Yeah, they were mentioned somewhere around here a while back.
6.5" (165 mm) XBL² High Excursion, Low Distortion WooferMISCO has taken the XBL² technology and executed with effectiveness and elegance in the BWX-6501 (82109), 6.5” woofer. By using a high energy neodymium ring magnet, a high BL is maintained while the magnet structure size and weight is minimized. Yet the Klippel verified, linear XBL (BL force...store.miscospeakers.com
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Probably a decent midbass if you need a smaller magnet than the Anarchy or Epique.