01-30-2018, 01:22 PM
Tim, have you tried the Free Radio Database yet? It doesn't recognize Parmak or Parker, nor does entering it as a 7 tube set. So guessing that maybe the 6E5 was a later addition I entered it as a 6 tube set and got some hits..... maybe one of them will be close???
http://grillecloth.com/sylvania/tubelist...ubmit&db=5
http://grillecloth.com/sylvania/tubelist...ubmit&db=5
John KK4ZLF
Lexington, KY
"illegitimis non carborundum"