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Re: 40Hz [message #52827 is a reply to message #52824] Tue, 28 October 2008 12:00 Go to previous messageGo to previous message
Wayne Parham is currently offline  Wayne Parham
Messages: 18786
Registered: January 2001
Illuminati (33rd Degree)

No, it's not that. The driver and port are placed where internal standing wave nodes don't affect response. The Helmholtz resonance would be about 45Hz even without insulation. After insulation is applied, it drops to 40Hz. The insulation is to damp standing waves, mostly to trap midrange energy. But it also tends to lower the Helmholtz resonance as a size effect. Anyway, long story short, cabinet tuning is 40Hz.


 
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