[drakelist] FS: Drake T-4XB Xmtr with 8 pics, Needs TLC?

Hi All; I 'fished" this xmtr out of my closet, been there for years. I borrowed a supply from a friend and was bringing it up on a variac when at around 80vac or so, the supply started to Hum/vibrate. All was in standby or NON-x Mode, so there was it was not in xmit that I know of. I was thinking t

[drakelist] 12BY7 solid tube help needed

"Jim Pruitt" <[EMAIL PROTECTED]> made an utterence to the drakelist gang -- Does anyone happen to have a drawing for the 12BY7 solid tube or how to make one? I have the April 1977 issue of QST article that Howard Sartori wrote be