[Amps] Terminology Question

[WYsixK]

If I remember correctly, in early radio use:   A+ was the filament
voltage, B+ was the high voltage, and C- was the bias voltage.

Michael
--- RMead100@aol.com 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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