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Box for a friend


Jbarrera93

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Posted

Isobaric push pull, that will allow them all to be installed with plenty of space to spare.

You would be able to Halve the dimensions that way.

Two compound loaded drivers would only need half the space One driver needs. So if each sub needed 2 cubes for example, that means iso push/pull would only need 1 cube. So all the done this way would only need 3 cubes ported.

Im not the one you want to try to troll. Just a fyi for you.

Posted

Isobaric push pull, that will allow them all to be installed with plenty of space to spare.

You world be able to Halve the dimensions that way.

Two compound loaded drivers would only need half the space One driver needs. So if each sub needed 2 cubes for example, that means iso push/pull would only need 1 cube. So all the done this way would only need 3 cubes ported.

Any way you could design somethng up? This is my first time hearing about this box method. It would be greatly appreciated.

2001 Chevy Blazer LS

Kenwood KDC-HD552U

2 12" SDC 2.5 D4 Fi SP4 18" 4 Sundown SA-12's

HiFonics BE 1200.1 Soundstream RUB1.2500D Looking for a 5k

XS Power D3100

4 Soundqubed 6.5's (Pro Audio)

2 Soundqubed 3-Way 6.5's

2 Soundqubed Super Tweeters

Posted

Iso compounds are space efficient but at the end of the day your cone area is going to be that of 3 subs so the output not really too different than 3 subs ported but burning twice the power. One thing I have not seen is what impedance the coils of the subs are, that is important factor to consider, 6 subs cant be wired to 2 ohm.

Posted

Iso compounds are space efficient but at the end of the day your cone area is going to be that of 3 subs so the output not really too different than 3 subs ported but burning twice the power. One thing I have not seen is what impedance the coils of the subs are, that is important factor to consider, 6 subs cant be wired to 2 ohm.

They are wired down to 2 ohm.

2001 Chevy Blazer LS

Kenwood KDC-HD552U

2 12" SDC 2.5 D4 Fi SP4 18" 4 Sundown SA-12's

HiFonics BE 1200.1 Soundstream RUB1.2500D Looking for a 5k

XS Power D3100

4 Soundqubed 6.5's (Pro Audio)

2 Soundqubed 3-Way 6.5's

2 Soundqubed Super Tweeters

Posted

Its imposable to have 6 subs wired at 2ohms with them being all the same impedance. He must have like 4 dual 2 ohm subs with them being wired down to a final load of 1 ohm then have gotten 2 dual 4ohm subs and then wired them back up to 2ohms. Really thats the only way i can see it possible. Also if that is what he has the. He should not run the 2 that are different ohm loads because they will receive more power then the other 4 because there resistance is lower.

2012 Chevy sonic1xSQ HDC3 12 D2RF R1200d

140 square foot of Q-Mat(soon to be installed)

140.2Db sealed on the dash with TL

142 DB sealed on the dash with another meter (was dead on with the TL at a show i was at)

141 on music.

strangeduck,on 02 Jan 2014 - 01:39 AM, said:

when my car spins out i just put the car in neutral, turn in the direction i want to go and pucker my asshole

Posted

Yea I think 3 are D4 and idk about the other 3.

2001 Chevy Blazer LS

Kenwood KDC-HD552U

2 12" SDC 2.5 D4 Fi SP4 18" 4 Sundown SA-12's

HiFonics BE 1200.1 Soundstream RUB1.2500D Looking for a 5k

XS Power D3100

4 Soundqubed 6.5's (Pro Audio)

2 Soundqubed 3-Way 6.5's

2 Soundqubed Super Tweeters

Posted

ok well I can bet the other 3 are dual 2 (even tho its still imposable to wire it at 2ohms like that) because I know they don't make that sub as a dual 1 sub. So what he needs to do to make every thing rite is sell the 3 dual 4ohm subs and buy 1 more dual 2 ohm. With 4 dual 2 ohm subs he can wire at a final load of 2 ohms for that amp then it would also be much easer for the designer's to design a box for him.

2012 Chevy sonic1xSQ HDC3 12 D2RF R1200d

140 square foot of Q-Mat(soon to be installed)

140.2Db sealed on the dash with TL

142 DB sealed on the dash with another meter (was dead on with the TL at a show i was at)

141 on music.

strangeduck,on 02 Jan 2014 - 01:39 AM, said:

when my car spins out i just put the car in neutral, turn in the direction i want to go and pucker my asshole

Posted

The actual measurement (DC resistance) will always be below nominal impedance so maybe that's what's happening but he really has to check that all are of the same kind before doing anything.

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