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 amp would be better to use with what speakers/sub? I have a KAC-7202 kenwood 920W maximum power (150wX2 RMS, 4ohms) (230wX2 RMS 2ohms) and then the other amp I have is a Alpine MRP-M500 mono power...


I'm using that Alpine right now for 2-12" subs and I have compared it to 6 or 7 other amps this month and most were 4 channel 150Watt/Channel Bridged to 300Watts x 2 and found the Alpine to be superior in both sound quality and loudness. The Alpine has also not turned off even with full volume for hours at a time, Very solid amp I was very surprised due to it's size!

Apr 04, 2013 | Kenwood Car Audio & Video

1 Answer

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

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

1 Answer

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

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

2 Answers

Alpine subs not hitting hard


could it be as simple as bass boost??? maybe you have the subs hooked up wrong... have to have the ohms right.....hopefully this helped

Jan 26, 2009 | Pioneer GM-X962 Car Audio Amplifier

3 Answers

Adjusting wattage on kenwood kac 9103 class D mono amp


That amplifier is 900W x 1 @ 2ohms.
If your subs are 4ohm SVC wired Parallel, resulting in a 2 ohm load, each sub will only see 1/2 of the rated power. (450W ea.)
Your gain (sensitivity) setting should be between 75% and 85% to max. You will be fine.

Jan 02, 2009 | Kenwood KAC-9103D Car Audio Amplifier

1 Answer

Help!!!!


I would say any decent pair of 12" or 15" (single 4 ohm voice coil) subs that can handle at least 500W rms would work. The rest is going to be based on cost, type of box, type of music, etc.

Feb 20, 2008 | Alpine MRD-M1005 500W x 1 mono subwoofer...

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