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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