[AMRadio] 75TH vs. 75TL (was Class C stuff)

[Phil (VA3UX)]

I have an old Eimac catalog that has data on a lot of these old tubes, even 
plate curves on some of them.  ANy interest in me scanning them and posting 
them on my website ?

Phil

At 06:45 PM 3/20/2002 -0500, you wrote:
>I
> >What is the difference between the 75TH and 75TL? I seem to recall it was
> >only a different bias setting?
>
>'H' = high mu
>'L' = low mu
>
> >Also, with respect to the 30K-1 vs. 30K-5, I think the only difference in
> >in the PA deck - mod deck should be the same, so....is there an
> >adjustment somewhere on the mod deck for setting the bias on the
> >modulators? How much of a difference is there to use a 100TH instead? I
> >seem to recall you saying that you ran 100THs in yours....
>
>Check ARRL manual or Eimac tube sheets.
>
> >Brett Gazdzinski wrote:
>
> >> In my 30k-1, the 4-125 would glow very bright orange
> >> at 2500 volts and 150 ma.
> >> The 4-250 would show slight color, the 4-400 would not
> >> show any color at all.
>
>Why is no one surprised at this news?? <G>
>
>Bill
>--
>--------------------------------------------------------------------------------------
>wwd at netheaven.com  To the warriors go the spoils of war; to the hindmost 
>.  .  the surplus.
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