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RE: Ultrasonics?







The Modulus speaker measured +/- 1.5db 180hz-30khz, when reviewed back in 1990 so I guess it's at least flat within these parameters.

The entire system was rated by the manufacturer to be +/- 2db 22hz-45khz, but to achieve this wasn't cheap at $3300 back 1990, but I read they lost money on them even at that price.


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