Leebob
A Man In The Crowd
This pair does not sound as good as my foam ones. I'm thinking I should pull the rubber surrounds. This pair of 100's has the same masonite inverted dome tweeters as your 60's. Oh and the manuf. date on them is 1981. If I am correct these woofers should be matched up with a newer tweeter.My only experience with EPI is a pair of M60s I refoamed. They are on duty as the kitchen speakers.
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I have never seen any woofer with the surround atop the gasket. I would think at best, the voice coil would sit forward in the gap, reducing useable excursion. It could also indicate an overall botched surround replacement, where the voice coil might be rubbing etc. I think I recall discussions about whether to replace bad surrounds on some EPI with foam or rubber. If foam was original, and rubber used to replace, it would likely affect the sound, even if done perfectly. How does it sound to you?
This set is a M100. Usually came with rubber surrounds and masonite tweeters. Also has an attenuator on the tweeter but I bypassed it.