Help with the RME Model 45

[Keith Rowland]

Dave:

RME-45:  Made from 1945-1947.  Has six bands covering 500 kHz to 33 mHz.  IF
is 455 kHz.  Crystal filter.  Nine tubes, which include:  7B7 RF, 7J7
Converter, 2-7B7 IF, 7B6 Detector/BFO, 7C7 First Audio, 7A6 Noise Limiter, 7C5
Audio Output and an 80 Rectifier.  Price:  $166.00.

There was also a Model RME-45B made in 1947 and 1948, same as the RME-45,
except for the following changes:

Two-speed tuning, calibrated bandspread, VR-150 regulator tube, and a better
noise limiter with an on/off switch.

That's all I have on them.

73,

Keith

DavidC wrote:

> Can someone assist my friend Jim with his questions (see below)?
> Please respond to him directly at: marijimc at axs.net
>  ~~~
>  ô¿ô
>  \ ~ / .... DavidC  K1YP
>
> > RME Model 45 - when was it made - 1941?  1931?  Later?  A most novel
> feature
> > of that radio.  It has a plug in crystal filter.  Not just any filter,
> then
> > again it is.  One filter with tank and resonate circuitry to tune it to
> any
> > bandwidth one wants from maybe 200 cps to 6 KC or so.  Really neat.  No
> one
> > seems to have information about that radio.  I have posted with the
> > boatanchors as well as the de ja news groups but no one seems to know
> > anything.  It has 7 - seven - tuning capacitors ganged together which is
> the
> > most unusual thing I have ever seen.  It also has two chains of tuned
> > circuits as if maybe a dual conversion with both oscillator/mixer stages
> are
> > just like the front end.  Really weird.  marijimc at axs.net
>
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