2 ohm amp to 4 ohm sub?

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davo12662

Member - Posts: 6

Joined: March 28, 2009

Location: Michigan, United States

Posted: March 28, 2009 at 4:47 AM / IP Logged

I have a project truck (79 bronco) i want to upgrade the system in and i have a mtx multi-channel amp (mxa6001 model num.) that runs 300w rms to two channels at 4ohms and 600w bridged at 2 ohms.

i was hoping to run just a singe 10" sub that would conserve space while giving me a little bump, nothing overkill.

my problem/question is can i run a single voice coil 4 ohm sub off of this amp being bridged at 2 ohms without just ruining it? im not finding any 2 ohm, 10" subs..

id like to run just one sub and not have to buy a new amp so any make/model subwoofer suggestions or wiring wisdom would be tremendously appreciated!

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i am an idiot

Platinum - Posts: 13,667

This member consistently provides reliable information

Joined: September 21, 2006

Location: Louisiana, United States

Posted: March 28, 2009 at 6:19 AM / IP Logged

It should be pretty easy to find a Dual Voice Coil 10 inch woofer with 4 ohm voice coils. (2) 4 ohm voice coils wired in series will yield a 2 ohm load.

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Chad7n7

Silver - Posts: 408

Joined: March 09, 2004

Location: United States

Posted: March 28, 2009 at 6:21 AM / IP Logged

By simply bridging it, you're not gonna change the impedience of the sub. In order to achieve a 2-ohm load with a single woofer, you're either gonna need a 2-ohm SVC ( which isn't isn't all that common ), or a DVC 4-ohm sub.

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davo12662

Member - Posts: 6

Joined: March 28, 2009

Location: Michigan, United States

Posted: March 28, 2009 at 1:19 PM / IP Logged

thanks guys, i guess i just got a little confused with the whole ohms changing thing. i have pretty good hands on knowledge on cars for like mechanics but thats because im so very visual. and since i cant " see " electricity i get confused lol. maybe one day ill post pics of my finished truck up here! thanks alot again you guys rock it! keep it frosty.

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i am an idiot

Platinum - Posts: 13,667

Joined: September 21, 2006

Location: Louisiana, United States

Posted: March 29, 2009 at 12:40 AM / IP Logged

Your amp is a one channel amplifier. It is capable of a 2 ohm load. You need to get a Dual Voice Coil 4 ohm woofer. Wire the coils in parallel for a 2 ohm load.

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mtparker18

Member - Posts: 27

Joined: December 16, 2008

Location: Pennsylvania, United States

Posted: March 30, 2009 at 10:04 AM / IP Logged

Get a 2ohm SVC or 4ohm DVC. That way you can get your 2ohm load.

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icearrow6

Copper - Posts: 497

Joined: February 02, 2009

Location: California, United States

Posted: March 30, 2009 at 2:31 PM / IP Logged

600 RMS at 2ohm? Sound like a job for kicker CVX 10" ! They are dual 4ohm. (or dual 2ohm).

Now...about the enclosure, you didn't specify what type you had.

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2 ohm amp to 4 ohm sub?

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