Comments on: I need help making a cavity tube amplifier? http://audiograveyard.info/engineering/i-need-help-making-a-cavity-tube-amplifier All About vintage pro audio Tue, 07 Feb 2012 13:18:17 +0000 http://wordpress.org/?v=2.2.2 By: d9p_in_the_village http://audiograveyard.info/engineering/i-need-help-making-a-cavity-tube-amplifier#comment-840 d9p_in_the_village Mon, 16 Nov 2009 05:07:08 +0000 http://audiograveyard.info/engineering/i-need-help-making-a-cavity-tube-amplifier#comment-840 Here is a fairly easy circuit with an explanation. The pentode circuit is about halfway down on the page. Here is a fairly easy circuit with an explanation. The pentode circuit is about halfway down on the page.

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