[Boatanchors] 75TH vs 75TL?
Rob Atkinson
ranchorobbo at gmail.com
Mon Mar 20 20:23:20 EDT 2017
The nomenclature means 75 watts Triode Low gain. One is low gain the
other high gain.
73
Rob
K5UJ
On 3/20/17, W2HX <w2hx at w2hx.com> wrote:
> Hi Friends,
>
> I have a transmitter that uses two 75th's for modulators. In my quest to
> always keep an eye out for spares I found a pair and bought them. When they
> arrived, I realized they were 75 TL's not THs. A quick look at their
> datasheets shows some differences and some similarities. I am not
> knowledgeable enough on tube technology to know whether the similarities
> would allow me to use these as replacement modulators, or whether their
> differences are too great.
>
> Maybe the answer is "depends ?"
>
> Any thoughts appreciated
> 73 Eugene W2HX
>
>
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