>Is is normal for an amplifier under load to reduce in plate voltage ie.
>Watching dc volt meter 2500v
>key amplifier and talk swings back to say 2200v ?
yes
>the amperes meter goes
>forward
>I have been haveing a ongoing disscusion with someone and he say every
>amp, he has ever seen, the plate voltage stays the same???????
not unless the anode supply is regulated.
> I swear
>it seems to best of my memory which at times is not great but every amp
>i ever had when you put it under a load the plate voltage dropped.
> How does ohms law come into play here in this situation?
>chris NI4L
>
The 0hms in the transformer and the Ohms in the mains creates an I x R
voltage drop. 10% regulation is typical.
- R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K,
www.vcnet.com/measures.
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