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wiring query

Old 07-18-2009, 08:42 AM
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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.
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Old 07-18-2009, 08:55 AM
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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.
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Old 07-18-2009, 09:16 AM
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Originally Posted by wildwilly View Post
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?
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Old 07-18-2009, 09:45 AM
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The Alpine subs are VR 12
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Old 07-18-2009, 09:46 AM
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Subs are Alpine VR12. Not sure of power rating on them
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Old 07-18-2009, 09:49 AM
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Alpine VR12
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Old 07-18-2009, 09:50 AM
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How many ohms are the coils? Is your amp 2 ohm stable?
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Old 07-18-2009, 09:53 AM
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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
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Old 07-18-2009, 09:58 AM
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Originally Posted by wildwilly View Post
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. 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.
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Old 07-18-2009, 10:32 AM
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It should also be written on the magnet.
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