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RE: To float or not to float

Posted by Duster (M) on January 10, 2016 at 10:19:36

In Reply to: RE: To float or not to float posted by Capt. Z on January 9, 2016 at 22:38:16:

A phono cartridge is a passive transducer; it's a passive device like a speaker is. As such, if the shield is connected to the TT end of things, there is no earth potential so it's useless to attempt to ground the shield at that end while leaving the shield floating at the phono preamp end of things. The phono jacks of the phono preamp provide the active aspect of the signal chain, they provide the energy for the phono cartridge to function, so the shield should be grounded to the phono preamp jacks, while the TT is grounded via its dedicated ground wire to the phono preamp chassis.

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