Big Difference?

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smokinsmitty

Copper - Posts: 75

Joined: December 26, 2005

Location: United States

Posted: June 01, 2006 at 10:11 PM / IP Logged

Ok guys! Well I got 2 12" FUsion Powerplatns wired up in 4ohm mono powered by a Audiobahn A8002V amp in a ported to 37hz box. What if i bought another fusion powerplant 12" and put all 3 in a sealed box and used the same amp but still at 4ohm mono! Would it be any louder? Which set up would hit harder and be the loudest? It is in Ext. cab sonoma! thanks everyone

1 15" Memphis Mojo,

Memphis 16-mc1000D amp,

Audiopipe 4gauge mp kit, Pioneer DEH4700MP head unit.

2002 Yamaha 660R Raptor

Yamaha FZR600 crotch rocket

Sea Doo XP800

Sea Doo Spi

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forbidden

Platinum - Posts: 5,352

This member has made a donation to the12volt.com. Click here for more info.

This member has been recognized as an authority in Mobile Audio and Video. Click here for more info.

Joined: November 01, 2003

Location: Alberta, Canada

Posted: June 01, 2006 at 10:34 PM / IP Logged

You are not going to be able to get 4 ohm mono with 3 subs, back to the drawing board you go.

Top Secret, I can tell you but then my wife will kill me.

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smokinsmitty

Copper - Posts: 75

Joined: December 26, 2005

Location: United States

Posted: June 01, 2006 at 10:37 PM / IP Logged

it will bring the ohm level down to 2.67 ohm! already figured it up and my amp is 2ohm stable

1 15" Memphis Mojo,

Memphis 16-mc1000D amp,

Audiopipe 4gauge mp kit, Pioneer DEH4700MP head unit.

2002 Yamaha 660R Raptor

Yamaha FZR600 crotch rocket

Sea Doo XP800

Sea Doo Spi

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luckydevil

Silver - Posts: 365

Joined: July 04, 2005

Location: United States

Posted: June 01, 2006 at 11:32 PM / IP Logged

smokinsmitty wrote:

it will bring the ohm level down to 2.67 ohm! already figured it up and my amp is 2ohm stable

That amp is 2 ohm stable on EACH channel, not when bridged like you have it.

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smokinsmitty

Copper - Posts: 75

Joined: December 26, 2005

Location: United States

Posted: June 02, 2006 at 8:45 AM / IP Logged

EWW. so is there any other way i could wire this? 3 subs DVC 4ohm and keep it above 2ohm or higher.

But which setup do you guys think would hit harder?

1 15" Memphis Mojo,

Memphis 16-mc1000D amp,

Audiopipe 4gauge mp kit, Pioneer DEH4700MP head unit.

2002 Yamaha 660R Raptor

Yamaha FZR600 crotch rocket

Sea Doo XP800

Sea Doo Spi

Back to Top

haemphyst

Platinum - Posts: 5,054

This member has been recognized as an authority in Electrical Theory. Click here for more info.

Joined: January 19, 2003

Location: Michigan, Bouvet Island

Posted: June 02, 2006 at 11:45 AM / IP Logged

Well, first off, going from vented to sealed, you'll lose around 3dB, add 1.5dB back in for the third woofer, and you are still at a 1.5dB defecit. Do the math... you would need a fourth sealed woofer, just to be equal to the 2 woofers in vented enclosures... Sealed woofers SHOULD go deeper in response, but are not generally as loud.

It all reminds me of something that Molière once said to Guy de Maupassant at a café in Vienna: "That's nice. You should write it down."

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Big Difference?

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