General SPL General discussion of Sound Pressure Level topics.

SPL and Invert Mount

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Old Oct 15, 2009 | 11:59 AM
  #11  
Soundigital's Avatar
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Actually is 0.5 to 1dB quieter...

With volume compensation...

Old Oct 15, 2009 | 02:58 PM
  #12  
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lol i was trying to be funny!
Old Oct 24, 2009 | 05:35 PM
  #13  
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Originally Posted by bart pyle
not a good theory dude..... a speaker makes two waves "back<front.

So how would you stop the rear wave from being obstructed? perhaps eliminate the motor all together?
obviously yes but your rear wave (assuming conventionally mounted) is your more important wave. If there was no basket/motor obstructing this wave from reaching the port (imagine a crx box, subforward port back) then there would be a fairly large gain.

Some guys guys gain from switching from 6 spoke to 12 spoke baskets or vice versa because it doesnt obstruct the rear wave as much. Or from rounding any sharp corners on the basket itself. A more aerodynamic basket/motor structure would surely be a nice gain if the performance was still there.
Old Nov 27, 2009 | 04:45 AM
  #14  
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Originally Posted by The Apprentice
Hello,

Is there an advantage of invert mounted subs when it comes to spl?

would it be any better or louder?

Hi all, I am a new member of forum. Would a newcomer be warmly welcome here? Good day you guys!!!
Old Nov 27, 2009 | 06:33 AM
  #15  
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Originally Posted by jezzicaz789
Hi all, I am a new member of forum. Would a newcomer be warmly welcome here? Good day you guys!!!
WELCOME TO CCA!!!

New comers are always Welcome. Just stick to the thread topics you post on or start your own, if new/off topic.
Old Dec 6, 2009 | 11:17 PM
  #16  
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I have often wondered this same thing, whether there was any advantage/disadvantage to running the sub inverted.
The only disadvantage i noticed personally was that i was a moron and ended up mounting the sub slightly off center (new box and nothing to mark the positioning of the sub over the cutout) and messed up the surround a bit.
This was years ago and have never tried it since.
Has anyone ever tried metering their setup inverted vs conventional?
Old Dec 7, 2009 | 08:37 AM
  #17  
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Originally Posted by BLU3Fi5H
I have often wondered this same thing, whether there was any advantage/disadvantage to running the sub inverted.
The only disadvantage i noticed personally was that i was a moron and ended up mounting the sub slightly off center (new box and nothing to mark the positioning of the sub over the cutout) and messed up the surround a bit.
This was years ago and have never tried it since.
Has anyone ever tried metering their setup inverted vs conventional?
I metered, 1dB down.
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