NUEVO Enchufe de repuesto para Marantz 2216B 2226B 2385

It will work for much of the gear from the 1970s and early '80s. This is not an identical match to the original sockets, but it's close. It has a matte/pebbled finish as opposed to the original shiny finish, and has one of the holes wider than the other to account for modern polarized AC plugs.

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