Well IMHO,
I think it's fine to MOD the R-4C as it has some problems (to me
anyways) ....and a stock one while OK...is not that great compared to
a good R-4B.
When I had the stock R-4C...I liked it but I didn't seem to use it that
much...went to the B line I had at the time.
After I got the Sherwood R-4C and added one more Sherwood MOD that
wasn't already on (The 2.4 KC front end filter set) I really loved the
performace and have used it a bunch.
One big thing...getting all that heat out of there...this think is ROCK
solid after a couple minutes.
I usually don't use the roofing filters unless it is weak DX near
strong sigs OR a contest week end...but it's nice to have them when
needed.
Look at rob Sherwood's RXCVR chart....you will see the stock R-4C way
down the list...the Sherwood one is still pretty high up
there...considering the company it is keeping.
Now I am looking for a pristine R-4A.......just for nice rag chew
smooth audio qso's. And everything is in there....already..or maybe a
R-4B if I can't find the A.
73,
Lee
-----Original Message-----
From: David <[email protected]>
To: drakelist <[email protected]>
Sent: Mon, Jan 2, 2012 7:12 pm
Subject: Re: [Drakelist] R4C Sherwood mods
The thread for the Sherwood modifications started with Max asking which
ones
would be useful. In my reply email and others tried to answer the
question
for Max. Hope this effort was useful to him.
I was surprised, however, to see such a staunch group that insists that
the
Drakes stay pristine. While I do not condone hackers and butchers
(have one
really sad case now on the bench from some person who cared little of
what
the radio was), I do believe there are mods that would enhance the use
of
the radio. For example, would anyone not recommend the grounding braid
on a
PTO that obviously has lost the ability to provide its own ground?
Such a
modification enhances the pleasure of the use of the radio. Not doing
it
keeps that radio generally useless.
And so it is for the Sherwood Mods. When I did mine it was on a set
that
was already partially modified by Sherwood. It was at a point in time
where
I could not afford anything else than a used set of Drakes. It was my
only
radio. Modifications to the radio for my purposes made the enjoyment
even
deeper and it is the reason while 30 years later I still have them.
So, while it is purist to state that the Drakes should stay pristine,
we all
know and accept that those modified with a true and correct intent to
fix
and enhance the operation was for me, and many, a choice that would have
otherwise frustrated us to another hobby.
The term "different strokes for different folks..." How we all use
and
love our Drake radios is unique. There simply is not a single right or
wrong way; so it is with the modifications.
Enjoyed the thread.
David Assaf, III
W5XU
-----Original Message-----
From: [email protected]
[mailto:[email protected]]
On Behalf Of [email protected]
Sent: Sunday, January 01, 2012 3:22 PM
To: [email protected]; [email protected]
Subject: Re: [Drakelist] R4C Sherwood mods
Paul,
Absolutely true...Rob Sherwoods design is top notch...and throwing a few
parts you find around will NOT get you the same result.
There's a lot more to it than those that have not really looked into it
or
have it would realize.
I think for the design, quality of parts and the kind of parts needed
Rob's
prices are reasonable.
The PS and Audio amp...well yes you could roll your own there...but
better
to just get the board s from him and install it yourself...IF you have
the
tools & abilities.
73,
Lee
-----Original Message-----
From: Paul Christensen <[email protected]>
To: [email protected] <[email protected]>
Sent: Sun, Jan 1, 2012 1:34 pm
Subject: Re: [Drakelist] R4C Sherwood mods
Most of Parts for the Sherwood MODS are not cheap...the relays alone
for the filter swich board are $20 each + and you need several.
Also, you need to be pretty creative to get it all in there...pretty
tight in places.
Yes, a tight fit, put perfectly manageable. Keep in mind that the
Teledyne
relays used for the filter switch are designed for RF applications and
hence, the high cost. The entire relay board assembly was designed to
eliminate filter leakage and "blow-by." Take a look at the Sherwood
ultimate filter rejection spec and it's easily to see where the buyer's
money is going.
Paul, W9AC
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