Quote Originally Posted by [email protected] View Post
These obviously are not foam surrounds. They came from an unknown year from the Barcelona. I would think foam would be preferable for a large subwoofer? I'd hate to have them redone in foam for financial reasons and would it benefit the purpose?
Your number 391205 means Built the fifth (05) week of 1972 (2) by (391) Altec.
They look in great shape............