I agree with that thought, Reid. I did add a simple filter for the phones; an
old choke in series with the phones (out of a speaker system), added a 5ufd to
ground and dumped most of the hiss. Not the best approach, so when you work up a
solution let us know what works.
73,
Troy, W6HV
"Simmons, Reid W" wrote:
> If I have one complaint about the OMNI VI it's the background hiss (speakers
> or headphones). The noise reminds me of a regenerative receiver - like the
> one in my Heathkit Sixer. I have had my Omni VI for about 8 years now and I
> keep telling myself I'm going to do something about it, but I haven't yet.
> :-)
>
> Reid, K7YX
>
> -----Original Message-----
> From: Robert Weingaertner [mailto:weingaertner@nac.net]
> Sent: Wednesday, February 02, 2000 3:35 PM
> To: K & H Darwin
> Cc: TenTec List
> Subject: Re: [TenTec] Omni C / Corsair Hssssss.
>
> 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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