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The Ultimate Tone Community
Forums on designing and building audio amplifiers and accessories.
Forum Threads Posts Last Post
Q&A regarding Kevin O'Connor's "The Ultimate Tone" book series
6 25 Coupling Cap Types and Vo...
11-17-2018, 12:57 AM
by K O'Connor
Power Scaling
Discussion of London Power's Power Scaling methodology
2 19 Power Scaling WORKS!
11-12-2018, 09:54 PM
by soundmasterg
PCB Design
5 40 PCB design for guitar amp...
10-09-2018, 03:03 PM
by K O'Connor
Power Supplies
2 7 SMPS in guitar amps
09-13-2018, 12:55 PM
by guitarzan
Preamp Mods & Design
7 44 Master volumes
11-27-2018, 07:52 PM
by K O'Connor
Sag & Sustain
1 1 What is sag?
08-22-2018, 05:07 PM
by K O'Connor
1 6 Channel switching
11-19-2018, 02:45 PM
by jmcd
3 18 Wire choice
11-04-2018, 11:00 PM
by makinrose
Personal Projects
4 28 Traynor Mark 3
12-07-2018, 03:01 AM
by K O'Connor
Test & Measurement
Testing your project and test equipment selection
11-05-2018, 01:21 AM
by K O'Connor
New Member Introductions
You are welcome to let forum members know more about you! We're glad you are here.
8 10 Create an Internet market...
10 hours ago
by Skyblue18

Forum Threads Posts Last Post
London Power Amps & Gear
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London Power Kits & Mods
4 7 London Power - Power Scal...
11-04-2018, 05:36 PM
by makinrose
Gear for Sale by Forum Members
2 2 FS: LP Studio stereo powe...
09-12-2018, 05:53 PM
by davidespinosa
Vendor Info
Post here if you sell parts or services of interest to audio builders/hobbyists
1 1 Power Scaling Builders an...
10-26-2018, 05:49 PM
by London Power
Miscellaneous for Sale
Selling roosters, hammocks or shoe-horns? Post them here.
0 0

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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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