[ARC5] Transistorized LM

[Dan Osborne]

Here are the schematics for the Collins "Tubesters". I have several sets 
and have used these in
Collins S-line units for years. On rcv - the only downside is a 
reduction in dynamic range when using
the solid state replacements.

Dan O
W5AFY


On 8/31/2025 4:34 PM, Hubert Miller wrote:
> I just did a quick Google search on 'tubestors' and lo, there does not 
> seem to be any info jumping right out at you. Maybe later i should try 
> another engine. I was curious how they handled dropping the B+ down 
> from tube range to FET range. I have some lit "somewhere" but only 
> like advertising, nothing revelatory about the actual innards circuit. 
> These didn't seem to be on the market very long  did they ? In Frank 
> Zappa's words, they were gone like the elephant's footprints in the ocean.
> -Hue Miller
>
>
>
>
> Sent from my Galaxy
>
>
>
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-- 
W5AFY (ex WB5AFY) EM04id 972-839-6992 cell
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