12-15-2017, 10:50 PM
Thats a really good question... I have some replacement parts lists that ampeg service centers got but they are from may 1975 and june 1976. The service memo was october of 1976. there isn't 6AN8 in the 1975 parts list, there is only one in the 1976 list, but it doesn't give a brand or anything.
I think a DC filament supply would definitely help the hum for that tube, and might just be there better way to go.
I think a DC filament supply would definitely help the hum for that tube, and might just be there better way to go.