Here are the great designs you've grown to expect from diy•tube. This site gathers all our current product offerings in one place, for convenient referencing and easy ordering. Continue to follow the diy•tube forum at diytube.com as our amplifier and DIY customers and other vacuum tube enthusiasts share their valuable advice and experiences.
Vacuum tube phono preamplifier -
The design closely resembles the Eico HF-
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