Question about Alpine MRV-T707 Car Audio Amplifier

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Alpine V12 MRV-T707

Hey i just got a alpine V12 MRV-T707 and i dont no how to instal the power stuff i no how to instal the speakers i just need to no how to instal the power like the ground gos to a ground sorce but there are to othere places beside the ground 1 says powere and the othere says remote do i conect the main power from my batery to the 1 that says power and the power from my ignishen to the 1 that says remote?? please e-mail me at with the anser thank you

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

Posted on May 28, 2007


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Just want to know what speaker wattage matches my v12 mrv f705 85 rms x4 channel amplifier?

Use speakers that will handle 85 RMS continuous or higher wattage. I have 200 watt Rockford 6.5s on a 75 watt amp. They sound great with plenty of headroom if I go to a bigger amp.

Nov 20, 2012 | Alpine Car Audio & Video

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Alpine Amplifier Cuts in and out on Passenger side while driving

Make sure wirings are not pinched and try replacing the fuse as well.

May 01, 2008 | Alpine MRV-F345 Car Audio Amplifier

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Lost instruction manual mrv-100m v12 car amp

Hello hlanderson,

You can download a copy from Alpine's support vault here.

Hope this helps.

Aug 13, 2009 | Alpine Car Audio & Video

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Amplifier displays "CUR"

Hello anwbrown,

The "CUR" display means that the amp is drawing excessive current and the protection circuit is activating. Too low impedance or shorted speakers will cause the amp to draw excessive current.

The Alpine V12 is a Class D mono amp with only one set of speaker outputs. All versions, M301, M501, and M1001 are only stable to 2ohms. Assuming that all 6 of your connected subwoofers and speakers are 4ohm and they're all connected in parallel, the amp sees a .67 ohm load, far below it's rated impedance.

When brand new, the amp could probably operate at low to moderate volume levels without drawing excessive current. But as electronic components age, their tolerances change and they become less able to withstand excessive current or mismatched impedances.

I'd get a 4-channel amp and drive the 4" speakers off the front channels and the 6X9's off the rear channels. And just power the subs off the V12 making sure that they are connected to show a minimum load of 2ohms.

Hope this helps.

Jul 27, 2009 | Alpine MRV-F345 Car Audio Amplifier

1 Answer

Alpine v12 amp no power

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.

Feb 12, 2009 | Alpine MRV-T707 Car Audio Amplifier

1 Answer

V12 MRV-1507 or Xplod? Amplifier - XM-ZR1252 good quality sound

Alpine is just a better brand in general. I have the older MRV-1507, sounds GREAT, i have had friends who has had the Explode line, but it was always a temporary system until they got something better, like the alpine or kenwood.

Aug 14, 2008 | Car Audio & Video

1 Answer

Alpine MRV-T707 Car Audio Amplifier No Sound

disconnect all power (15min) try again with different speaker to see if sub is dammage.

Aug 22, 2007 | Alpine MRV-T707 Car Audio Amplifier

1 Answer

LED Light green but no sound.

disconnect all power cables first then short between G&P G&R try again with only one speaker at a time.

Aug 21, 2007 | Alpine MRV-T707 Car Audio Amplifier

1 Answer

Alpine Amplifier Cuts in and out on Passenger side while driving

this isnt a complex problem but both units may need service

Mar 12, 2007 | Alpine MRV-F345 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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