[TenTec] poor harsh audio on OMNI-V

[Dr. Gerald N. Johnson]

On Sat, 2009-03-28 at 19:30 -1000, Ken Brown wrote:
> >  Its certainly possible to have a faulty or none-standard narrow
> > filter.
> >
> >   
> Someone not interested in SSB operation could have put a 1.8 kHz filter 
> in for the "wide" default 9 MHz filter. (I am guessing the Omni V filter 
> selection scheme is very similar to the Omni VI, if I'm wrong about that 
> point then I could be wrong about this whole message) Check out the 
> stock number on the filter and see what you've got. If it was an Omni 
> VI, it should be a 48058, maybe the same for an Omni V. If it is a 
> 48037, it is too narrow for "nice" sounding SSB. If that were the case, 
> it would be in the SSB transmit path too. What kind of TX audio reports 
> do you get?
> 
> DE N6KB

Omni V and VI use the same filters and frequencies as Corsair and
Corsair II.
> 
> > Ten-Tec IF filter data
> >
> > Model Number / Stock Code / Bandwidth Hz / Center frequency MHz / Poles
> >
> > Following the number of poles are other numbers that have been reported
> > seen on these filters. They may be date codes or PCB design numbers.
> >
> > 216 / 48161 /  500 / 9.002210 / 6 RTTY filter
> > 217 / 48036 /  500 / 9.000750 / 8
> > 218 / 48037 / 1800 / 9.001500 / 8
> > 219 / 48055 /  250 / 9.000750 / 6 /8047 / 6840
> > ??? / 48057 /  ??? / ????     / 4 / 84-05
> > 220 / 48058 / 2400 / 9.001500 / 8 /8307 / 6840
> > 221 / 48243 /  250 / 9.000500 / 6 Low note CW filter
> > 282 / 48054 /  250 / 6.299250 / 8
> > 285 / 48053 /  500 / 6.299250 / 8
> > 288 / 48075 / 1800 / 6.300000 / 8 / 9125 / N5
> > unk / 48127 / 6000 / 9 / ?
> > unk / 48074 / 2400 / 6.3 / Stock (non-option) 6.3 MHz filter>
> 
73, Jerry, K0CQ