I'll check that out. Along the same lines though I
notice my two recievers dont' sound about the same.
My main sound bassey and my sub sounds tinny. Anyone
--- Grant Youngman <firstname.lastname@example.org> wrote:
> I observed something pretty significant tonight
> while doing some comparisons
> between the Main and Sub receivers. I hadn't used
> the Sub on anything but
> AM since the II arrived. It's 2.030, resets done.
> Set up for a wide bandwith in LSB/USB (4-5Khz+),
> both radios seem to sound
> about the same. As the bandwidth is narrowed on the
> Sub receiver, I think
> there is a PBT shift (not reflected in the settings)
> taking place as well.
> For example, with both Main and Sub tuned to the
> same LSB signal at about
> 1.8 Khz bandwidth, I have to set the Sub's PBT to
> somewhere around +500 to
> match the response of the two receivers. I'm sure
> it's the Sub that's not
> working correctly because as you narrow the
> bandwidth you can hear the
> response get "tinny", as though PBT were sliding to
> cut the low end side of
> the signal. The Main responds normally and just
> loses high frequencies as
> the bandwidth is narrowed.
> On USB, the situation is the same, except the Sub
> PBT has to be offset in
> the other direction by the same amount.
> Everything seems fine on the CW modes. As far as I
> can discern audibly, the
> problem manifests only on SSB modes.
> I've checked and double checked, and all of the
> other parameters are set
> identically on the two radios.
> Has anyone else observed this odd behavior? Note to
> ditsbits in progress
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