This is in response to the thread posted yesterday in tubes. Where does the hum come from. Need to reorient one of the open frame transformers 90 degr

[johncatoline13]

The hum is likely induced electromagnetic coupling between transformers. Should also have strong 120 hz component. Good luck.

 

[Mooly]

You really need to post this information to the thread concerned rather than start a new one 🙂 No one in that thread is likely to see this one

This thread is locked to further replies.