Optimus - Realistic 12" Speaker Foam Surround - A12B

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Single piece foam surround (Enough for 1 speaker) Some of the models that use this foam include : Optimus 3034, 3037, 3039, 40-1019, 40-1025, 40-1026, 40-1029, 40-1042, 40-1121, 40 -1122, 40-3025, 40-4050, Nova 8b, Optimus 1035, Optimus 400, Optimus 50, Optimus 800, Optimus 900, Optimus 950, Optimus SW-14, SW14, Optimus T-1200, T1200, STS-1000, STS1000, T-1200, T1200 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 Show more