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Re: Tube forensics...


 

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Tuesday, April 29, 2025; 0944EDT (UTC-5)

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Dear Tim,

?

The comment in the blurb about frequent replacement

of the tetrode finals make me wonder if the designers

were Tetrode Men.

?

I¡¯m struggling with getting a GU-84b two-holer to the

point where I can put the key down on 10m, and the

most valuable asset was to include a GM3SEK

Tetrode Controller in the lineup.? The 2 ¡®84b¡¯s were

received N.I.B., but that doesn¡¯t stop a foolish move

from turning them to toast-in-a-heartbeat.

?

Hal Mandel W4HBM

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