Question about Alpine MRD-M301 Car Audio Amplifier

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Alpine MRD M301 just flashes

I have an alpine mrd m301 that worked fine up untill last week i had it up loud and the bass just stopped. it has done this a couple times before and if i turned off the car and turned it back on it would restart. i tried that this time and got nothing and the blue light just flashes i went threw most of the fuses and couldnt find any of them blown.

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  • perico77011 Jan 30, 2009

    same problem just wondering how to reset amp

  • perico77011 Jan 30, 2009

    same problem just wondering how to reset amp?

  • Tygh Duval
    Tygh Duval May 11, 2010

    Is this the amp that has the display on top? Is it flashing a particular message?

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ALPINE ELECTRONICS OF AMERICA, INC. 19145 Gramercy Place, Torrance, California 90501, U.S.A. Phone 1-800-ALPINE-1 (1-800-257-4631)

Posted on Jun 10, 2009

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Disconnect all inputs and outputs then restart it if problem persists you have a internal solder bridge youll need to have it repaired by authorized repair shop or buy a new amp at wholesale from this site:
www.godspeedaudioheaven.com

Posted on Feb 06, 2009

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1 Answer

HOW MUCH


Hello diana_soto55,

The MRD-M301 is a discontinued model but originally sold for around $250-300. A more powerful current model is the MRP-M500 that sells for around $200 and under at discounted online stores.

Hope this helps.

Oct 02, 2009 | Alpine MRD-M301 Car Audio Amplifier

1 Answer

How much


http://www.shopping.com/xPO-Alpine-Alpine-MRD-M301-150W-x-1-Car-Amp-Mono-Subwoofer-Amps

Jul 31, 2009 | Alpine MRD-M301 Car Audio Amplifier

1 Answer

Need help


No, needs repair..Contact ALPINE ELECTRONICS OF AMERICA, INC. 19145 Gramercy Place, Torrance, California 90501, U.S.A. Phone 1-800-ALPINE-1 (1-800-257-4631)

Apr 07, 2009 | Alpine MRD-M301 Car Audio Amplifier

2 Answers

Amp displays the letters curr


have you disconnected all inputs and outputs on amp and retried starting it power only? if so your amp has an internal solder bridge and must be repaired by authorized repair center. Repair it or replace it at wholesale price from www.godspeedaudioheaven.com

Jan 31, 2009 | Alpine MRD-M301 Car Audio Amplifier

2 Answers

Alpine MRD-M301


you could have a bad ground or the power wire could have a short i would start there

Jun 25, 2008 | Alpine MRD-M301 Car Audio Amplifier

1 Answer

Schematics?


This site has the T707 manual available.

http://www.servicemanuals.net/default.aspx


Pacparts has the manual for the 301.

MRD-301

Dec 19, 2007 | Car Amplifiers

2 Answers

Schematic


Try manualsparadise.com or go to the Kenwood web site and look in the support section.

Dec 18, 2007 | Kenwood KAC-848 Car Audio Amplifier

1 Answer

Powers up but no signal


Check your gain pots as well as audio pre outs on amp. sometimes pre outs will get loose and be unable to make a connection.

Jun 19, 2007 | Alpine MRD-M301 Car Audio Amplifier

1 Answer

Correct settings


I am not familiar with your amp, but any amplifier performs best when the output stage effective resistance exactly matches the load resistance. So, read your 15" subs and find out number of ohms, then set the amp to that number. according to your amp's specs: if you have 2 ohm speakers, you can draw 350 watts from your amp. so purchase 2 ohm speakers

May 31, 2007 | Alpine MRD-M301 Car Audio Amplifier

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