[TenTec] Thoughts about Omni V filters

ron roncasa at verizon.net
Thu Nov 17 10:50:51 EST 2005


keith!
When you get replies on those questions, can you please let me know too?
I am sure others will want to know too.
Ron wb1hga
BTW: you have the same disease I have - its called Ten Tecdiction.
An addiction to TT products! (heh heh)

Darwin, Keith wrote:
  > I am about to receive a new-used Omni V and am wondering about filters.
> A couple of questions:
>  
> 1.  9 MHz vs 6.3 MHz filters:  IIRC, the first IF is 9 MHz so the 9 MHz
> filter will perform more like a roofing filter than the 6.3 MHz filter
> will.  So I assume the 9 MHz filter will produce greater benefit to
> dynamic range than the 6.3 will.  True?  If I had only one narrow filter
> is it better to have it in the 9 or 6.3 MHz position?
>  
> 2.  Which filters are the ones to pick for CW use?  I assume 500 Hz at 9
> MHz and both 500 and 250 Hz in the 6.3 MHz position.  How about 1.8 KHz
> at 9 MHz and 500 & 250 at 6.3?
>  
> 4.  TenTec's 250 Hz filters are 6 pole.  Inrad's are 8 I believe.  Why
> did TenTec not use 8 poles?  I assume to reduce ringing & overall
> attenuation.
>  
> 5.  Are the TenTec filters OK or should I really go Inrad?  I recall
> with my prior TenTecs (Omni D & Corsair II) having more leakage around
> the filter than I wanted.  I assume an Inrad filter would have less but
> that's an assumption.
>  
> I'm finding there is a real problem with TenTec rigs.  I can't stop at
> just one.  I have an Omni V on the way and I'm *still* wanting a Corsair
> II, Century 22 and of course the new Argonaut V and Orion II.  *Sigh*
>  
> - Keith   -
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