WebJan 21, 2024 · 5,604 Posts. #2 · Jan 18, 2024. Foam directly behind the speaker to absorb backwave. CLD on the inside of outer (and inner) doorskin to reduce resonance/vibration effect. Seal holes with sandwich of sheet metal/butyl to add stiffness and reduce vibration and resonance, also to reduce potential backwave propagation back into the doorcard. WebApr 14, 2024 · Something I don't quite understand, is how much air volume should be behind speaker? More specifically, should the highlighted cavity in picture be stuffed with foam? That space is approx. 3 feet long from center of speaker, and approx. 6 inches deep. Working on the rear side deck panel in a '97 Plymouth minivan.
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Web15 hours ago · Something I don't quite understand, is how much air volume should be behind speaker? More specifically, should the highlighted cavity in picture be stuffed … WebOct 14, 2014 · Reducing the pressure behind the speakers helps us with increased definition and separation of all frequencies. Front wall frequency issues usually start at 30 Hz. and go through 300 Hz. You must use the … WebIn order to give the material a surface to adhere to, begin placing overlapping strips of automotive repair tape inside the holes. Then, cut and apply your sound deadening material overtop. Be careful to avoid trapping air between the tape and the tar. Repeat this process on all the holes you wish to plug. fishing charter stone harbor nj