This pair of speakers were removed from a stereo cabinet where they were used since the mid 1960's.
In removing the frame which held them in the cabinet I ripped the paper cone on one , I left the second one attached.
Per many You tube videos, the cone can be repaired with Elmer's glue and tape.
Please see pictures
Altec Lansing 412C Biflex Impedance 8 Ohms
Speakers 12 inches in diameter 4 Inches tall.
Serial numbers on metal 391245 and on cone 21107.
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