[morzh]

So, the open is explaned by the open filament of 6C6 tube.
Also 43 tube has a short according to my Hikok.

Will need those.

Kirk, if you read this before siling me the 76, see if yo have those and put them in the mail together.

6A7 pentagrid is very weak but this is usual and expected, they work, just lose some sensitivity.