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Old 29th June 2004, 08:16 PM   #1
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Join Date: Jun 2004
Location: UK
Default Dead simple tube circuit

I am looking to make a DEAD simple tube circuit, preferably with only 1 triode (or maybe pentode/tetrode) tube in it, for the sake of a physics project, looking a how it affects the wave forms of sounds going through it etc.

Anyone with any schematics for this kind of project?
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Old 29th June 2004, 09:31 PM   #2
Fuling is offline Fuling  Sweden
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Join Date: Aug 2001
Location: Sweden (Mora)
A tube amplifier in its simplest form would be a triode and three resistors: a grid leak resistor, a plate (anode) resistor and a cathode resistor.

Have a look here:
http://www.tubecad.com/articles_2003...ier/index.html
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