Time to get this site upgraded, so we are passing the hat around. We appreciate any donations. Seriously, even a dollar helps. The payment page may be found here - https://www.audiokarma.org/support.html
We appreciate your help
in keeping this site going.
It comes from the early days of tube radio when the 'A' battery was for filaments, 'B' battery was for the plates, and 'C' battery was for negative grid bias. Thereafter 'B plus' came to denote the plate supply of all non-battery power supplies.
07-12-2021, 07:41 AM
Hybrid Mode
