Subwoofer wiring help

Bret New member Username: Mightytibian Post Number: 5 Registered: Dec-05	Posted on Tuesday, May 30, 2006 - 03:11 GMT Hiya, thanks for any help in advance. I have an Alpine SWR-1242D sub and am really confused on how to wire it from the sub to the box. I have the box and sub and wiring and stuff and the instructions but it has 2 options. One for 8 ohms and one for 2 ohms. I am looking in the intructions under the options one sub one amp duel 4 coil 4 ohms sub which is what I have. I also have a Profile ap1000m amp if that matters. Does it matter which option I chose to use from the sub using the little jumpers that came with the sub? How do I know which one to use? Thanks in advance.
TJ Silver Member Username: Thomas_g NM Post Number: 793 Registered: Oct-05	Posted on Tuesday, May 30, 2006 - 03:14 GMT lower sub impendence takes out more power from ur amp. U need to know if ur amp is what ever ohm stable.
TJ Silver Member Username: Thomas_g NM Post Number: 794 Registered: Oct-05	Posted on Tuesday, May 30, 2006 - 03:16 GMT Are u gonna bridge the 1 sub?? If so check on ur amps specs to see what ohm it handles in bridged, if u overload ur amp it might and most likely fu*k up.
Bret New member Username: Mightytibian Post Number: 6 Registered: Dec-05	Posted on Tuesday, May 30, 2006 - 03:22 GMT I know jack about car audio heh so I really dont know what bridging is. I know the amp says 350w at 4 ohms. Heres my amp if u wanna see it cuz idk what im doing. I might have to end up paying someone to install it. http://www.crutchfield.com/S-H8boftBNOuv/cgi-bin/ProdView.asp?g=100&I=489AP1000M &search=profile+amps
Rave'n Gold Member Username: Goatin Ohio U.S.A Post Number: 1249 Registered: Jan-06	Posted on Tuesday, May 30, 2006 - 03:26 GMT Does it matter which option I chose to use from the sub using the little jumpers Yes very much, a high ohm level means the sub sees less power. Is your amp 1 or 2 CH? If its 1 CH @ 2ohm your good? If not you may need a new amp. If it is wire it like this \/
Bret New member Username: Mightytibian Post Number: 7 Registered: Dec-05	Posted on Tuesday, May 30, 2006 - 03:48 GMT Ya its a mono amp. So I should use the second setup then?
TJ Silver Member Username: Thomas_g NM Post Number: 801 Registered: Oct-05	Posted on Tuesday, May 30, 2006 - 03:56 GMT use example 2.
Bret New member Username: Mightytibian Post Number: 8 Registered: Dec-05	Posted on Tuesday, May 30, 2006 - 04:01 GMT Awesome thanks for all the help
TJ Silver Member Username: Thomas_g NM Post Number: 804 Registered: Oct-05	Posted on Tuesday, May 30, 2006 - 04:05 GMT ya ur amp is 2ohm stable, so use 2ohms. You know how to wire it right??
Bret New member Username: Mightytibian Post Number: 9 Registered: Dec-05	Posted on Tuesday, May 30, 2006 - 04:12 GMT Well I think so. Gonna use the jumpers and then follow the rest of the instructions to just wire it to the sub box. Then Tweeter is gonna re-run my remote wire since it either went bad or came lose in the last install I had from Car-Toys. There also gonna wire the amp. I was just trying to figure this out so I wouldnt have to spend 20 bucks on it. We bought some pretty thick monster sub speaker cable from radio shack and I think u just use the spring thingies and run it from the sub to the box and crimp it. Just gotta look at the sub closer to see how to wire it. Any tips?

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