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Audio modulation of VTTC FYI



Hello all,

I have placed a quick and dirty schematic of my Grid, audio modulated, Tube
coil on my website:

http://www.pond-dot-net/~davidt/webdoc2.htg/Tube%20coil/audio_mod.jpg

A coil such as this should make a great attention getter. So far, John
Freau has had some success replicating results using a 813 pentode tube.

Any comments, suggestions are encouraged,

Regards,

David Trimmell