Single piece foam surround (Enough for 1 speaker) Some of the models that use this foam include : EPI A-1200, A1200, A 1200, A-2400, A2400, A 2400, CD-55, CD55, CD 55, Magnus 12, Magnus A12, A-12, Magnus CD 55, Magnus HE 19, HE-19, HE19, Magnus CD 60, CD-60, CD60, Model 12 and others that match the measurements shown Same American-made surrounds that we use in our professional repair facility; NOT cheap Chinese copies!! This is the foam only. Complete repair kits are available in our DIY Foam Surround Repair Kits category. Surround A12B Outer Diameter 11.75" - 298mm Outer Roll Diameter 10.625" - 270mm Cone Diameter 9.25" - 235mm Inner Diameter 8.5" - 216mm Roll Width 3/4" - 19mm Inner Attachment Angled How To Center Your Voice Coil Using Smartphone or Tablet
