/challenges-projects/project14/backtoanalog/b/blog/posts/hiraga-pre-amp-build-part-1Well, at last, I found my donor, a SONY TC-188SD Cassette Player. The cassette door will be clear plexiglass so can see the tubes glow. If I can get the parts, I will have a rather unique power supply that you only see in very exotic stuff. There a..en-USTelligent Community 12