Acoustic Research 8" Speaker Foam Surround Repair Kit - 8 Inch Fits 8" Acoustic Research AR 4, 6, 7, 8, 8E, AR9 (mid), 10, 15, 16, 17, AR-18, AR18, AR18B, 20, 25, 35, 90, 93, 94, 94X, 98, 162 (Spt), 338, 400, 410, 200001-1, 200036, 200037-0, 200050-0, 12100371, 1210067, 1210067, 1210072, 1210072, 1210097, 1210097-0B, 15G, 18, 18BXI, 22BX, 25BXI, 28S, 28LS, 35BX, 35T, 38B, 38LS, 38BXI, 4A, 4AX, 4X, 93Q, 94R, 94S, 94SX, 98LS, 9LS, 9LSI, Connoisseur 20, M6, MST-1, Powered Partner 850, Red Box II, Rock Partner, Studio Partner, Spirit 162, TSW210, TSW410, TSW710 Same surrounds that professional reconers use; not cheap Chinese imitations! Complete 2 speaker foam surround installation kit - 8 inch Easy to follow step-by-step installation instructions and videos FREE phone support at 1-800-397-9575 and FREE shipping within the U.S.