with modern playing requirements, such as effects loops and Power Scaling. He also does repairs and mods.


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
tubeamptech@bell.net

Rick Hayward (Hayward Amps)
St. John’s, Newfoundland
709-745-6807
rick.amps@gmail.com

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

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 – Spain
Mario Punsola (MPF-Sound)
Cardedeu, Barcelona, Spain
www.mpf-sound.es

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

SOUTH AMERICA – Brazil
LIFESOUND AMPS
Alvorada Rio Grande do Sul
www.lifesound.com.br
Luciano Silva builds amps that capture the British vibe but with modern playing requirements, such as effects loops and Power Scaling. He also does repairs and mods.

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