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IRE: Magneplanar MG-II panel vibration problem at low frequency

Posted by neolith (A) on December 5, 2016 at 10:26:07

In Reply to: RE: Magneplanar MG-II panel vibration problem at low frequency posted by viperz on December 3, 2016 at 18:34:54:

I never had a "slap" with my IIb, IIIa or 3.7i. OTOH I listen almost exclusively to classical music and jazz and very little bass heavy sources and usually well below 90 db (typically peaks below 85db). It would seem to me that increasing the bend in the metal panel might not help as it would just reduce the stretch of the mylar, probably by the same amount as the increased spacing. Is the buzz at a frequency that allows a cut-off and use of a sub, although from your picture it looks like you may already have a sub in place. Perhaps talking to Wendell at Magnepan may be helpful - I have gotten good response from him but others may beg to differ. FWIW I thought my IIb's actually had a deeper bass response than my IIIa's.

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