When radios used batteries for power, the high voltage battery was called
the "B" battery. Hense the term B+. I think the "A" battery was for
filament power and the "C" battery was for bias voltages........I think.
At 08:51 PM 3/20/02 -0500, you wrote:
>What is the origin of the B+ term in amp/radio/power supply terminology. I
>understand it to be the high voltage supply, but I do not know the origin of
>the designation and that has finally bothered me at age 52. It seems to me
>the only voltage referred to with this type of shorthand.........i.e. no A+
>or -; no B-, no C + or -.
>
>
>R Meadows
>k8BUX
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Bill Russell
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