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  1. #1
    B. Schafer
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    Question L100 Century polarity

    My father has given me a lovely pair of L100's circa 1972. The speakers are aligned in a vertical array. I would guess that the black is + and the red is - on this speaker, since it is a JBL of this vintage. Can anyone confirm this? The 9 volt test scares me, whether it should or not. Thanks!
    Last edited by B. Schafer; 05-13-2003 at 05:44 PM.

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