Question about Alpine Type-R SWR-1242D Car Subwoofer

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Alpine type r best amp?????

Which amp would be the best amp and how would you wire it only want fosgate amps and alpine amps

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Alpine mrd-m1005 best amp 4 it

Posted on Aug 31, 2008

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Wire my rockford fosgate rf2002 amp and 12"sub to cobalt


Hi my names Josh. I see you want put your rockford amp in. Assuming you have your factory radio you have some wiring to do. But first you need and amp kit it wil have the necessary wiring you will need in it to wire your amp to your car. You will also need a line level converter they you can pick on up at best buy other wise known as a pac converter. This will alow you to transfer the high level frenquency your radio puts out to a low level frenquency to go strait to your amp through a pair of RCA's thus giving you sound to your amp and then to the sub. Your wiring will consist of the ground which you will have to ground off the vehicles chasis no more than a foot from your amps designated location. Then you have you power 12v which is about a 4 gauge wire and will be fuzed and ran strait to the positive side of your battery and last will be your remote wire. Your amp will have a place marked remote on it that is strickly for you to wire to your radio/ignition source for powering the amp up when radio is on and powering it down when it is off. YOU MUST ISOLATE THAT WIRE with a 12 volt tester it will be the wire that is tied in to your radio to power only when your igniton is on and when you turn your key it should tell you if you know how to properly check for this wire. wants you istolate this wire you will want to tie into to it and then of coarse run it and tie it into your amps remote power again it will be marked remote on your amp. From there all you have left is tying in your line level convererter.. This takes some patience as you must make sure that you do isolate your sound left and right postive and negetive front and rear channels the line level converter will tie into either your front or rear channel but caution you dont get them mixed or you will not have a signal at all. Again my names Josh and i hope you are able to get it hooked up okay.

Mar 06, 2010 | Rockford Fosgate RF2002 Car Audio...

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I have a rockford fosgate p5002 amp. I have 2 alpine 12" type-r's. I just got them bridged together and my amp keeps going into clipping mode. i tried turning down my gain and adjusting my frequency but it...


Hi unbridge the subs and run them sterio your overloading the amp and its going into protection mode. if you have anymore questions about car audio feel free to ask me...

Feb 05, 2010 | Rockford Fosgate Punch P5002 Car Audio...

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I have one 12inch 1000 watt mtx sub what size amp should i buy


Hello taona80,

If the 1,000 watts is RMS, I'd recommend an amp in the 750-1,000 watt RMS range, perhaps like the Alpine MRP-M1000 or Rockford-Fosgate T1000bd. If the 1,000 watts is peak power, the subs continuous (RMS) power handling is much lower, probably 300-400 watts. In that case, I'd recommend the Alpine MRP-M500 or Rockford-Fosgate T500-1bd.

Nov 09, 2009 | Nitro BMW-482 Car Audio Amplifier

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I have 3 alpine type r 2 ohms each and hiffonics brutus 1500


Assuming that when you say 2ohm you mean that both coils on the subs are 2ohm. If this is true then wire the individual subs in series to make 3 4ohm subs, then wire 'em all together in parallel to your amp so your amp will run at 1.333 ohms, and your subs will see about 400watts rms a piece, because wiring it at 1.333 ohms reduce output by about 20% but this is the best you're gonna get w/o going under amp's stability which is highly unrecommended. Besides those puppies'll still slam hard! Hope this helps...

Sep 16, 2009 | Alpine Type-R SWR-1222D Car Subwoofer

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When my bass hits, my car lights flicker.


Is the problem much more noticeable when the car is at idle? Double check that Alternator output. 70 amps is not high output, and if the problem is especially noticeable at idle, it's probably due to the alternator putting out lower voltage( a common thing with alternators). Also, with that much draw from your sub amp, the wire from battery to alternator should be beefed up, as well as the ground wire from battery. You can make up your own cables by purchasing the wire to length and wire lugs at a local Welding shop, 4 gauge from alternator to battery is good. High output aftermarket Alternators shoot into the 200 amp range.

Aug 20, 2009 | Rockford Fosgate P112-200 Car Subwoofer

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Sub will drain all the sound off the front speakers


if you have both amps connected to the same power wire this will happen...run another power wire to the alpine and this should solve the problem.

Jul 25, 2009 | Rockford Fosgate Punch 301S Car Audio...

2 Answers

System Cuts Off


your amp is tripping out because the subs a drawing to much power get a better amp alpine subs demand a lot of power try a high current amp

Jun 30, 2009 | Alpine Type-R SWR-1222D Car Subwoofer

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Alpine cda9883


One of the circuits on the "board" may be loose, or poorly soldered. I had a similar issue with My Pioneer unit. I checked them all, added some solder to the loose ones, and it was as good as new. Best of Luck.

Sep 06, 2007 | Alpine CDA-9883 CD Player

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