Driving out a 4ohm Woofer with a 1ohm amp

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pumara_iep

Member - Posts: 19

Joined: August 31, 2004

Location: United States

Posted: September 15, 2004 at 2:18 PM / IP Logged

I have a Dual voice coil 4 ohm woofer. What happens when you run it with an amp with an impendance of 1 ohm? Lets say the woofer rms rating is 500. and you run an amp that puts out 500w @ 1 ohm. is that safe?

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evanc

Copper - Posts: 148

Joined: June 20, 2004

Location: Virginia, United States

Posted: September 15, 2004 at 2:45 PM / IP Logged

And amp doesn't have an impedence (or ohms), that is determined by your speaker, or subwoofer in this case. Depending on how you wire your speaker is how you create a certain resistance level. With your speaker, you can either have a 2 ohm or 8 ohm load to your amplifier. The specs of your amp at those resistances and whether or not your amp can handle those resistance will help you determine how to hook everything up.

Click link #38 for a good description: http://www.bcae1.com/

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pumara_iep

Member - Posts: 19

Joined: August 31, 2004

Location: United States

Posted: September 15, 2004 at 3:53 PM / IP Logged

your just missing the whole question here man! Let me rephrase the question. Is it okay if you have a dual 4 ohm woofer wired in 2ohm, hooked up to an amp that is 1 ohm stable? If not, what happens to the woofer?

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Kingfisher

Member - Posts: 13

Joined: July 22, 2004

Location: United States

Posted: September 15, 2004 at 3:58 PM / IP Logged

The short answer? Nothing. If your amp is 1 ohm stable, and you have the woofer wired to run at 2 ohms, then it's going to work. Period. There's no problem with setup.

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94legend

Silver - Posts: 237

Joined: June 27, 2004

Location: United States

Posted: September 15, 2004 at 4:05 PM / IP Logged

LOL ! rgr jsut like what king fisher is saying!

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stevdart

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Posted: September 15, 2004 at 7:03 PM / IP Logged

pumara_iep wrote:

your just missing the whole question here man!

Give the man some respect for taking the time to explain something important to you. You did say "an amp with an impedance of 1 ohm..."

When you get to the point where you understand the relationship between an impedance load and the effect it has on the amp, and you're not phrasing your questions like that, then maybe somebody will sorta understand what you're saying.

Cheers

Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.

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Driving out a 4ohm Woofer with a 1ohm amp

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