04-29-2022, 04:46 PM
You have me very curious. I connected pin 4 of the OS coil to the grid of 6A7 and B+ to pin 5.. Are you indicating reversal may help?i.e B+ to pin 4 and pin 5 to the 6A7 Grid?
Specification Sheet:
[Image: https://www.tubesandmore.com/sites/defau...sheet2.png]
Specification Sheet:
[Image: https://www.tubesandmore.com/sites/defau...sheet2.png]