Chimera Labs Mods & Tweaks

The Williamson Amplifier circuit is used in some fine vintage amps. It is still used in many tube amps produced today. Here is how you can modify the Williamson circuit for stunning sound performance.

Williamson Tube Amplifier Modifications Tube Amplifier Modifications The Audible Illudions Tube Preamps offer excellent performance. It's not hard to find used units at attractive prices. Here is how to make a very nice tube preamp sound even better.

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