My OMNI VI/3 exhibits "fatiguing" audio only when the RF
gain is too high. Turn the RF gain up high and yes the audio
gets tiring in a hurry. Turn the RF gain down to a sensible
level (I don't think mine has ever been above half-way) and
the audio sounds great. This is only on CW that I'm talking
about since that's all I do with the radio.
The only way I can describe the difference in audio is that it
sounds "hard" in the O6 when the RF gain is up too high. It's
almost like every signal has a leading edge rise time that's too
short. My Corsair doesn't sound like that no matter where
the controls are set, it's always a little "soft". I put them
side-by-side last night to compare and the O6 sounds just
like the Corsair until I turn up the RF gain too high.
The passband tuning affects this also. If the PBT isn't set correctly,
the problem occurs more often. On my O6 the PBT has to be
set just a little to the left of center to sound best on CW. Filter
selection
and sidetone frequency affect the position.
73
Steve WA2SOC
Andrew Moore wrote:
>> I suspect there was something wrong
>> with your Omni, but I don't know what it might have been.
>>
>
> I don't think so -- I noticed it with both. I'm not sure how much DSP or
> noise reduction happens in the VI+, or the quietness of the receiver
> compared to what I'm used to, but something about it just didn't agree with
> my ears, and I wanted very badly to make it agree. It wasn't bad by any
> means -- just subtle, but there. It was more like the "signature" of the
> radio's audio than something specific.
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