On Fri, 2014-05-09 at 19:14 +0100, Will Godfrey wrote:
> A properly designed 3pin connector ensures the earth is always connected first,
> and disconnected last. It's the *only* safe way to work.
Correct, and btw. the ground cable in the main sockets are always a
little bit longer. However, for e.g. the Brauner VM-1 tube microphone
it's similar done as described here:
http://sound.westhost.com/earth-f4.gif
The microphone is sold to all western nations, used by many experienced
engineers. IIRC we only used a capacitor, however, we bought a capacitor
that is intended for this usage. The switch to chose between a direct
connection and the connection by capacitor was labeled "ground lift".
You might call it hard-grounded and soft-grounded, all terms are
equivocal.
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Received on Sun May 11 16:15:02 2014
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