I believe it is from the old broadcast receivers used by thousands of
families in the 20s and 30s before they had powerlines to rural areas. I
remember my grandfather and my dad speaking of the B battery. It supplied
the plate voltage.
73
Steve wd0ct
----- Original Message -----
From: <RMead100@aol.com>
To: <Amps@contesting.com>
Sent: Wednesday, March 20, 2002 7:51 PM
Subject: [Amps] Terminology Question
>
> 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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>
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