1987 - 2017: Thirtieth Anniversary!
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Replacement/repair part number PRO 013
This is an exact replacement for the tweeter used in the Genesis Physics loudspeaker models:
Its internal reference number (on the sticker, if it has one) is TW6X9 or TW74A. The "6X9" version has a rectangular faceplate, the "74A" is round. You should specify which style yours is so I can match it, making the mounting screw holes line up properly.
It is not necessary to return the old part when replacing this part.