what is a good amp for my sub

[matty_matt720]

I just bought a 1200 watt peak sub from my buddy who ran it with a rockford fosgate bd1000 and i need a amp for it, it is 300rms it looks like its an infinity reference series (good sub?)

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[dragnix 5,000+ posts]

I believe Infinity Reference is the lower line. What's the coil configuration of the sub?