Impedance at the plates is more than 50 ohms.
Joe W4AAB
----- Original Message -----
From: "Jack Schmidling" <[EMAIL PROTECTED]>
To: "Discussion of AM Radio in the Amateur Service"
<[email protected]>
Sent: Friday, November 17, 2006 5:49 PM
Subject: Re: [AMRadio] Ranger Audio... the numbers
> Larry Taft wrote:
>
> > Just from "rule of thumb" for audio tube amps you should get a couple
> > hundred volts audio swing (not related to BIRD WATTS) at each plate to
> > ground. 50 v is only a couple of watts audio.
>
> Could you explain the math on that? How do you arrive at watts knowing
> only volts?
>
> As a data point, 50v into a 50 ohm load is 50Watts
>
>
> js
>
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