User Manual
Page 2
... ftA3 Added Volume (reverse mount)** 0.162 ft"3 0.162 ft"3 0.073 ft"3 0.073 ftA3 Recommended Sealed Box Volume 1.3-2.5 ftA3 1.3-2.5 ftA3 0.7-1.0 f"3 0.7-1.0 fA3 * This commonly misunderstood specification should not be used as a reference for subwoofer output capability. ** Based upon 3/4" (-20mm) baffle thickness, with opening cut to change without notice 0.047 ft"3 0.5-0.8 fA3 0.047 ftA3 0.5-0.8 fA3 • SPECIFICATIONS Model SWR-1521D SWR-1541D SWR-1221D SWR-1241D SWR-1021D SWR-1041D Dimensions 15" 15...
... ftA3 Added Volume (reverse mount)** 0.162 ft"3 0.162 ft"3 0.073 ft"3 0.073 ftA3 Recommended Sealed Box Volume 1.3-2.5 ftA3 1.3-2.5 ftA3 0.7-1.0 f"3 0.7-1.0 fA3 * This commonly misunderstood specification should not be used as a reference for subwoofer output capability. ** Based upon 3/4" (-20mm) baffle thickness, with opening cut to change without notice 0.047 ft"3 0.5-0.8 fA3 0.047 ftA3 0.5-0.8 fA3 • SPECIFICATIONS Model SWR-1521D SWR-1541D SWR-1221D SWR-1241D SWR-1021D SWR-1041D Dimensions 15" 15...
User Manual
Page 4
..." 295mm [ 11-5/8" ] 0 231mm 9-3/32" 247mm 9 23/32" E E E cNo E 17mm [ 21/32" ] 178mm [7 ] SWR-1221D 5mm [ 3/16"] E E O 17mm [ 21/32" ] 178mm [ 7' ] SWR-1241D 5mm [ 3/16"] cb E. LTD. 6-8 Fiveways Boulevarde Keysborough, Victoria 3173, Australia Tel.: 61 (3) 9769-0000 ALPINE ELECTRONICS OF AMERICA, INC. ALPINE ELECTRONICS DE ESPANA, S.A. 19145 Gramercy Place, Torrance, Portal de Gamarra 36, PabellOn 32...
..." 295mm [ 11-5/8" ] 0 231mm 9-3/32" 247mm 9 23/32" E E E cNo E 17mm [ 21/32" ] 178mm [7 ] SWR-1221D 5mm [ 3/16"] E E O 17mm [ 21/32" ] 178mm [ 7' ] SWR-1241D 5mm [ 3/16"] cb E. LTD. 6-8 Fiveways Boulevarde Keysborough, Victoria 3173, Australia Tel.: 61 (3) 9769-0000 ALPINE ELECTRONICS OF AMERICA, INC. ALPINE ELECTRONICS DE ESPANA, S.A. 19145 Gramercy Place, Torrance, Portal de Gamarra 36, PabellOn 32...