anyway to wire a DVC 2ohm sub for a 2 ohm load? - Chrysler 300C Forum: 300C & SRT8 Forums
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Old 05-09-2009, 09:14 AM   #1 (permalink)
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anyway to wire a DVC 2ohm sub for a 2 ohm load?

so I just bought a beastly memphis audio SHP subwoofer, its 2 Ohm DVC, I cant seem to find any wiring diagrams to get it down to 2 ohms, only 4, my amp is a infinity 1600a, mono block with 2 sets of terminals and its 2 ohms stable, any help will be appreciated.
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Old 05-09-2009, 11:16 AM   #2 (permalink)
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Quote:
Originally Posted by lindjung View Post
so I just bought a beastly memphis audio SHP subwoofer, its 2 Ohm DVC, I cant seem to find any wiring diagrams to get it down to 2 ohms, only 4, my amp is a infinity 1600a, mono block with 2 sets of terminals and its 2 ohms stable, any help will be appreciated.

if its a monoblock amp, then you should be able to just bridge the 2 terminals together, and then straight wire the sub neg to neg, and pos to pos. for a 2ohm load. ???

ive never wired a mono with 2 sets of terminals, so i dont know exactly how they operate. but thats what makes sense to me. i hope someone knows for sure, cause im curious now.
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Old 05-09-2009, 11:29 AM   #3 (permalink)
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i cant find any info on the sub you listed. but if it is a single voice coil, then you should be able to just wire it to one set of terminals. and be running 2ohm. if its dual voice coil, you would need to know more in depth specs on the sub.
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Old 05-09-2009, 11:37 AM   #4 (permalink)
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its a dvc, here are the specs:

Nominal Impedance Znom ohms 2 (x 2)
DC Resistance DCR ohms 1.68 (x 2)
Resonant Frequency Fs 27 Hz 2727
Mechanical Q Qms 3.273
Electrical Q Qes 0.393
Total Q Qts 0.351
Xmax (linear) in 0.467
Xmax (mechanical) in 1
Sensitivity 2.83 volts dB 88.5
Voice Coil Diameter d in 3
Voice Coil Length hvc in 1.4
Voice Coil Layers n 4
Voice Coil Type Dual
Continuous Power watts 500
Maximum Power watts 800
Magnet OD in 7.5
Magnet Thickness in 2
Magnet Weight oz 192
Frame OD in 15
Mounting Hole in 14
Mounting Depth in 8.25
Speaker Weight lbs 39
Surround Thickness mm 1.7
Driver Displacement cf 0.29
Sealed c.f. 2.00
Vented SPL c.f. 2.50
Round vent for 55Hz in. 6" x 11"
Slot vent for 55Hz in. 3" x 8" x 10"
Alternate slot vent for 55Hz in. 4" x 6" x 9"
Vented Low Tuning c.f. 2
Round vent for 38Hz in 4" x 11"
Slot vent for 38Hz in. 2.5" x 6" x 13"
Alternate slot vent for 38Hz 4" x 4" x 14.5"
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Old 05-09-2009, 07:14 PM   #5 (permalink)
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way more than i was expecting. lol. your sub is dual voice coil. and it looks by the specs, that each one is rated at 2ohms. so if im not having a brain fart. it looks like the only way you can wire that, is for a 4ohm load, or a 1ohm load.

but this should be fine to run it at 4ohms. cause the max power on the sub is only 800watts. and thats all youll get from a 1600w, 2ohm amp at 4ohms.

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Old 05-09-2009, 08:09 PM   #6 (permalink)
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Quote:
Originally Posted by Someguys300c View Post
way more than i was expecting. lol. your sub is dual voice coil. and it looks by the specs, that each one is rated at 2ohms. so if im not having a brain fart. it looks like the only way you can wire that, is for a 4ohm load, or a 1ohm load.

but this should be fine to run it at 4ohms. cause the max power on the sub is only 800watts. and thats all youll get from a 1600w, 2ohm amp at 4ohms.
Absolutely correct! Your sub correctly wired should either be in a 1ohm or 4ohm configuration.

Wiring Option #1
Wiring Option #2
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Old 05-09-2009, 10:44 PM   #7 (permalink)
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thanks for the help, i guess i gotta go to 4 ohms, my amp wont do 1 ohm, i was hoping to get 2 ohms because my amp puts out 600w at 2ohms and only 400 at 4 ohms
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Old 05-10-2009, 05:57 AM   #8 (permalink)
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Look on the bright side, your subwoofer is rated 500 watts RMS, if you wire it at 4 ohms, you'll get 400 watts RMS--never know this may just be the sweet spot for that sub without having to worry about blowing it.
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