How to change impedance

[Hydrastas 10+ year member]

How do you change the impedance from 4 ohms to 2 ohms, can you do so without a dual voice coil speaker?

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[zachzchw 5,000+ posts]

Not without a recone.

 

[Wowimzz 10+ year member]

um, are you talking about wiring a subwoofer? if your trying to change a svc 4 ohm to a svc 2 ohm, you cant. you have to send it somewhere to get it reconed.

 

[Worlddre 5,000+ posts]

you could wire a 4ohm resistor in parrallel(sp?) but it would be a wast since half the power would be wasted on the resistor

 

[ngsm13 5,000+ posts]

No.

nG

 

[azbass 5,000+ posts]

could wire 2 single vc 4 ohm woofers to a 2 ohm load....

 

[Hydrastas 10+ year member]

in the process of reconing it does it get another voice coil added?

 

[Hydrastas 10+ year member]

wait a minute, thats what i have, 2 4 ohm vc woofers, how would i wire them to a 2 ohm load?

 

[hks 10+ year member]

no, all softpart replaced

 

[ngsm13 5,000+ posts]

wait a minute, thats what i have, 2 4 ohm vc woofers, how would i wire them to a 2 ohm load?

Combine both positives... run to the amp. Combine both negatives... run to the amp.

Done. 2ohm load.

nG

 

[azbass 5,000+ posts]

wait a minute, thats what i have, 2 4 ohm vc woofers, how would i wire them to a 2 ohm load?

just like this

http://www.rockfordfosgate.com/rftech/wiringwizard.asp?WoofQty=2+woofers&WoofImp=Single+Voice+Coil+-+4+ohms

 

[Hydrastas 10+ year member]

how does reconing it, change it into 2 ohms?

 

[ngsm13 5,000+ posts]

how does reconing it, change it into 2 ohms?

Just don't worry about it.

Basically, a knife is taken to your subwoofer... it is ripped apart. All the moving parts are replaced...

Most companies DO NOT do this...

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nG

 

[Hydrastas 10+ year member]

can i combine both positives and split it into two new positives, and same with the negatives and then bridge four channels for the two speakers?

 

[zachzchw 5,000+ posts]

What subs do you have?

 

[azbass 5,000+ posts]

no

 

[Hydrastas 10+ year member]

two american bass DX-15's

 

[ngsm13 5,000+ posts]

So you have TWO Single 4ohm subwoofers... and a 4channel amp?

nG

 

[Hydrastas 10+ year member]

yeah

 

[Hydrastas 10+ year member]

whats that mean?