sub filters

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sub filters

Gary Smith
Almost done with the KRX3  :)

On my main board I have all slots filled with FL1=13K FM & FL2=6K
AM/ESSB FL3=2.8, FL4=1 & FL5=.250

For the Sub I don't need the AM or FM filters and I have matching
2.8, 1 & .250 filters

The sub instructions say to put the widest bandwidth filters nearest
FL1. Now I've got to think & that always hurts...

So do I fill slots 1, 2 & 3 (with the 2.8 in slot 1)?

or do I fill slots 3, 4 & 5 (with the 2.8 in slot 3)?

Thanks

Gary
KA1J
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Re: sub filters

Doug Joyce
Gary:  Either one works, just make sure you set it up in the Utility the way
you have it installed.

73,

Doug   VE3MV
----- Original Message -----
From: "Gary Smith" <[hidden email]>
To: <[hidden email]>
Sent: Saturday, January 10, 2009 4:33 PM
Subject: [Elecraft] sub filters


> Almost done with the KRX3  :)
>
> On my main board I have all slots filled with FL1=13K FM & FL2=6K
> AM/ESSB FL3=2.8, FL4=1 & FL5=.250
>
> For the Sub I don't need the AM or FM filters and I have matching
> 2.8, 1 & .250 filters
>
> The sub instructions say to put the widest bandwidth filters nearest
> FL1. Now I've got to think & that always hurts...
>
> So do I fill slots 1, 2 & 3 (with the 2.8 in slot 1)?
>
> or do I fill slots 3, 4 & 5 (with the 2.8 in slot 3)?
>
> Thanks
>
> Gary
> KA1J
> _______________________________________________
> Elecraft mailing list
> Post to: [hidden email]
> You must be a subscriber to post to the list.
> Subscriber Info (Addr. Change, sub, unsub etc.):
>  http://mailman.qth.net/mailman/listinfo/elecraft
>
> Help: http://mailman.qth.net/subscribers.htm
> Elecraft web page: http://www.elecraft.com
>


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Re: sub filters

Dick Dievendorff
In reply to this post by Gary Smith
I assume you're going to leave your main board alone.

FL1 = 13 kHz
FL2 = 6.0 kHz
FL3 = 2.8 kHz
FL4 = 1.0 kHz
FL5 = 250 Hz

Were it my rig, I'd install the sub's filters in FL1-3;

FL1 = 2.8 kHz
FL2 = 1.0 kHz
FL3 = 250 Hz

UNLESS I had plans for another filter in the sub in the near future.  If I
thought I might acquire a 1.8 kHz for the sub real soon, I'd leave a hole
for it.

I think it would also work just fine to put the sub's filters in FL3, FL4,
and FL5 so that FL4, for example, is the same width in both main and sub.



Dick, K6KR



-----Original Message-----
From: [hidden email]
[mailto:[hidden email]] On Behalf Of Gary Smith
Sent: Saturday, January 10, 2009 1:34 PM
To: [hidden email]
Subject: [Elecraft] sub filters

Almost done with the KRX3  :)

On my main board I have all slots filled with FL1=13K FM & FL2=6K
AM/ESSB FL3=2.8, FL4=1 & FL5=.250

For the Sub I don't need the AM or FM filters and I have matching
2.8, 1 & .250 filters

The sub instructions say to put the widest bandwidth filters nearest
FL1. Now I've got to think & that always hurts...

So do I fill slots 1, 2 & 3 (with the 2.8 in slot 1)?

or do I fill slots 3, 4 & 5 (with the 2.8 in slot 3)?

Thanks

Gary
KA1J
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Re: sub filters

Gary Smith
In reply to this post by Gary Smith
Thanks for the on & off list replies, I will leave 1 & 2 open.

It seemed as if that was the right thing to do for consistency of the
filters as I will be using diversity extensively. After a long day,
it's nice to relax without mental juggling.

73,

Gary
KA1J

> Almost done with the KRX3  :)
>
> On my main board I have all slots filled with FL1=13K FM & FL2=6K
> AM/ESSB FL3=2.8, FL4=1 & FL5=.250
>
> For the Sub I don't need the AM or FM filters and I have matching
> 2.8, 1 & .250 filters
>
> The sub instructions say to put the widest bandwidth filters nearest
> FL1. Now I've got to think & that always hurts...
>
> So do I fill slots 1, 2 & 3 (with the 2.8 in slot 1)?
>
> or do I fill slots 3, 4 & 5 (with the 2.8 in slot 3)?
>
> Thanks
>
> Gary
> KA1J
> _______________________________________________
> Elecraft mailing list
> Post to: [hidden email]
> You must be a subscriber to post to the list.
> Subscriber Info (Addr. Change, sub, unsub etc.):
>  http://mailman.qth.net/mailman/listinfo/elecraft   
>
> Help: http://mailman.qth.net/subscribers.htm
> Elecraft web page: http://www.elecraft.com
>


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