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Old 11-14-2006, 04:34 PM   #1 (permalink)
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yo da bull

okay so i have two alpine type R as you know 10" and i un hooked it all like 2 days ago and it was in perfect working condition it was in a tiny sealed box. I had a new box made, Ported this time because i heard they were better for bass response, upon hooking all my system back up i have no bass response at all just the subs making noise and moving but no beat behind them you know. I decided to cover the holes and low and behold theres the bass.. soo whats wrong hhaha
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Old 11-14-2006, 06:02 PM   #2 (permalink)
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Sounds like the tuning is WAY off, either that or you may have one of the subs out of phase with the other. Take the wire from one side or the other (doesnt really matter which), and swap the positive for the negative (not both sides, just one). See what that does. With the speakers moving, the latter sounds more like the culprit. See what happens and lemme know.
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Old 11-14-2006, 06:52 PM   #3 (permalink)
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take the wire from one side of what
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Old 11-14-2006, 07:25 PM   #4 (permalink)
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What kinda amp d u have?
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Old 11-14-2006, 08:36 PM   #5 (permalink)
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take the wire from one side of what
Sorry, you have a positive and negative wire at each speaker. Swap the pos and neg at one speaker (dont mess with the other speaker).
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Old 11-14-2006, 10:15 PM   #6 (permalink)
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i have two mono alpine amps, so da bull your saying switch the neg and pos on the inside of the box or into the amp?
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Old 11-14-2006, 10:37 PM   #7 (permalink)
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Originally Posted by bimmer3214
i have two mono alpine amps, so da bull your saying switch the neg and pos on the inside of the box or into the amp?
He said at the speaker, but it doesnt matter, it's just the opposite end of the wires.
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Old 11-15-2006, 05:13 AM   #8 (permalink)
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i have two mono alpine amps, so da bull your saying switch the neg and pos on the inside of the box or into the amp?
Yeah whichever is easier to get to. I didnt know (or forgot, which is probably the case) you had two amps. You can do it at the amp too, just one amp, not the other. I just wanted to try a few things. Those "R"s should peform rather well in a ported enclosure. If you could also take some REALLY good measurements of the box and the diameter of the port, the length of the port, and number of ports, and post them. I wanna see where this thing is tuned at.
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Old 11-15-2006, 06:24 AM   #9 (permalink)
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aight i will do or try once i get home from work. thanks for your help and i will get back to you soon. oh and you want me to take wires from one sub the positvie and negative and switch them around so the neg is the positvie in to the amp but diconnect the other amp at the time
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Old 11-15-2006, 07:44 PM   #10 (permalink)
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You have the wiring correct, but leave the other amp/sub hooked up. I would like to see what happens when you do that, I am thinking your bass should get louder.
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Old 11-15-2006, 08:04 PM   #11 (permalink)
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they were out of phase haha i decided screw doing it myself and just asked the guy at the audio store to look at it and that what he said fixed it and now it loud as shit
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Old 11-15-2006, 09:15 PM   #12 (permalink)
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I kinda figured thats what it was. That's why I wanted to check the phasing of the subs first. Glad you got it fixed...
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