All schematics and designs are (c) Copyright 2001-2002 Gary Pimm. All rights reserved.

The C4S circuit presented in some schematics is from Bottlehead Corporation http://www.bottlehead.com

The high voltage/high current C4S is Voltseconds design http://www.siteswithstyle.com/VoltSecond/

You are welcome to build the circuits presented here for your own personal entertainment. You may NOT build from information on this page for commercial profit without a royalty agreement with the author in place.
 
WARNING!! Tube circuits contain high voltages and are dangerous to work on! Do not attempt to build any of these designs of you are not qualified. The author is not responsible for personal injury or property damage caused by use of the information on these pages.

Datsun 1200 photos

The Datsun 1200 stuff has absolutly nothing to do with audio. Just an old hobby coming back to life!

speakers 

images

schematics

Here is a link to the presentation given at the San Francisco Tube Festival. This was going to be a handout but it got to big to print 150 copies! Enjoy!

Triode festival handout