[Drake] AM Filter Advice for TR-7

Jim DiMauro jfd at warwick.net
Sat Jan 1 23:18:26 EST 2005


Many thanx to all who responded.  I'm going to start by checking the shields
tomorrow morning.  I'll let the group know what I find.  Also, thanx for the
input on filter sources.  If I'm going to spend nearly $100 for a filter,
it's going to be a new one.  Since there's no clear winner out there among
filter suppliers, I'll liok at Inrad and Sherwood, who both offer filters
for the TR-7.  But first, the shields & grounds...

73,
Jim
WA2MER

-----Original Message-----
From: drake-bounces at mailman.qth.net
[mailto:drake-bounces at mailman.qth.net]On Behalf Of Fern Rivard
Sent: Saturday, January 01, 2005 7:16 PM
To: jfd at warwick.net; Drake
Subject: Re: [Drake] AM Filter Advice for TR-7


Greetings Jim for the New Year 2005.  There have been quite a number of
TR-7's parted out over the years so there should be no problem in
finding an original 6 khz filter for your rig.
73 from Fern




----- Original Message -----
From: "Jim DiMauro" <jfd at warwick.net>
To: "Drake" <drake at mailman.qth.net>
Sent: Saturday, January 01, 2005 12:55 PM
Subject: [Drake] AM Filter Advice for TR-7


> Hi All:
>
> I have a TR-7 that I'd like to use on AM every so often.  The trouble
is
> that the radio doesn't have an AM filter.  A previous owner had
installed
> the resistor mod that's supposed to act like an AM filter, but the
result is
> far too wide to be useful.  For example, if I'm listening to a QSO on
7290,
> I can hear CHU on 7335.  Now that's wide!
>
> I'm looking for recommendations on AM filters, specifically which ones
> perform well.  Should I look for an original Network Sciences SL-6000
that
> Drake supplied, or are the better options out there like Sherwood and
Kiwa?
> All input will be appreciated.
>
> Thanx & 73,
> Jim
> WA2MER
>
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