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What are non-pressure points and how are they found?


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Working on my SPL wall build, currently playing with the box internals and have been reading up on things. I have been working with SPL setups for about a year now and still have lots to learn.

My question is what are are non-pressure and pressure points in a box/wall and how do I find them. Also, is it truly beneficial to put for 45's/roundovers in them or to kep them square?

Currently working with 2 Soundqubed HDC3 18's on a DC 3.5K in my 2 door Jeep. Have not clamped it yet. Does 156.7db @ 51hz at the moment pretty consistently.


YouTube: https://www.youtube.com/user/JeepAndBass

Website: https://www.jeepandbass.com/

Picture1.png.a51bb49318e5269e42f12284828c2bb6.png

My Jeep: 157.3dB @26hz Drag Style 162.3dB @36Hz Outlaw 160.7db @35hz Headrest

My Honda: 155.4dB Drag Style 158.0db Outlaw 

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Played with round overs on my port, tried a few 45s in the rear corners of the box and lost dbs lol, just trying to figure out if I should try them in other places IMG_9726_zps0uudobib.jpg


YouTube: https://www.youtube.com/user/JeepAndBass

Website: https://www.jeepandbass.com/

Picture1.png.a51bb49318e5269e42f12284828c2bb6.png

My Jeep: 157.3dB @26hz Drag Style 162.3dB @36Hz Outlaw 160.7db @35hz Headrest

My Honda: 155.4dB Drag Style 158.0db Outlaw 

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Meter inside the port and see where the pressure is the highest, just remember the goal is to get the pressure out of the box and onto the dash

03 Sable LS

AA mayhem 12" D2

Sundown ZV4 12" D1

Tantric HD 12" D2

Tantric SHD 12" D1

Sundown X12 V2 D2

2.5 cu net

Sundown 2000d @ 1 ohm

XS Power XP2000

Sky High Sound Deadener

Sky High wire

Stock alt

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What happens when you take the round overs off the port and only roundover the back left corner when looki,g at the front baffle

03 Sable LS

AA mayhem 12" D2

Sundown ZV4 12" D1

Tantric HD 12" D2

Tantric SHD 12" D1

Sundown X12 V2 D2

2.5 cu net

Sundown 2000d @ 1 ohm

XS Power XP2000

Sky High Sound Deadener

Sky High wire

Stock alt

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Share on other sites

What happens when you take the round overs off the port and only roundover the back left corner when looki,g at the front baffle

It will lose about .1-.2db without the round overs


YouTube: https://www.youtube.com/user/JeepAndBass

Website: https://www.jeepandbass.com/

Picture1.png.a51bb49318e5269e42f12284828c2bb6.png

My Jeep: 157.3dB @26hz Drag Style 162.3dB @36Hz Outlaw 160.7db @35hz Headrest

My Honda: 155.4dB Drag Style 158.0db Outlaw 

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