On Tue, 2008-04-08 at 21:11 +0930, Tim wrote: > didn't expect - if you ground one side or the other of a floating Most likely you have 60Hz pickup. Since the transformer is not grounded, it is a great 60 hz inductor, but the ungrounded balanced condition makes it common mode so no response on the VU meter. Grounding one side adds 60hz becuase it is no longer common mode. Try the Oscilloscope on it. Regards, Les H
