On 11/14/2013 04:08 PM, umashankar manthravadi wrote:
one ground pin, two figure of eights with one or both receiving phantom voltage, and two pins, one from each figure of eight, out of phase for the Omni.
you mean the omni will be a phantom circuit? oh my god, i only hope he can tame the demons he has summoned.
after reading a few of jörg wuttke's papers on what can go wrong in even a simple phantom _power_ circuit, this remark makes me very, very afraid :)
unless i'm very much mistaken, the achievable common-mode rejection now also depends on the relative twist between two pairs, and the problems with impedance matching between hot and cold have increased by a factor of two. where i live (in evil places with thyristor dimmers and long analog multicores), that's scary.
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