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  1. M

    Altec Mystery Diaphragms

    Hoping one of the Altec experts on here can help me out. I bought a pair of 32c horns from a local guy that came with a pair of somewhat unknown compression drivers. The drivers appear to be the 900 series bodies without back covers, but the diaphragms are a complete mystery to me. The codes...
  2. M

    Yet Another Altec 2-Way

    Does anyone out there have the T&S parameters for the Altec 412C? Here's what I have going on: I have a very nice pair of 412Cs, a pair of 806As, some Faital STH100 horns and some old cabinets (maybe Acousti-craft) that are approximately 5 cubic feet in volume. The cabs are bass-reflex with...