Sub question rg ohm rating

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crimsondave

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Joined: June 26, 2005

Location: United States

Posted: July 07, 2005 at 9:39 PM / IP Logged

I can get a much better price on JL w3 rated at 6 ohms that at 4 or 2.

My question is, since w3s are dual voice coil, by hooking the subs coils up in parallel, I would actually be able to operate at 3 ohms, and not be loosing power, correct? Any reason I should avoid doing this?

crimsondave

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Joined: June 26, 2005

Location: United States

Posted: July 07, 2005 at 9:40 PM / IP Logged

should have been "not loose much power" would be operating 1 ohm higher than 4 ohm dual voice in parallel.

stevdart

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Posted: July 07, 2005 at 10:00 PM / IP Logged

Are you using one sub...and with what type of amp (two channel, mono)?

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

crimsondave

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Joined: June 26, 2005

Location: United States

Posted: July 07, 2005 at 10:06 PM / IP Logged

JL 300/4..........3 ohm stable bridged. Thinking about 1 sub for now.

stevdart

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Joined: January 24, 2004

Location: Pennsylvania, United States

Posted: July 07, 2005 at 10:23 PM / IP Logged

OK...150 watts looks like the optimum power to give that sub (W3v2). That amp will produce the same power whether the impedance load is 3 ohms or any number up to and including 8 ohms, so you'll do well to get your good deal on the sub. Use two channels bridged for the sub and the other two channels for your mains.

http://www.jlaudio.com/amps/3004.html

http://www.jlaudio.com/subwoofers/pdfs/12W3v2_MAN.pdf

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

crimsondave

Member - Posts: 15

Joined: June 26, 2005

Location: United States

Posted: July 07, 2005 at 10:26 PM / IP Logged

Thanks!

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Sub question rg ohm rating

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