GI-7B Ceramic Power Triodes for Linear Amplifiers FREE UK Post
A Pair of GI-7B power triodes still in their original packing. Lots of articles on the web about these. 4 Pairs & 2 Single tubes available.
A Pair of GI-7B power triodes still in their original packing. Lots of articles on the web about these. 4 Pairs & 2 Single tubes available.
