Question about Alpine SWR-1542D Car Subwoofer

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Alpine 1542d If i'm having to turn my gain up too high on my amp to power my sub, what is the fix? A stronger battery, etc?

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  • Jacob Blackwood
    Jacob Blackwood May 11, 2010

    What is the max wattage for both your amp and sub?

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Yes get a juice can it goes on your speaker box it hookes to your battery when ever you turn it on it turnes on and when you turn it up it gives your battery more power which means more bass and sound

Posted on Jun 23, 2009

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Posted on Jan 02, 2017

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I have a kicker ix 500.4 hookd up to polk audio 6x9 and 6.5. if you play the system past about 25 volume the subs will keep playing but the speakers will cut out for a few seconds as if its hiting the


Make sure your frequency is no higher than 80 on the low and 120 on the high. Check speaker polarity with a AA battery(Speaker pops out when polarity is correct) Make sure the speaker crossovers are working properly. Check your ohm load when you connect the speakers together with a multimeter at the amp. Ohms that are too low = heat. See what your amp is rated for. After all that, turn the gain down all the way, turn up the volume to 25-28 and readjust the gains

Dec 07, 2013 | Kicker IX500.4 4-Channel 500 Watt Car...

1 Answer

I have an alpine type rs one is a1542 and one is 1522 how can I make them hit the same or can I ?


I dont think it matters but it is not really a good idea to have two different subs in one box (if they are). They need to be in phase. They have to have the same amp is running them with corrects wattage and impedance, ya they can hit the same. The subs are so much the same i really dont think it matters if they are in the same box.

Feb 12, 2010 | Alpine SWR-1542D Car Subwoofer

1 Answer

Why do some subs have a double stacked magnet


Think of the magnets on the sub as a engine, more magnets like an engine means more power, that relates to stronger push/pull on the speaker gainning more travel,quicker response,tighter more stable, cleaner bass, remember though that needs a better stronger amp to take advantage of all that speaker has to offer, have fun and good luck!

Nov 25, 2009 | JC Whitney - High-power Double-magnet...

2 Answers

Only powers subwoofers when at high volume


Well, make sure that the output level on your head unit is up, and also try adjusting the gain NEVER EVER PUT IT ON FULL GAIN BECAUSE THAT WILL CLIP THE AMP AND MAY BLOW AMP AND/OR SUB!!!

Oct 08, 2009 | Alpine MRP-M1000 Car Audio Amplifier

2 Answers

I have an Alpine MRD-M605 amp that recently has started having issues. My subs only produce sound when my deck is turned up full blast. The setup had been working for over a year with no problems. The subs...


If your deck is aftermarket; Does it have a dedicated Subwoofer output? if so, check the control in the deck (sub gain). If you are using a factory radio, and a high to low level adapter (speaker wires to RCA), it may be bad (not too uncommon) or check your fader front/rear any difference? Otherwise, you have one of two problems. A bad preamp in the deck or a bad pre amp in the amp. Both are fairly uncommon. More than likely it's a setting. Hope this helps

Jun 23, 2009 | Alpine MRD-M605 Car Audio Amplifier

1 Answer

Recommended Amp? Highest Watts you would run to it?


the amp is rated at 950Watts that is about 75amp.@12volts. check the battery and the alternator rating. you can't pull full power from the battery, that will prevent the car from starting.
add up all of the amp from all of the fuses in the fuse box, and subtract that from the battery rating , that is the max power the amp will get.
your have to turn up the gain because of the low power.
so, if you change a amp with better rating, you still have to turn up the gain.

Apr 17, 2009 | Alpine SWR-1542D Car Subwoofer

1 Answer

Problems with MRP-M650


as far as it staying on it may have been wired to your hot unstead of your remote on your radio

when it runs wide open it gets hot
how are your gains

I have an alpine and I just hooked up jl 12 w3s and it kinda j did what yours did
it played.. hit hard then no subs.. my mids and highs platyed, but until I would turn off the car and restart the radio the subs immediately came on and the subs are only connected to this aplpine mrp m 650 amp

what speakers and what ohm did they wire it too?

i think my problem was I was overloading my amp feeding it a 2 ohm load or a one ohm load and it was shutting down my subs.. protectection I suppose?


Jun 02, 2008 | Alpine MRP-M650 Car Audio Amplifier

2 Answers

Subwoofer


what OHM is the voice and what OHM can you amp Handel?
This are the facter that you need to know but the esey to do it is + to + and to the + on the amp and the - to - and to the - on the amp and this should give you a Two OHM ratting and will giv you Two time the Power out of your amp?
If you need more help E-Mail me at Gennisthgreat2000@yahoo.com

Oct 24, 2007 | Alpine SWR-1542D Car Subwoofer

1 Answer

Woofer making horrible noise! HELP!


Think as an expert... Probably from my experience repairing woofers etc... the cone (1) or the spider (2) isn't well glued onto the woofer skeleton(or both???) The woofer cone must be absolutely centered or else you will get those clicks in low frequencies(you also get them in higher frequencies but you can't hear them!) I must say that it is very difficult to repair a woofer by your own. I suggest to return it back where you bought it and take another one (i suppose that you have a guarantee ha?).

Aug 10, 2007 | Alpine SWR-1542D Car Subwoofer

1 Answer

Alpine pdx 1.1000 amp


These subs are dual voice coil I'm sure...make sure they are putting a 2 ohm load on the amp total, and also set your gain and frequency setting right. Set the frequency around 85 or 90, make sure the lo pass filter is on. Turn the gain ALL the way down and turn your stereo to the point right before your speakers distort....then slowly increase the gain until the subs are playing at full volume. This should not even be close to all the way up, and the subs should sound accurate and bold. Turning them past this point will cause distortion, in which case you should back off the gain a bit. Distortion causes power to cycle through the amp very rapidly and can cause blown subs and blown fuses. If you do not know how to wire both subs for a combined load of 2 ohms, please let me know what type of subs you have.

Aug 05, 2007 | Alpine PDX-1.1000 1000W x 1 Car Amplifier...

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