Audiobahn 1251 wiring

[paki]

i searched and did not come up with anything that helped

basically, i'm trying to wire up a 12" audiobahn 1251 with my amp setup. my amp is 800w max Legacy, 2 ohm. i saw the wiring diagram in the booklet for the sub for a 2 ohm amp, but it doesnt make sense anymore. i wired it according to the diagram, my sub worked for about half an hour and now it wont turn on. its not popped, it has lots of resistance when i push on it. what could be wrong / how would i go about wiring this? thanks

samad

[GHOST]

Are you 100% sure that the amp can handle a 2ohm load?

Make sure the amp turns on and is not on protection mode. Sounds like you blew the amp channel by wiring it for 2 ohms.


http://www.rockfordfosgate.com/rftech/wiringwizard/1_4ohmDVC_2ohm.gif

The speaker must be a 4ohm dual voice coil sub to be able to wire it into 2 ohm load.

If it is a 2 ohm dual voice coil and you wire it the exact same way, you are at a 1ohm load and that will 100% blow up your amp.

Try to wire it like this :

http://www.rockfordfosgate.com/rftech/wiringwizard/1_2ohmDVC_4ohm.gif

for a 4 or 8 ohm load on a 2 or 4 ohm speaker.

-g

[paki]

yeah im 100% sure that the amp is 2 ohm, ill double check after work though just to confirm that 100%. and i know the sub itself is a 4 ohm dual voice coil (check it online if anyone has doubts). ill take pics of my wiring diagram cuz its exactly how i wired it.. but ill have to do it later

edit-- looking back at your post, it looks like the first diagram

[mlumz]

Also make sure the amp is grounded correctly, no fuses have blown or wiring isn't touching metal. My friends and I have blow a few fused before cause of not making sure everything is grounded. Once you know for sure the amp is not in protection mode, then try the above ideas to make sure the ohm wiring is correct.

[chaos GT]

although most 2 channel amps are stable at 2 ohms per channel, they are usually only stable at 4 ohms when bridged. if your amp is indeed a 2 channel and you bridged the channels to run the sub, there's a good chance it's fried (or hopefully just a blown fuse).

[paki]

i checked everything last night. looks like my amp is on the way out... or is already out. it continually gets extremely hot and blows the fuse. i know the ground and everything is proper, i triple checked it before and after all this happened. so i need to get a whole new set up, but that will be a month from now. so im just gonna return everything and leave it the way it is for now. damn legacy amp.. why is it going out on me now?

[BigMix]

well if you wired your sub to 2ohm and bridged your amp then your running 1ohm so that is why your getting hot and blowing fuses.

[paki]

so i shouldnt bridge it.. just keep it as if it was a left or right speaker? wire it that way through the amp?

[BigMix]

or wire the speaker so its not 2 ohm and then bridge the amp. I would not just put the sub on one side.

[paki]

just curious.. why wouldn't you wire it as just a left or just a right speaker? just cuz it might not hit all the time? or would it actually damage the sub...?

[BigMix]

im sure you could do that just never heard of anyone doing that with a dual voice coil sub. I think you could run a wire from each coil and then bridge the amp that way and would give you perfect 2ohm load.

[Atomic]

Double check your +/- speaker connections on the sub. Another possibility is that you accidentally crossed them when you paralleled the coils, causing the amp to overload and pop a fuse.

Also, a channel could be fried on the amp or you could have a bad coil in the sub, causing these same problems. Try wiring the sub coils like you said, left and right channels separate, it won't hurt anything.

Your current setup sounds right though, you should be running 2-ohms across the board if it all is properly wired and can handle that load.

[paki]

ok i rewired everything on there. first i tested ONLY the left channel (hooked sub to just left channel on the amp) worked fine, wasnt as loud as it is bridged. i did it again for the right side, same as left channel BUT IT WAS QUIETER!. when i bridge it, the fuse pops. so im guessing the right channel is fried, and im not gonna mess with it right now. subless :(

[chaos GT]

definitely sounds like the problem is that your sub is wired to 2 ohms and your amp (just like almost all others) is only 4 ohm stable when bridged. although your right channel may well be blown, just double check the balance setting on your stereo. other than that, you probably need a new amp. you'd be best off getting a mono sub amp that is stable at 2 ohms or even 1 ohm.