[Elecraft] K3: Actual bandwidth of Inrad 500hz 8-pole filter?

[Joe Subich, W4TV]

http://www.elecraft.com/K3/K3_filter_plots.htm does not list the
*INRAD* 500 Hz (or 1500 Hz) filter(s).  Those filters are only
available directly from INRAD (http://www.inrad.net/home.php?cat=140)
- items 727 and 728.

73,

    ... Joe, W4TV


On 2015-07-26 3:06 PM, Wayne Burdick wrote:
> There are accurate filter bandwidth plots on our website for each filter.
>
> Wayne
> N6KR
>
>
> On Jul 26, 2015, at 12:01 PM, "Joe Subich, W4TV" <lists at subich.com> wrote:
>
>>
>> Looking through the other rigs that use Inrad 8 pole filters in the
>> 8 - 9 MHz range, those filters for which curves are shown have 6 dB
>> bandwidths in the 580 - 595 Hz range.
>>
>> 73,
>>
>>    ... Joe, W4TV
>>
>>
>> On 2015-07-26 1:21 PM, Dick via Elecraft wrote:
>>> Would anyone know the actual bandwidth of the Inrad Model 728  500hz 8-pole
>>> filter?  Such as, the 250hz 8-pole has an  actual bandwidth of 370hz, and
>>> the 400hz 8-pole filter has an actual  bandwidth of 450hz.  (no graph is
>>> shown for the Model 728 like it is  for the others)
>>>
>>> Thanks & 73,
>>>
>>> Dick- K9OM
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