[Boatanchors] Sp-600 info

manualman at juno.com manualman at juno.com
Thu Jun 27 13:43:47 EDT 2013


Hammarlund web site:
http://www.hammarlund.info/SP600mods.htm
There were a number of articles in all the ham magazines back in the 60's
for adding product detectors to receivers.

Pete, wa2cwa

> > -----Original Message----- From: telegrapher at q.com
> > Sent: Thursday, June 27, 2013 12:19 PM
> > To: Boatanchors
> > Subject: [Boatanchors] Sp-600 info
> >
> > I wonder if there was ever a product detector circuit ever built 
> for
> > inclusion in the radio for one of these?  Or if one was just 
> conjured up
> > out of existing circuit design?  If so, what tubes did it utilize 
> and
> > what tube(s) did it replace?
> 
> > Larry
> > W0OGH



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