Question about Alpine MRD-M605 Car Audio Amplifier

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Have the alpine mrd m605 and the fan will not turn on no matter how hot it gets. when i first hooked up the amp it turned on for like a sec then nothing after

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4 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

SOURCE:

Hi there,
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Posted on Jan 02, 2017

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Anonymous

  • 631 Answers

SOURCE: alpine amp mrd-m605

The amplifier probably has shorted output transistors. If the amp gives the same error message with the speaker wires disconnected from the amp, the amp needs to be repaired.

Posted on Dec 31, 2007

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smarthome2

Frank Fulton

  • 1114 Answers

SOURCE: when I hook my JL W7 sub to my alpine mrd m1005

You need to have the amp bench tested at a car audio shop. Sounds like a dead short in the amp. Try turning the crossover on the sub "off" and connect any other speaker to it. if you have the same outcome, your amp needs serviced. Post a comment with your results and if I can think of anything else you could try beyond that I will. Hope this helps

Posted on Aug 17, 2009

Mark Skinner

  • 79 Answers

SOURCE: I have power at the amp and no sound. Herts just

If you mean you hear low frequencies in the begining and continues to rise in frequencies then it sounds like you may have a shorted power supply. First make sure your ground is ok. Also make sure the signal from your head unit is not the problem with the noise. Does the amp power on? If amp does power on and head unit and all connections to amp are fine then either the power supply or something in the output stage is shorted. Could be a diode, capacitor, resistor, or transistor or an ic chip. Let me know if amp powers on and this problem happens. I repair amps for a living, i'm the cheapest you will find anywhere. If interested send me a private message.

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/mark_b53a7494531bf96d

Posted on Aug 23, 2009

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1 Answer

How do you turn the amplifier on if it says off?


Do you have the remote wire hooked up to the acc. on the ignition?

Sep 16, 2010 | Alpine MRD-M605 Car Audio Amplifier

1 Answer

I wired everthing up and put the hot wirer back on and the amp wont come on fuze r all ok


check your ground, make sure you are going to a good ground, a bad ground is just like having the positive disconnected.

Aug 07, 2010 | Alpine MRD-M605 - V12 MONO AMP 600WX1 RMS...

1 Answer

Is the alpine 3552 any good? I can't find any reviews.


alpine makes amaizing amps... as long as it's matched to the speakers/subs you are going to put on it this amp will last you a very long time... and it will put out amazing power... you won't be disappointed.

Dec 02, 2009 | Alpine MRD-M605 Car Audio Amplifier

1 Answer

My alpine v12 turns on but no sound


no you don't have to hook up both of the power terminals. but should have it hooked up so you get the proper power to the amp. use a disubution block with two 8 gauge wires.

do you know if the radio's rca jack's are good? have you ever had another amp in the car? if it worked before try new rca's from the radio to amp. recheck all connections from amp to speakers and make sure no wires fell off.

Sep 22, 2009 | Alpine MRD-M605 - V12 MONO AMP 600WX1 RMS...

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

CUR display


Hello yte1771,

You can download the manual from Crutchfield.

The "CUR" display is an indication of excessive current and is most likely caused by too low impedance or a fault in the wiring or the amp itself. It's probably not your cap.

Hope this helps.

May 18, 2009 | Alpine MRD-M605 Car Audio Amplifier

1 Answer

CUR on alpine MRD M 605


check your ground and make sure you battery power is connect properly

Apr 14, 2009 | Alpine MRD-M605 - V12 MONO AMP 600WX1 RMS...

1 Answer

Alpine amp mrd-m605


The amplifier probably has shorted output transistors. If the amp gives the same error message with the speaker wires disconnected from the amp, the amp needs to be repaired.

Dec 30, 2007 | Alpine MRD-M605 Car Audio Amplifier

1 Answer

Mrd-m605 troubleshooting\


Yeah, how about you give us more info please.

Oct 26, 2006 | Alpine MRD-M605 Car Audio Amplifier

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