[Amps] AL-811 Tube Swap

[Jay Sturtevant]

Could the graphite plate of a 572B transform from a solid to a gas by
sublimation?

I would want to know a rough probability of damaging the finals (gassy) by
driving them with an input using audio compression or data in a contest or
bench test. Doesn't compression bring thd average output closer to peak
output? What's the area under the curve look like?

Perhaps some of the experienced contributors could give soe guidance.

Thanks for your help!

Jay, K2ZT

On Wed, Apr 28, 2021, 1:16 PM Richard Solomon <dickw1ksz at gmail.com> wrote:

> I have an old AL-811 on the Test Bench
> I use when I need a little more starch for
> test purposes.
>
> I thought about replacing the 811's with
> 572B's.
>
> Any pitfalls on that idea ?
>
> Tnx, Dick, W1KSZ
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