Question about Kenwood KAC-9102D Car Audio Amplifier

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Wiring options I just purchased 3-Hifonics HFI12D4 12" dual 4ohm subs and I was wondering what would be my best option as far as wiring them to my Kenwood KAC-9102D 2ohm stable mono amp? Thank you for your time, -CHINO

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Yor best bet is to wire each one positive to neg to get 8ohms then pos-pos and neg-neg to get 2.66 ohms. Otherwise series parallel. If you wire them all pos-pos and neg-neg you will be running .66ohms and will most certainly fry your amp or it will overheat and shut down all the time

Posted on Sep 07, 2009

Testimonial: "I appreciate the quick reply, it answered my question fully. Thanks Again, -Chino"

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Hifonics colossus-ltd dual monoblock amp does not have much output, running a cerwin vega stroker dual 2 ohm sub wired 4 ohm load bridged


Bridge at 4ohms your only getting 600watts rms. You will need to bridge at 1ohm (parallel) and adjust the gain accordingly. This will give it 1600 watts rms. If you would of had a dual 4ohm sub, then you could of bridged it at 2ohms mono, but you can't you have to go either 1 ohm or 4ohm. I believe it's not getting enough power.

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I have 2 kicker l7 wanting to wire to best olm with hifonics 1200 mono


the best way to wire it is @ 1 ohm, but your amp has to be a 1 ohm stable amp. i'll attach some pics for you. this wiring depends on what ohm your subs are.
Option #2
2_2ohmdvc_2ohm.gif Wiring Option #3
2_2ohmdvc_8ohm.gif Option #2
2_2ohmdvc_2ohm.gif Wiring Option #3
2_2ohmdvc_8ohm.gif Option #2
2_2ohmdvc_2ohm.gif Wiring Option #3
2_2ohmdvc_8ohm.gif Option #2
2_2ohmdvc_2ohm.gif Wiring Option #3
2_2ohmdvc_8ohm.gifd6db548.gifbb99bef.gif2907139.gif1c73f58.gif

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Wiring options


Hello chino2g,

For 3 DVC 4 ohm subs wired to a 2 ohm stable amp, your best option would be to wire all of the sub voice coils in series (individual 8 ohm loads) and then parallel the three subs for a final load of 2.67 ohms. There's really no other configuration. Here's the wiring diagram:

http://www.rockfordfosgate.com/rftech/woofer_wizard.asp?submitted=true&woofer_qty=3&woofer_imp=4

Hope this helps.

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Jul 22, 2009 | Rockford Fosgate Power 1500BD Car Audio...

1 Answer

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Hello joverstre525,

Sure, just wire both voice coils in parallel to the amp output terminals. The "wiring wizard" here shows the possible wiring options.

Hope this helps.

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1 Answer

Wireing diagrams


Hello stingerman20,

Your Directed D2400 amp is CEA2006 Compliant. It is stable at 1ohm and will produce 1,200 watts into that load. So you want your subs wired as close to 1 ohm as possible.

The only 3500 watt Pioneer Premier series subs I could find were the models number TS-W3002D2 and TS-W3002D4 with dual 2ohm and dual 4ohm voice coils respectively. The wiring options for the D2's result in 0.5ohm (too low), 2 ohms, and 8ohms. Your best option would be the 2ohm configuration which would be voice coils in series and subs in parallel. Options for the D4's result in a 1ohm load and a 4ohm load. Your best option would be the 1ohm configuration which would be voice coils and subs parallel.

To see the wiring options, try Rockford-Fosgate's "wiring wizard".
Select 2 woofers and the appropriate voice coil impedance and quantity and click "search". It'll bring up all of the possible wiring configurations along with the final impedance load.

Hope this helps.

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1 Answer

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The best you can do is connect the dual 2 ohm voice coils of each respective sub in series (4 ohms total per sub) and then connect each sub to one channel of the amp. This will give each sub 1000W, which is the rated maximum from Kicker.

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