wireing a dual 2 ohm 15. please give me feedback

[neighborstree 10+ year member]

ok so i been out of car audio for a longg time, but im getting back into it as a long lost hobby i used to love. heres what my question is

i have 3 15 inch orion hcca subs. im going to run them with 3 precision power 21400.2 chrome power class amps rated 1400 watts at 4 ohms bridged 2800 at 2ohms bridged. now i remember theres diferent ways to wire subs to create diferent ohms, but i forget it all.

so say i bridge the amp, one channel. + to + on the sub and - to - on the sub, what will my ohms be

say i go - to the other voice coil's +. then bridge the amp, + to + - to -. what ohms do i get lol., im confused, anyone have a owners manual for the old school hcca subs

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[jasonfry]

http://www.crutchfield.com/ISEO-rgbtcspd/learningcenter/car/subwoofers_wiring.html

maybe some quick help

 

[ultimate157 5,000+ posts]

You're going to have to run each amp at 4 ohms bridged.

http://www.crutchfield.com/learningcenter/car/subwoofers_wiring.html?imageID=3DVC%5F2%2Dohm%5F4ch