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Old 02-06-2013, 02:29 AM   #10 (permalink)
christofoo
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00C - '00 Toyota Corolla
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Quote:
Originally Posted by TOOSTUBBORN2FAIL View Post
Depends how you tune it. My car has several helmholtz resonators inside, tuned to be out of phase from the main resonant frequencies of the car, to improve acoustics.
You're right.

I think the explanation I needed was something like; a Helmholtz resonator can be designed as a quarter-wave resonator. Quarter Wave Tube - DiracDelta Science & Engineering Encyclopedia
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