The 15" Q switchout is DONE

rofl

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90accordman , Apocalypse boy , ballstothewall , bonesninja , CBFryman2 , jd_man_90 , Showrides , swc204

 
I'm not sure how much personal experience or testing any of you have done without modeling it first....i gave up on box programs years ago.

I've learned that the programs that call for ports that are 'supposed' to be 40-50" long to tune it "low" are waaaaaaaaaaaaaaaaaaay off. Regardless of how 'reputable' the program is...

I've personally never had a port longer then 20" long...when i ran 150sq of port in the thunderbird and it'd do a 49.9 on the headrest at 29Hz....

Go figure, Experience and testing winning out on a program that is based solely off of numbers and scenarios...

I've said numerous times, open the port up. But yet you go right back to the computer program and say 'no thats not right'.

Numbers may not add up and graphs may not look correct. But if i recall isnt the whole idea of listening to music....is to listen with your ears, and not with your eyes?

Edit: I'm not doubting the skills or reputation of the installer one bit, but if the listener cant tell the difference between 250 watts a sub, and 600 watts a sub and it 'sounds the same'...it leads my mind to wonder.

 
Box programs have good port approximations though. Even cheapies like WinISD.

As far as responce modleing and what not, Neither WinISD or BBP6 do even a half assed job. Ive never used LEAP or others though.

 
If you arent braking 150dB with two 15's of that magnatude and 2400w you are doing something wrong. //content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif

//content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif
You must have forgot the enclosure that's tuned @ 28Hz tune.

~148 w/1,200rms and (2) 15's in a box tuned @ 28Hz is unbelievable! That shows you how good these woofers really are!

 
You must have forgot the enclosure that's tuned @ 28Hz tune.

~148 w/1,200rms and (2) 15's in a box tuned @ 28Hz is unbelievable! That shows you how good these woofers really are!
I did a 145 with one 18 tuned to 28Hz. And that was with a bunch of funky bends in the port.

 
I'm not sure how much personal experience or testing any of you have done without modeling it first....i gave up on box programs years ago.
I've learned that the programs that call for ports that are 'supposed' to be 40-50" long to tune it "low" are waaaaaaaaaaaaaaaaaaay off. Regardless of how 'reputable' the program is...

I've personally never had a port longer then 20" long...when i ran 150sq of port in the thunderbird and it'd do a 49.9 on the headrest at 29Hz....

Go figure, Experience and testing winning out on a program that is based solely off of numbers and scenarios...

I've said numerous times, open the port up. But yet you go right back to the computer program and say 'no thats not right'.

Numbers may not add up and graphs may not look correct. But if i recall isnt the whole idea of listening to music....is to listen with your ears, and not with your eyes?

Edit: I'm not doubting the skills or reputation of the installer one bit, but if the listener cant tell the difference between 250 watts a sub, and 600 watts a sub and it 'sounds the same'...it leads my mind to wonder.

Are you talking about me? When did I say I couldnt tell the diff.? I can def. tell the difference, it's just that they perform surprisingly well for being on only 300w a piece, but the sound like there starving.

And who the hell said all this came from looking at what a box progam came up with?...jus shh

 
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