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Old 04-20-2014, 02:03 AM
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Default strange idea for sound waves / port ?

would this ( see pic ) curved ramp of sorts help the sound wave from the port side of a box ( obviously only works for port back aplications ) but it seems like this might allow the sound to travel more smoothly possibly with less breakup ?

as a side benefit i can see much less "rattle" from the rear doors / and door hatch glass from this as the port firing back would basicly be going in to the ramp given it is made strong and doesnt flex

what do you think ? maby this would work alright for a burp only spl aplication or do you think a daily box on music might also benefit from something fabbed up like this ?

or its just a terrible idea because you want the sound waves to bounce or reflect of the rear of the viechle to then travel fowards - not ramp up and over
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Old 04-20-2014, 02:27 AM
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it seams it could work but for the space it takes up it might not be worth it....build 1 with ramp and 1 without and you test it....
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Old 04-20-2014, 03:02 AM
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build, test, report findings....only real way to know
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Old 04-20-2014, 04:13 AM
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if its close to the same amount of port area as your port it will more than likely lower tuning doing that too so consider that
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Old 04-20-2014, 09:44 AM
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good call 2000lade - i bet it might lower tuning as well - wich may or may not be a bad thing...

but do you guys think it might help eliminate some of the problems asociated with the rear doors and hatch / windows as to take some of the force away from the back doors and re direct it up ?

i kno some people have it realley bad with the rear hatch glass attaching to the tailgate.
i myself have barn doors and fear that they will just rattle like heck with out something like this there

i hate rattles. its the most annoying.
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Old 04-20-2014, 09:49 AM
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Basically it's becoming an external upward facing port. With a radial bend. So it should do exactly as an upward port would do.
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Old 04-20-2014, 09:54 AM
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it's not a good idea.

firing the port back adds 'loading' vibration to the vehicle giving more 'feel' to the bass and when bass waves hit bass waves, they amplify each other
your ramp would defeat the purpose of having the port fire back

also, just like having the box too close to the loading wall, your ramp will act like a longer port and lower your tuning {which will reduce/remove the added efficiency of the box/subs around 50-60hz}


[sorry, I only read the first post before replying]

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Old 04-20-2014, 11:09 AM
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that's just a loading wall. if it's right next to the gate it will do basically nothing. You may see a .1db rise on the meter if your lucky.
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Old 04-21-2014, 03:54 AM
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Chances are that that would actually do the exact opposite of what you're trying to do.
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