2 or 1amps?

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wrathchild281

Copper - Posts: 241

Joined: February 02, 2005

Location: United States

Posted: August 07, 2005 at 6:03 PM / IP Logged

hey you guys right now i have a jbl bp1200.1 pushing 4 12's im planning on purchasing 4 more 12's. Should i buy another jbl bp 1200.1 or could i buy like a memphis mojo amp which is like 2000watts or something and push all 8? I mean like could i wired 8 4ohm DVC subs to this one amp and have the amp seeing 2 ohms? thanks.

jeffchilcott

Platinum - Posts: 2,483

Joined: April 11, 2002

Location: United States

Posted: August 07, 2005 at 6:07 PM / IP Logged

I would reccomend using one amp, and why are you running 8 subs???????? beyond me I guess. We are running 2 subs and over the 150db mark on the term lab mic.

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stevdart

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Joined: January 24, 2004

Location: Pennsylvania, United States

Posted: August 07, 2005 at 6:23 PM / IP Logged

wrote:

I mean like could i wired 8 4ohm DVC subs to this one amp and have the amp seeing 2 ohms?

When you get into large numbers of subs to figure out, use the Parallel and Series Calculators for help. Start by figuring the impedance of each sub after wiring the coils; in this case it will either be 2 ohms or 8 ohms. Use the calculators to enter that number eight times. Click the = for the result.

You will find that you can either use a high current 1-ohm stable amp to drive all eight, or two amps to power four each at 2 ohms. Wiring for either way would be series/parallel.

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

wrathchild281

Copper - Posts: 241

Joined: February 02, 2005

Location: United States

Posted: August 07, 2005 at 6:29 PM / IP Logged

alrite ya im doing 8 12's sealed walled off in my truck. Im going for looks pretty much but im sure it will be loud to. anyways so with the amps what would you recommend?

Blowntweeters

Silver - Posts: 650

Joined: June 03, 2005

Location: Nevada, United States

Posted: August 07, 2005 at 6:30 PM / IP Logged

thats alot of coils you can get 1 ohm with a series parallel combo .also need to know what subs before i could suggest an amp

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wrathchild281

Copper - Posts: 241

Joined: February 02, 2005

Location: United States

Posted: August 07, 2005 at 6:51 PM / IP Logged

the subs are memphis power reference. they are 250 watts rms a piece with matching and everything im already decided like anywhere from 2000 to liek maybe 2400 watts rms or something. which would like around what the subs are rated at. so waht amps would u guys suggest and also overheating is a problem. thanks

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2 or 1amps?

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