[TenTec] TT Orion 2 and inrad 2400 hrz ssb filter?

[Gary J FollettDukes HiFi]

I did not realize that the Inrad filters were not shielded. Thanks for the info. Also, not being 8 pole, I also wonder why one would pay extra for one.

Gary


> On Aug 25, 2016, at 4:29 AM, Barry N1EU <barry.n1eu at gmail.com> wrote:
> 
> If anything, I actually prefer the original Ten-Tec filters in this case
> because they were totally sealed/enclosed and thus may prefer superior
> crosstalk etc isolation to the unsealed Inrad filters.  This is totally
> opposite to the case for Omni 5/6 filters where Ten-Tec made unsealed
> filters (which also tended to lose spec over the years) and the IR filters
> were sealed.
> 
> Barry N1EU
> 
> On Thu, Aug 25, 2016 at 9:11 AM, Barry N1EU <barry.n1eu at gmail.com> wrote:
> 
>> 
>> 
>> On Thu, Aug 25, 2016 at 2:05 AM, Gary J FollettDukes HiFi <
>> dukeshifi at comcast.net> wrote:
>> 
>>> 
>>> The only possible gain one might realize from the Inroad filter is to put
>>> it where it belongs, in the 2.4 KHz slot in place of the 4 pole factory
>>> filter as I believe the Inroad is an 8 pole filter. This would sharpen the
>>> skirts of the roofing filter, offering somewhat better selectivity while
>>> still offering reasonable SSB bandwidth.The roofing filter is not even used
>>> in transmit so that change would not affect transmitter radio one iota.
>>> 
>>> 
>> Negative, the Inrad filter is a 4-pole filter.  Sorry, this effort is a
>> total waste of money and time.
>> 
>> 73, Barry N1EU
>> 
> _______________________________________________
> TenTec mailing list
> TenTec at contesting.com
> http://lists.contesting.com/mailman/listinfo/tentec