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

[Phil (VA3UX)]

Good stuff Gary.  It looks like a lot of them are already there.

Thanks...Phil

At 09:37 PM 3/20/2002 -0500, Gary Schafer wrote:
>Check out this web site that I ran across the other day. It has a lot of
>that stuff there. Several pages of specs on most tubes. Might save you
>guys some work.
>
>http://frank.nostalgiaair.org/
>
>73
>Gary  K4FMX
>
>
>
>Bob Bruhns wrote:
>
> > Oh yeah, oh yeah, oh yeah.
> >
> > If you have too much to scan yourself, send me photocopies and I'll
> > scan them too.
> >
> >   Bacon, WA3WDR
> >
> > ----- Original Message -----
> > From: "Phil (VA3UX)" <phil at vaxxine.com>
> > To: <amradio at mailman.qth.net>
> > Sent: Wednesday, March 20, 2002 8:17 PM
> > Subject: Re: [AMRadio] 75TH vs. 75TL (was Class C stuff)
> >
> > > 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.
> > >
> > >-------------------------------------------------------------------
> > -------------------
> > > >
> > > >
> > > >_______________________________________________
> > > >AMRadio mailing list
> > > >AMRadio at mailman.qth.net
> > > >http://mailman.qth.net/mailman/listinfo/amradio
> > >
> > >
> > > _______________________________________________
> > > AMRadio mailing list
> > > AMRadio at mailman.qth.net
> > > http://mailman.qth.net/mailman/listinfo/amradio
> > >
> >
> > _______________________________________________
> > AMRadio mailing list
> > AMRadio at mailman.qth.net
> > http://mailman.qth.net/mailman/listinfo/amradio
>
>_______________________________________________
>AMRadio mailing list
>AMRadio at mailman.qth.net
>http://mailman.qth.net/mailman/listinfo/amradio