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  #1  
Old 04-18-2012, 10:24 PM
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Default 5 JBL P1224's in a WALL

Just did this little install at the beginning of this week. Only took a couple of days, but the finished product is better than i expected.

Equipment:

Subs: 5 JBL Power Series 12's
Amps: 2 Kicker IX1000.1's (wired to 1.78 ohms each)

A little back story. So, when i received the truck all looked good. Come to find out 3 of the subs are D4's and the other 2 are D2's. After doing something thinking, i have the power evening distributed to the 5 subs with some tricky wiring. Didn't know if it would work, but finished product is very loud and clean, and all the subs load the same.

Box is 12 cubes with 170 sq. in. of port tuned to 33 hz. Smashes the lows but has a fairly flat response. I know some of you will question the single baffle, but with the 3 2x4 braces inside, the baffle doesn't flex a mm.

With a little tuning, the ear-o-meter is guessing a 146-147. Not bad for ~1600 and 5 entry level subs.

Second time building a wall and i think i covered everything, but if any of you have any other comments i'd really appreciate it.








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Old 04-18-2012, 10:31 PM
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What are the dimensions of the opening of the port?
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Old 04-18-2012, 10:33 PM
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37.5 x 4.5
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Old 04-18-2012, 10:55 PM
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Curious how you wired the subs?
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I have tested that amp about a bazillion times. I know what it does clean, clipped, dirty, loaded, unloaded, wired down, low voltage, good voltage, after it hot, while it's cool, on caps, on batts, where it protects, what's thermal limits are and just about anything else anyone would care to know about it.

But thanks for chiming in. Your opinion is duly noted.
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Old 04-18-2012, 10:55 PM
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Get rid of the d2's

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Old 04-18-2012, 11:08 PM
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Each amp is seeing a D2 sub wired in series, a D4 sub wired in series and 1 coil of a D4 sub, all of these wired in parallel. Each amp is seeing a 1.78 ohm load.
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Old 04-30-2012, 02:55 PM
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Metering this setup on Sunday in Guthrie, OK. We'll see what it does.
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