Question about RCA RC126W Car Subwoofer

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One sub makes a scraping sound

I have two 12's alpins type E. and one of the makes a scraping sound at the base of the sub. im wondering if its burned or if its fixable?

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Coil is fried. the copper windings arround the coil are melted or unwound and rubbing on the cone insert. Play it till it goes out completely or replace it if it's that bad.

Posted on Dec 10, 2008

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I have a 12" d4 type r 1000 rms and a alpine 1000 amp speaker sounds great but smells like something is burning, my amp never over heats or shuts down but the smell is still coming from the sub?


Cut your gain back on the amp. It sounds like they are set too high. Check your install instructions on how to set your gain. If you have a 4 or 5 volt output head unit your will not be at half way. Im running a JL Audio 500 /1 on a skar wwv10 dvc in a ported box. My gain is set about half way & its plenty loud.I have a Alpine 9887 headunit 5 volt output on my RCAsI can take a volt meter & set my speaker output at 45amps & my gain in perfect.

Apr 28, 2014 | Alpine Type-R SWR-1242D Car Subwoofer

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What is the best amp for one 15" alpine type r?


sub spec 250watts per coil you should be just fine I have 2 typr 15s on orion hcca 2500 1 and it kicks a$$ thats 1000 watts over the rated limits of the subs only shut the amp down once these subs can take a lot more power than they say just use your common sence with the volume and gain levels

Jan 31, 2012 | Alpine Type-R SWR-1242D Car Subwoofer

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Have 4 - 12 alpine type R in custom box made just for them. Hooked up to a JL 1000 slash 1v2 mono. They all have power but when i really crank it one of them pops a little. Theres no way that amp could be...


It may not necessarily be pushing the subs to the blowing point, but you amp may be clipping. If you amp reaches a certain point where is strains for power, it cannot reproduce the frequency. The result is a "popping" sound. Your right in that the amp couldn't be doing that. Another thing to check is what is the ohm load on the amp. Is the amp 2 ohm or 1 ohm stable. You could be damaging the amp if it is not wired correctly. Hope this helps.

Aug 23, 2011 | Alpine Type-R SWR-1222D Car Subwoofer

1 Answer

What is the best box for 2 ALPINE SWR-1242D 12"SUBWOOFERS TYPE-R NEW SUB WOOFERS


Ported and tuned to around 37-40 hertz. After all displacement the box should be in the 2.2 cubic foot for sub and you will be very impressed. Build it yourself for optimum sound and output.

May 23, 2010 | Alpine Type-R SWR-1242D Car Subwoofer

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Popping noise on my 12" type r subs


The subs are making that sound when the bottom out + when they reach full excursion be careful if it keeps happening eventually your subs will fail because you will end up damaging the subs voice coil.

Happy Booming

Apr 20, 2010 | Alpine Type-R SWR-1222D Car Subwoofer

1 Answer

Can I mix subs


You can, but if you wire them in parallel that is a pretty heavy load on your amplifier. It may even sound better to use one sub until you can get some more power behind them.

Rule of thumb, you can never have enough power! Check out my tips on wattage.

Mar 05, 2010 | Alpine SWE-1241 Car Subwoofer

2 Answers

NOT SURE WHAT OHMS SUB I NEED!


if you get the 4ohm you can wire it to run a 2ohm an the kenwood amp will push 900 watts at 2ohms.they say it can push up to 1800 watts,that would be at 1ohm.that kenwood runs 500 at 4ohms an 900 at 2ohm.if you need help wiring the sub or anything else let me know bertman285@hotmail,com Max Power Output 1800W Power Output 4 Ohm [14.4V] 500W x 1 [20-200Hz, 0.5%THD] 2 Ohm [14.4V] 900W x 1 [100Hz, 1.1%THD] Bridged[4 Ohm] -

Oct 09, 2009 | Alpine Type-R SWR-1242D Car Subwoofer

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I have a set of Alpine Type R 12 inch subs... I have a 1500 watt amp powering them but when I turn the music up, the bass cuts out. Where should I start looking for the problem?


ground is loose(most likely amp), battery running low, subs might be damaged? feel free to keep me in touch if problem occurs more after checking grounds and power source and subs. Also might need to re-tune your head unit and amp?

Jul 03, 2009 | Alpine Type-R SWR-1042D Car Subwoofer

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