ok…looks like I misread what TT has installed….I will pull the 2.4 TT filter
and try the inrad filter in its stead and see what, if any difference, it
makes.
> On Aug 24, 2016, at 7:05 PM, Gary J FollettDukes HiFi <dukeshifi@comcast.net>
> wrote:
>
> I sure agree with you 100% on this Barry!
>
> The 1.8 KHz only kicks in when you narrow the passband bandwidth of the DSP
> to less than 1.8 KHz anyway so the bandwidth of the Inrad will not even be
> noticed.
>
> Also correct on the lack of cascading. On the Omni 5 and 6 there was
> cascading on the 9 MHz board so there was benefit in putting a 2.4 KHz filter
> into the N1 position of the 9 MHz hard as this produced 16 pole effective
> filtering. I did this several times using a standard Ten Tec 2.4 KHz filter
> in the N-1 slot and notices some improvement in adjacent signal rejection
> without the awful audio offered when using the 1.8 KHz filter.Not so in the
> Orion.
>
> 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.
>
> 73
>
> Gary
>
> W0DVN
>> On Aug 24, 2016, at 8:13 PM, Barry N1EU <barry.n1eu@gmail.com> wrote:
>>
>> Makes no sense to me. What was your thinking behind that plan? Maybe I'm
>> missing something, but the radio will work exactly the same with or without
>> a 2400hz filter in the 1800hz slot. There's no cascading in the Orion2 if
>> that was the thinking behind it.
>>
>> 73, Barry N1EU
>>
>> On Thu, Aug 25, 2016 at 12:39 AM, denton sprague <denton@oregontrail.net>
>> wrote:
>>
>>> I finally ordered an Inrad 2400 ssb filter for my Orion 2….will use it in
>>> the vacant 1800 hrz slot. Will be interesting to hear the difference in
>>> performance.
>>>
>>> Any comments?
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