Id love to find a pair of 204A's and a 861 Ed!!
Carl
KM1H
----- Original Message -----
From: "Edward Swynar" <gswynar@durham.net>
To: <n8de@thepoint.net>
Cc: <amps@contesting.com>
Sent: Tuesday, September 01, 2009 10:55 AM
Subject: Re: [Amps] The 304H
> On 1st September, Don wrote:
>
> "...It's not worth the effort, as those OLD tubes are probably quite
> 'gassy'
> from sitting around for so long."
>
> **********************************
>
> Hi Don & Others,
>
> Many thanks for all of the interesting comments & suggestions received re.
> my request for info on the old H&K 304H triode transmitting tube...much
> appreciated!
>
> A common theme seems to be that these old "gassers" (pun intended!) are
> probably good only for display purposes because of their age: well, that
> is
> doubtlessly a fact with some of the older, big jugs like the 861, but do
> NOT
> sell all of the classic oldtimers short like that!
>
> I've just come upstairs to type this after listening to W1HLR & Co. on
> 75-meters AM, with my 2003-built homebrew 1929-style retro-superheterodyne
> receiver...and it uses 12 globe / balloon tubes which were all designed
> (and
> probably manufactured) in 1929, or sooner! (224A's, 227's. 245's, and a
> 280).
>
> OT radio fans will recall the Antique Wireless Association's successful
> endaevor of a few years back when W2ZM & others re-constructed a 160-meter
> 4x204A MOPA transmitter in celebration of the Transatlantic radio tests of
> the early 20's...the older-style of glass-enveloped 204A's were employed
> (which were probably manufactured shortly after the tube's intro in, what,
> 1921...?), and by all accounts, the set-up worked flawlessly...
>
> The long & the short is simply this: don't dump your "suspect" old
> hollowstate active devices into the dumpster destined for the landfill
> site---mail them to me!!! Hi Hi.
>
> ~73~ Eddy VE3CUI - VE3XZ
>
>
> _______________________________________________
> Amps mailing list
> Amps@contesting.com
> http://lists.contesting.com/mailman/listinfo/amps
_______________________________________________
Amps mailing list
Amps@contesting.com
http://lists.contesting.com/mailman/listinfo/amps
|