On 27/08/10 20:22, Paul Keinanen wrote:
On Fri, 27 Aug 2010 10:29:51 -0700 (PDT),
wrote:
I am looking for the same thing but with 1 volt tubes I'd like to
duplicate the old Zenith trans oceanic radio. Now there was a radio
that is proven.
Heptodes like 1R5 or DK91 were used in battery powered superhets, so
googling for these might bring up something interesting.
Paul OH3LWR
They are around, I sold a number of those battery radio valves recently.
The other thing to look out for are the miniature valves that were used
in deaf aids.
Charlie.
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