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Re: [Amps] A Naive Question...

To: Kim Elmore <>
Subject: Re: [Amps] A Naive Question...
From: "Lou Everett, Sr." <>
Date: Fri, 13 Jan 2023 00:09:48 -0500
List-post: <>
Will one or both of these calculators assist you?  Let me know.




On Fri, Jan 13, 2023 at 12:00 AM Kim Elmore <>

> When I look at transmit tube ratings, I see that they're always
> specified in watts, which makes perfect sense because the grid structure
> can dissipate only so much heat before all manner of Bad Things will
> happen. Every amp I've seen measures grid current, and the spec sheets
> specify currents for "typical" operating conditions for the various
> tubes. But... How do I convert grid current to grid dissipation? Do I
> need some kind of grid impedance to do that?
> Kim N5OP
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