[1000mp] MK 5 filter recommendations request

Mon, 20 Oct 2003 13:48:50 -0700

Al I have the Collins Mechanical filters in my FT-1000MP and really like
them BUT have no experience with the INRAD filters but do know that those
that have them think they are great.

Rod WC7N

----- Original Message ----- 
From: "Al Toothaker" <[email protected]>
To: <[email protected]>
Sent: Monday, October 20, 2003 1:32 PM
Subject: [1000mp] MK 5 filter recommendations request

> I am also ready for an HF transceiver upgrade from a dying TS940 and the
MK
> 5 is one of two choices I am considering.  Anyone care to elaborate on the
> filter subject or why you may or may not like the Collins for CW?
>
> I operate a lot of CW and have been using the Kenwood crystal filters at
> 500Hz for years and have not really become familiar with other filter
> options.  With 500Hz now, I find that there are still times when there are
> other stations too close for comfort.  Like when a DX station is working
> split but not wide split and some callers are too close to the DX
station's
> frequency for my comfort.  Not sure if a 250Hz is needed or if the other
> electronic filtering is adequate.  I guess I could try first and buy the
> Inrad later...
>
> Also, there is a feature called VBT, variable bandwidth tuning, on the
> Kenwood that does narrow the BW but at the cost of attenuating the desired
> signal.  This is bad when I am trying to work a weaker station.  I wish to
> avoid a filter and setting combination on the Mk 5 that does something
> similar so prefer to get the right filters installed.
>
> If this is not enough, any comments about what to put in the sub receiver?
> I think I would use if for spotting while working DX and is not as
critical,
> performance wise.
>
> So, I am looking for a recommendation as to which filters to install in
both
> IF's.  The Yaesu info does not say which to put in first:  2nd IF or 3rd
IF
> or if both together are required.
>
> Thanks a lot for any comments.
>
> Al, N6TA
>
>
>
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]]On Behalf Of Barry N1EU
> Sent: Monday, October 20, 2003 9:35 AM
> To: [email protected]
> Subject: [1000mp] going to purchase mark v
>
>
> PA1HR commented "Another advantage of the 2800 Hz filter in the main
> receiver is that this filter is used by the transmitter too! It really
gives
> you a noticable better sound for ragchewing etc. This is something to
> remember."
>
> If you use EDSP on ssb-t, the crystal filter is bypassed in generating the
> xmit signal.  For ragchewing on an uncrowded band, I use 100-3100hz.
>
> I do like Inrad filters, with 5 Inrads installed in my MP.  I also like
the
> Collins 500hz mechanical filter for cw reception.
>
> 73,
> Barry N1EU
>
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