installed subwoofers, one doesn't work - Car Audio | DiyMobileAudio.com | Car Stereo Forum

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Old 07-17-2007   #1
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Angry installed subwoofers, one doesn't work

Got the two Type-X subwoofers installed last night, wired it exactly as shown in the Owner's Manual for a dual subwoofer series/parallel configuration. One plays fine, the other doesn't play at all. Alpine uses this crazy ass jumper design in which you use blade style jumpers to select "series" or "parallel" on each subwoofer. I am thinking their instructions are wrong, as they have turned a simple concept into rocket science. I gave up and went to bed before troubleshooting.

When I get home I am going to measure the DC resistance at the amplifier terminals and start troubleshooting from there. I'll probably end up having to pull each subwoofer and find out exactly which VC terminals these jumper blades are interfacing with and wire accordingly, ignoring Alpine's preprinted instructions. It's frustrating because they have overcomplicated the process, and even more so because I have to take the entire amp rack apart to get the subwoofers out.

Gaaahhhh!
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Old 07-17-2007   #2
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Default Re: installed subwoofers, one doesn't work

yeah, just like the upper end crossfire subs where they try to make things "idiot proof" but it ends up confusing people who are used to doing things their way. once you figure out what the deal is you should email alpine and tell them to shove their overcomplicated design up their ass.

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Old 07-17-2007   #3
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Default Re: installed subwoofers, one doesn't work

The blade style jumpers ARE idiot proof. Unless you think you're not an idot and forego the instructions which point to the jumpers existence.

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Old 07-17-2007   #4
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Lightbulb Re: installed subwoofers, one doesn't work

Okay, I printed out the manual while I am at work and I am looking at it. The jumper when inserted into the "Series" slot links together VC1- and VC2+. Having learned this, Alpine's wiring diagrams for multiple subwoofers wired in series/parallel are very, very wrong. I should have checked this before I mounted the subwoofers back into the enclosure, but I assumed it would be correct since it's the company's own publishing. I will fix it when I get home.

The jumpers are neat now that I know exactly what VC terminals they are interfacing with. The bad instructions however, not so neat.
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Old 07-17-2007   #5
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Default Re: installed subwoofers, one doesn't work

Quote:
Originally Posted by Lightninghoof View Post
The jumpers are neat now that I know exactly what VC terminals they are interfacing with. The bad instructions however, not so neat.
X2 I hear ya on that one. Alpine instructions are not always concise.

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