Kevin's February Tech Tip: Improve tube life in EL-84 equipped amplifiers
by adding a 1k-1W flame-proof screen resistor in series with pin-9 of each EL-84 present.
• TUBE AMP BOOKS
| The Ultimate Tone (TUT), by Kevin O'Connor, is the book that kick-started the boutique amp industry. Thousands of amp builders and hobbyists worldwide have enjoyed The Ultimate Tone (TUT) series, which is now up to its sixth volume. Many have called or written to us with glowing praise. Beginners can access the TUT series with TUT3, which is a construction-oriented volume with 18 "project-amps". Here you will find the "why" behind the "how" of tube amp design, in clear and entertaining form. Each TUT volume contains hundreds of schematics and diagrams. And ... we try to go easy on the math. Check out Kevin's other books as well, such as Tonnes of Tone - our "tinkerer's" book, and Ready Set Go - our beginners' book. |
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• TUBE AMP KITS/MODS
Effects loops, bias mods, relay kits - our selection will give you new directions in achieving your amp's "ultimate tone"! Now you can build into your own amps the same great features that London Power's amps have.
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• POWER SCALING KITS & MORE
Kevin O'Connor's Power Scaling methodology has become very popular, and has many interesting modes of application. Here you will find both "Super Flexible" and "Super Budget" Power Scaling Kits for your amp, as well as a selection of other power management kits such as the SUS-1 - Sustain and Compression Enhancer.
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• STAND-ALONE PREAMP KITS
This is our newest category! These kits include the parts and design notes you need to build your own stand-alone preamps, in a selection of "flavours" - from the D-PRE - Mini-Marshmallow Preamp to the S-PRE - London Power Spectrum Bass Preamp. We also offer related kits including the PSU-PRE - Power Supply for Tube Preamp and the REV - Reverb Loop.
• CONSTRUCTION SUPPLIES
Just what it says - parts you need for eyelet-board construction (the best method of hand-construction) plus good deals on certain transformers and chokes. Need a chassis for your project? Find them right here! (Tip: Our chassis insert panels can also be used as construction platforms.)
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