06-02-2011, 09:06 PM
No such tube as a 617FG. Believe it to be a 6L7G, pentagrid mixer amplifier, between the two metal tubes. Am I seeing things or is there not an eighth tube hidden behind the second glass tube from the left in the pix?
Lar, can you relist your tube lineup?
John
![Icon_confused Icon_confused](https://philcoradio.com/phorum/images/smilies/icon_confused.gif)
John