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Power Scaling Builders and Installers
Wondering which manufacturers incorporate Power Scaling technology, or who you can hire to install it in your amp? Here's a handy list from the London Power website:

Power Scaling Builders & Installers

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Come in where it's warm!
A warm welcome to those interested in tube and hi-fi audio! Fans of Kevin O'Connor's The Ultimate Tone (TUT) book series form a part of our population. Kevin O'Connor is the creator of the popular Power Scaling methodology for amplifiers.
Please remember these three principles: respect, sharing, community.
Not familiar with The Ultimate Tone book series? See discussion topics, or click here to visit London Power/Power Press Publishing.

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