Sympathetic frequency?

jeremie boop Bronze Member Username: Boopers Lima, Ohio United states Post Number: 34 Registered: Jul-04	Posted on Sunday, August 01, 2004 - 01:50 GMT in one thread there was a comment on the tuning of a box port to the sympathetic frequency of the car cabin or whatnot, how would I find this and use it?
GlassWolf Gold Member Username: Glasswolf NorthWest, Michigan USA Post Number: 4351 Registered: Dec-03	Posted on Sunday, August 01, 2004 - 02:37 GMT you need to use an RTA and pink noise generator to find the resonant frequency of the cabin.
jeremie boop Bronze Member Username: Boopers Lima, Ohio United states Post Number: 35 Registered: Jul-04	Posted on Sunday, August 01, 2004 - 05:05 GMT where would I be able to have this done, in most car audio shops or is it something I'd have to look around for?
GlassWolf Gold Member Username: Glasswolf NorthWest, Michigan USA Post Number: 4382 Registered: Dec-03	Posted on Sunday, August 01, 2004 - 21:01 GMT call around. high end car audio shops should be able to accomodate you. only takes a few minutes to do really the gear to do it just costs a small fortune
jeremie boop Bronze Member Username: Boopers Lima, Ohio United states Post Number: 36 Registered: Jul-04	Posted on Sunday, August 01, 2004 - 22:02 GMT does tuning to the symp freq actually make a noticeable difference, or is it more of a "fine tuning" type thing
GlassWolf Gold Member Username: Glasswolf NorthWest, Michigan USA Post Number: 4392 Registered: Dec-03	Posted on Monday, August 02, 2004 - 18:12 GMT when you port the box to that frequency it'll give you the best SPL. it'll sound like crap but it'll be louder louder crap!

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