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bic soundspan tpr-600

  1. EmuMannen

    Calling all XO gurus!

    I got a pair of BIC SoundSpan TPR-600 that I got from a friend (who bought them new in the 70s). I was considering an XO upgrade or to go active, so I took a look at the original XO. But I can't wrap my head around it! Please take a look at the attached image. Red wire to woofer, green to mid...
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