20 Most Recent Alpine PDX-M12 Car Amp Questions & Answers


If the blue light is flashing it means the output mosfets are taking more than what the power supply can deliver. Probably just one of the MOSFETs is bad. Take off the heavy aluminum bar that is the heatsink for the 8 MOSFETs. Turn it on for about 10 seconds. (And see that the blue light is flashing.) Find the (hopefully) one MOSFET that is hot. Replace it. And you're good.

Alpine PDX-M12... | Answered on Oct 06, 2015


There are many sub woofers out there that would be suitable for your amplifier. Just stick to the quality brands such as Elemental Designs, JL Audio, Alpine(type X), MA Audio, RE Audio and there are many more. Make sure the minimum power handling for each sub woofer is 600 WATT RMS. Another thing. The gain control on the amplifier is not a volume. It is there to match the output voltage (V) of your head unit to the input voltage of the amplifier. For example, if your head unit RCA output is (1.2V, 2V, 4V or even 5V) then match that on the amplifiers gain to be the same. The higher the V number is on your head unit, the stronger the signal is that is being sent to the amplifier. For example, If your have a 4V head unit and the gain control on your amplifier is set to 1.2V the you are sending almost 4 times the amount of signal strength to your amplifier. This causes distortion and distortion causes speakers and sub woofers to blow. I hope you understand the concept. IMPORTANT: This is a powerful amplifier, a 4 Gauge or 2 Gauge power cable MUST be used. Less than 4 Gauge, will cause over heating of both the cables and the amplifier. YOU DON'T WANT THAT. If you still have doubts and need more assistance, let me know.
dreamsystems

Alpine PDX-M12... | Answered on Feb 13, 2011


What is the code of bontec alpine a06012 car stereo

Alpine Car Audio... | Answered on Nov 03, 2020


Frankie. I am having the same problem. Did you find an answer or do I need to get a new power pack or control unit?

Alpine Car Audio... | Answered on Aug 15, 2020


I can't find the power wires on my Alpine CDA 7894
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Alpine Car Audio... | Answered on Apr 17, 2020


Is this a custom instal? If yes, Check that the amps are powering up. You may need to check the fuse for the amps or the remote wire fuse. It could have blown hooking up the new battery. If there are no amplifiers check both fuses for the Alpine deck unit.

Alpine Car Audio... | Answered on Jan 07, 2020


Unplug it for about 5 minutes

Alpine Car Audio... | Answered on Nov 26, 2019


Unless other specified in paperwork, all Alpine receivers are 4ohm capable only.
Now yes there are exceptions, but not many.
Now for amp almost all alpine amps can be run in several different resistances.
Basically for sure 4ohm, now depending on model some have abilities to go as low as 1ohm stable. But for most 2 ch alpine non special amps are all 4ohm and most 2ohm capable.
Now better models can do things such as run 2,3,4 ch. And some can even get to .5 ohm loads stable.

Alpine Car Audio... | Answered on Oct 16, 2019


Do you have an external amp? Give me more info on stereo going in, and what it does do.

Alpine Car Audio... | Answered on Oct 16, 2019


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? 4:49
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Alpine Car Audio... | Answered on Sep 16, 2019


I would think a 1000 watts would be enough for 2 10's.
You can hook up two dual voice coil subs a few different ways.
First thing I would check for is what ohmage your amp is rated for.
You don't want to push a lower ohmage than what your amp is rated to handle.
That is a good way to overheat & ultimately fry your amp.
After that, you can wire your subs accordingly.
If they are dual 2 ohm subwoofers, you can wire each of them as a 4 ohm load, 2 ohm load or even a 1 ohm load.
I would personally go by what the amp is ratted for.
Remember though, the lower you run the ohmage, the better base responce & harder the hit you will get.

Alpine Car Audio... | Answered on Jul 10, 2019


manualslib.com is a 100% free online manual for any manual needed and if you want to buy there is that option to or simply just print out the pages if you have that much ink..but just an option...Hope this helps...

Alpine Car Audio... | Answered on Jun 29, 2019

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