[Hammarlund] SSB adapter

[Leigh Sedgwick]

You have it correct Mike.  Good SSB reception can be obtained by "manually" 
reducing the RF gain on the R-390A but some folks don't like that. 
Certainly, a good product detector enhances SSB and CW reception but is not 
necessary to get good results.  There is a rather simple product detector 
mod for the R-390A that many swear by...I just havn't tried it.  There are 
about a million threads on this subject in the archives if you wish to know 
more.  But in answer to your question, the R-390A is just fine the way it 
was designed.

Just my humble opinion....

73 de Mike
K7PI


----- Original Message ----- 
From: "Mike Taylor" <reel2reel at hotmail.com>
To: <hammarlund at mailman.qth.net>
Sent: Wednesday, January 26, 2005 6:58 PM
Subject: [Hammarlund] SSB adapter


> Hi group. I don't exactly understand what a product detector does. My 
> HQ-180
> has one and does a fine job. My HQ-110C (yes, the original clock still
> works) has no product detector but does a fine job on SSB. I can even get
> some pretty good SSB on my old Knight Kit StarRoamer by turning up the
> sensitivity control to throw  the IF amp into oscillation. So why would 
> such
> fine receivers like the SP-600 and R390 be lousy on sideband? Never had 
> the
> opportunity to try either radio, but hope to own both some day. 73's, Mike
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