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wildwilly 07-18-2009 08:42 AM

wiring query
 
Hope someone can help me out. I have 2 12" Alpine subs in a bandpass box hooked up to a Phoenix Gold QX 180.2. The box has 2 wiring connectors; one to each speaker. If I try to bridge the amp by joining the 2 positives and the 2 negatives together it sounds like crap and amp keeps cutting out(overheats). If i hook up one to each channel its fine but not enough punch and amp does not overheat. By the way amp iis a 2 channel amp.
Any ideas would be geatly appreciated.

weelz 07-18-2009 08:55 AM

sounds like one sub per channel is all you're going to get out of that amp. if you want more power you'll have to get a bigger amp.

DeadlySones 07-18-2009 09:16 AM


Originally Posted by wildwilly (Post 500903)
Hope someone can help me out. I have 2 12" Alpine subs in a bandpass box hooked up to a Phoenix Gold QX 180.2. The box has 2 wiring connectors; one to each speaker. If I try to bridge the amp by joining the 2 positives and the 2 negatives together it sounds like crap and amp keeps cutting out(overheats). If i hook up one to each channel its fine but not enough punch and amp does not overheat. By the way amp iis a 2 channel amp.
Any ideas would be geatly appreciated.

What model # is your subs?

wildwilly 07-18-2009 09:45 AM

The Alpine subs are VR 12

wildwilly 07-18-2009 09:46 AM

Subs are Alpine VR12. Not sure of power rating on them

wildwilly 07-18-2009 09:49 AM

Alpine VR12

DeadlySones 07-18-2009 09:50 AM

How many ohms are the coils? Is your amp 2 ohm stable?

wildwilly 07-18-2009 09:53 AM

Darn...couldnt get thru but then all messages show up....sorry.Not sure how many ohms coils are but amp should be able to run 2 ohm stable. Phoenix Golds are always good for that

DeadlySones 07-18-2009 09:58 AM


Originally Posted by wildwilly (Post 500922)
Darn...couldnt get thru but then all messages show up....sorry.Not sure how many ohms coils are but amp should be able to run 2 ohm stable. Phoenix Golds are always good for that

I would think so. In looking up the subs they seem to only be SVC. :dunno:for sure. Do you have a digit multimeter? If so check the terminals on the box to see how many ohm the speakers are. This is the only way to tell for sure. I wouldn't keep driving your amp into protection, until you have a chance to find out why.

DeadlySones 07-18-2009 10:32 AM

It should also be written on the magnet.


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