08-14-2018, 08:02 PM
Hello folks,
I've got a '71 GU-12. I'm not a tech and I don't the answer... Does anyone know if the GU-12 is a cathode bias or grid biased amp?
Thanks in advance!
I've got a '71 GU-12. I'm not a tech and I don't the answer... Does anyone know if the GU-12 is a cathode bias or grid biased amp?
Thanks in advance!