I would bet that the BFO is off frequency. Check the trimmer for the SB-N
crystal. That would be LSB on 80 & 40 meters and USB on 20M and above.Actually
if is sounds good on 20m SB-R it should sound bad on 75 & 40 SB-N as the
crystal for the BFO will be different.
73 Jim K4CGY
--- On Sat, 6/6/09, Don Rasmussen <wb8yqj@yahoo.com> wrote:
> From: Don Rasmussen <wb8yqj@yahoo.com>
> Subject: [TenTec] OMNI D BFO problem
> To: tentec@contesting.com
> Date: Saturday, June 6, 2009, 7:05 PM
> Hello All,
> My OMNI D sounds great on SB-R (reversed sideband), but
> sounds as if the passband is misadjusted for SB-N. That is
> to say OMNI D does not have IF shift on the front panel but
> sounds like if it did it would be turned to where the audio
> is all high's. Anyone have a common cause for this before I
> go looking inside the set, maybe some BFO issue?
> TIADon
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