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Old July 6th 07, 05:45 AM posted to alt.binaries.pictures.radio
Jim Mueller Jim Mueller is offline
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First recorded activity by RadioBanter: Apr 2007
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Default Lorenz Portable AM-FM - attached files (1/1)

1A3 (miniature) and 1R4 (loctal), although I suspect they were used mostly
in military 2-way FM radios.

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Jim Mueller

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"Neil S" wrote in message
news:wl8ji.15024$Io4.12763@edtnps89...
Jim, if you find out anything, or you delve into the circuit on this set,
I would really like to know how they did the detector for FM. Since
isolated cathode diodes are almost unknown in battery heated versions, did
they use crystal rectifiers?

Neil S.

"James Pernal" wrote in message
...
I'm trying to ID this Lorenz battery and AC AM-FM portable. Tube lineup
as found DC 90, DF96, IR5 DK91, DF96, DF97, DAF96, and 3V4 DL94.

As you can see no labels. US version is the only label. Not in
Beitmans,Nostalgiair. Radiomuseum (non-member) and other European
sources imply its tube lineup is close to a 56, but this does not have
LW or SW. The 55 does not have the DC90 converter horizontal underneath
the variable cap.

Any ideas? Unique model for US?

Thanks Jim