Thanks, Josh, for bringing up this interesting discussion. After
having C21s (still have two) for many years
I have never checked into the "how" and "why" some things were done
in the production of this rig, mainly
because I have never had any trouble with them,.
One thing for sure about the reliability of this model is the
simplicity of it. Less circuitry = less problems.
Perry w8au
At 01:40 AM 6/8/2017, Josh wrote:
I tried some shielding using some thin steel I had, but I want to
replicate the shield that Ten-Tec used. They must have done that for
a reason! It turns out that my C21 digital is a very early one -
serial number 42. By the time they were up to ~200 they had started
putting in the shields. I'm going to try replicating the shield with
some thicker steel - similar gauge as the chassis. If that has some
positive effect then I might look at adding some Mu-m.
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