Rockford Fosgate P3 with Alpine MRP-M650

 

New member
Username: Chrisc26

Post Number: 1
Registered: Mar-15
I having trouble figuring out whats wrong with my set up. I don't believe its the amp because that amp has ran a less powerful sub with no problems (A Cadence UD124HFi) and now I just upgraded to the 12 inch Rockford Fosgate P3 2 ohm sub and from what I'm reading the sub and the amp should be perfect for eachother. The P3 has 600 rms and at 2 ohms the amp should be pushing out 400-600 watts rms.

Yet unless I severely set limits on either the gain on the amp or the sub setting on my deck the sub will just short out.

I'm hoping the sub and the amp are not the problem and its a simple fix of wiring differently.

Old sub: http://www.cadencesound.com/ud124hfi/
Current amp: http://www.crutchfield.com/p_500MRPM650/Alpine-MRP-M650.html?search=MRP+M650&osp =mrp-m650&tp=115
New sub: http://www.crutchfield.com/p_5751P3D212/Rockford-Fosgate-P3D2-12.html
 

Gold Member
Username: Joe1234

Post Number: 2032
Registered: May-09
Ok I take you have a D4 sub voice coils wired in parallel. Right?
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