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In Reply to: RE: hum with balanced connection posted by horny on February 15, 2009 at 01:19:40
the reason it is louder is because the yellow wire is a centre tap on the secondary winding so you get half the signal between this and either of the other wires. compared to accross the orange and blue where you get the full available signal. why the phono isn't connected to orange and blue rather than yellow and orange i'm not sure
have you tryed disconecting the phono plugs while you try the balanced connection ? - i'm not sure wether you can have them both connected at once without creating ground loop problems if the phono earths are connected to chassis earth (which i think some people have found they don't like the sound of anyway)
otherwise check your solder joints and look at the earthing
i don't actualy have any experience of this as i havn't tried balanced connections
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