Allison 8" Speaker Foam Surround - Bos8

  Single piece foam surround(Enough for 1 speaker)This is genuine "filleted" foam with a direct-attach inner lip, not the generic knock-off that others may sell. Some of the models that use this foam include :Allison: 2, 4, Four, 5, 6, 7, 110, 130, A-4, A4, AL-115, AL115, AL-130, AL130, Cube 6, CD-6, CD6, CD-7, CD6, CD-8, CD8, LC-110, LC110, LC-120, LC120, Allison PB88.3, and others that match the measurements shown Due to occasional variances in Boston Acoustics frames, a few of these models may require you to trim approximately 1/16" off of the outer perimeter. Same American-made surrounds that we use in our professional repair facility; NOT cheap Chinese copies!!   Surround Bos8-Allison Outer Diameter 7.75" - 197mm Outer Roll Diameter 7.125" - 181mm Cone Diameter 6" - 152mm Inner Diameter 5.5" - 140mm Inner Attachment Direct-angle