In Reply to: Realistic Mach 1 is very high efficiency posted by bjh on October 28, 2013 at 08:05:55:
Google offers some insight. The specs are still online (below), showing a 65Hz resonance (closed box).Simply Speakers offers an "exact replica" replacement woofer which has twice the magnet weight (!) and 90dB sensitivity.
[Edit - I found the same 15" at Parts Express ...]
Edits: 10/28/13
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- RE: Realistic Mach 1 is very high efficiency - Paul Joppa 12:29:38 10/28/13 (0)