Question about Alpine MRV-T707 Car Audio Amplifier

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Alpine v12 amp no power

I have a alpine v12 amp installed in my renault clio mk2 all wires are wired correctly but i have no power to the amp.
nothing wrong with the amp as i have had it tested what could the problem be??

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  • dan_mcnee Feb 28, 2009

    thanks 4 the idea but sadly i went out and bought a whole new woring kit and hey presto it worked thanks for the help

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  • 6,784 Answers

Its your fuse box. i would bypass the fuse box and wire this amp directly to the battery via monster cable. make sure you attach a 30wieght fuse to the monster cable that is running from the battery to your amp. ground the amp against the trunk. scrape the paint of a section and drill a hole in the trunk. use this for the ground for you amp. this will fix the no power issue.

Posted on Feb 12, 2009

  • Michael Masters
    Michael Masters Feb 12, 2009

    You may want to add a switch to this amp as well.or, you can connect the remote wire to the auxiliary master wire in the dash that's connected to the stereo. i would suggest just adding an independent switch . you will have to mount it yourself under the dash but, its worth it.

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I have a comp s 12 2ohm kicker and a comp vr 12 dual 2ohm kicker how do i wire these to stay at 2ohms to the amp


you can wire them to be at 2ohm load you need two of the same speaker. its is very bad on the amp to run like that and you will not get a good bass sound because one will over power the other sound wise

Mar 23, 2013 | Alpine MRD-M605 - V12 MONO AMP 600WX1 RMS...

1 Answer

I need to know how to hook up an alpine v12 amp 2 ohm i have two tens


Hi there,

This really depends if your 10" subs are 4 ohms each or 2 ohm - for this exercise, I'm presuming they are 4 ohm each.

You already know your amp can deliver 600W RMS (@ 2ohm), so you need to be careful you do not exceed the maximum RMS input power of your subs.

Normally you would wire subs in "parallel", which would reduce the circuit load to 2ohms - however, the 600W RMS power may be too high for your subs to handle.

In this case, it may be safer to wire your subs in "series" - this will increase the circuit load to 8ohms, which will effectively decrease the amps RMS power output.


Cheers,

Sep 05, 2011 | Alpine MRD-M605 - V12 MONO AMP 600WX1 RMS...

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...

1 Answer

How do you get it out of cur mode


Hello whatup_132,

If the M605 fails and displays "CUR", it means that there is excessive current to the amp.

The most common causes for excessive current draw is operating the amp into a lower impedance than it is rated to handle, shorted speaker voice coil(s), and/or shorted or grounded speaker wires.

The amp can operate into a load no lower than 2ohms. First power everything off and disconnect the positive amp power lead temporarily (easist way is to just pull the fuse). At this point you should ONLY have the ground and remote connected. Reconnect positive (insert fuse) and turn on the vehicle ignition and your head unit. If the amp still displays the "CUR" error, the output MOSFET's are probably defective and the amp requires repair or replacement. If it powers up normally, reconnect the speaker wires until you locate the faulty one, and then correct whatever is causing it.

Hope this helps.

Jul 17, 2009 | Alpine MRD-M605 - V12 MONO AMP 600WX1 RMS...

3 Answers

How to convert from 4 ohm to 2 ohm car amplifier


All amplifiers are rated by the manufacturer as to the minimum impedance they can be wired to and still operate effectively (or at all).
All amplifiers are different - and there are some not stable at 2 ohms.

In theory - you are changing the amplifiers LOAD - not the amplifiers ability to withstand a lower impedance.

An amplifier that is wired at a 4 ohm load will have approximately HALF the power of the same one wired at a 2 ohm load.

If you post your amplifier make/model I can tell you the spec's.
If you're wondering what voicecoil wiring configurations will give you a 2 Ohm load... I can help with that as well - Simply post your make/model of the subwoofers.

Thanks for using FixYa - a Very Helpful Rating is appreciated for answering your FREE question.

Jul 14, 2009 | Car Amplifiers

1 Answer

No sound from the amp


Make sure that your amp turn on wire is connected from behind the radio to your amplifier. Usually the turn on wire is a blue wire but it can be any. This blue wire connects from the blue/white wire behind the radio to your small connection turn on connector on the amps power connections. You have 3 ( 12V , Ground, Switch or the smallest connector)

 

Also check the amplifiers fuses, and the main powerline fuse as well. If this doesnt work then write back to me.

Oct 10, 2007 | Alpine MRD-M1005 Car Audio Amplifier

3 Answers

No power to amp


soundsto melike an underrated ground system. make sure that your ground cable is clean and is connected to the frame.

Sep 02, 2007 | Alpine MRV-F545 Car Audio Amplifier

1 Answer

Alpine V12 MRV-T707


power wire from fuse block goes to "the 1 that says power"...remote is used to have your device turn another device on...like a cd changer

May 28, 2007 | Alpine MRV-T707 Car Audio Amplifier

1 Answer

No sound and some smoke


If you got smoke comming out its already has damage my friend.. Was this unit bench tested before you bought it or was it hooked up in another vehicle and you seen it work or did you buy it sight unheard??

Mar 23, 2006 | Alpine MRV-T707 Car Audio Amplifier

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