[Johnson] Re: Johnson Digest, Vol 51, Issue 14

[Peter Markavage]

That's why I replaced those pots with 10 turn devices. Never had to
re-tweak during a QSO after that. Having tubes in the balanced modulator
that were reasonably close, spec-wise, also helped. The SB-10 still works
great here today.

Pete, wa2cwa
http://www.manualman.com
 
On Thu, 24 Apr 2008 12:38:49 -0600 "John Lyles" <jtml at losalamos.com>
writes:
> I remember my Apache/SB10 days in the 1970s well, as the carrier null 
> pots would run warm, and eventually I would get comments about 
> having a weak carrier in the background. I tweaked those pots at 
> least a few times every QSO. I never heard that my audio sounded 
> bad, just that there was a residual carrier. It was a good reason to 
> get rid of the SB10, so I thought. 
> 
> John 
> K5PRO