In message <00d001c074fd$274735a0$136d8118@se.mediaone.net>, Paul
Christensen <paulc@mediaone.net> writes
>
>The 77Sx is normally wired for 120-N-120 here is the USA. In this
>configuration, Neutral carries current only for the 77Sx's 120 VAC blower.
>The remainder of the amp is supplied by the 240 VAC potential between the
>120 VAC buses. Also, keep in mind that the 77Sx cabinet is tied to the
>Neutral (not ground) via J1, the Cinch-Jones power connector.
>
>For export use, the modification to adapt to European electrical standards
>can be found in the 77Sx manual. It requires several changes to the AC
>input terminal strip, including the addition of a wirewound resistor and
>moving a capacitor in order to eliminate the need for a current carrying
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>neutral. I would first examine the configuration of the AC input terminal
^^^^^^^^
Does current in an American piece of equipment defy the laws of physics
when operated in Europe then? (Please take it in the manner in which it
was meant - dry British humour)
>strip and compare it against the graphical examples in the 77Sx owners
>manual.
>
>-Paul, W9AC
>
>
>
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>
>
Paul
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