The solution is to roll off the audio response at higher frequencies,
as some manufacturers do to mask synthesizer noise. However, the
audio may then sound too muddy, i.e. too much bass. Ten Tec
has this same broad audio response in all of its rigs. I don't
feel that it is really a problem.
73, Bob WB2VUF
K & H Darwin wrote:
>
> On RX, I've noticed both the Omni C and my previous rig (Corsair II) has a
> rather pronounced hssssss, with the Corsair II being worse.
>
> With the Omni, the hsssss doesn't change when I engage the attenuator (but
> signals do). The hssss does go down when I reduce RF gain and also when I
> reduce AF gain. Only some of the hsssss goes away when I kick in the audio
> CW filter. I think both the IF and AF stages are causing it.
>
> So, is there any solution?
>
> Itsssss really sssssstarting to get to me. :)
>
> Keith Darwin
> KD1E
> Ferrisburg, VT
>
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