What is the model number of a Vintage 1970's 12'' JBL woofer that has a black cone, dark grey dust cap, alnico magnet, cast frame, 3'' v.c., and treated accordian surround? Anyone with box size with port sizes?
What is the model number of a Vintage 1970's 12'' JBL woofer that has a black cone, dark grey dust cap, alnico magnet, cast frame, 3'' v.c., and treated accordian surround? Anyone with box size with port sizes?
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