Question about Alpine MRD-M605 Car Audio Amplifier
My current set up consists of line signal converter (LC6i) matched up to two alpine V12 amps powering 4 alpine type r speakers, splits at the front coaxials at the rear.
my problem lies with this, when the sub is just about to kick, the 4 channel amp cuts out and only the sub produces sound.
Does anyone know what the problem to this is, or a solution to solve it?
any help would be greatly appreciated.
SOURCE: 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.
Posted on Feb 12, 2009
I'm assuming this atleast a 2 channel amplifier all you need to do is hook the negative side of the speaker wire coming from the sub to the negative channel one. and the positive to another positive on channel 2. Should indicate on your amplifier channel one and two. most amps provide a diagram right on the amplifier over top of the speaker inputs. let me know if this helps.
Posted on Mar 08, 2009
You may have to big of a load. The speakers may be to low in ohms and the amp cant push speakers that low or there is a short in the wire going to the speakers
Posted on Apr 09, 2009
You are going to want to make sure all your power wires and grounds are 4 gauge as well as the wire leads to and from the capacitor-4 gauge also. make sure you have a very good ground - the power wire from the battery should hit a distribution block-from the dist. block a 4 gauge should go to the capacitor another 4 gauge to the mono amp and another to the 4 channel amp -every component should have a good solid ground even if you have to bust out a grinder and a drill and some self tapping sheet metal screws and go nuts on it- see if that helps you
Posted on May 27, 2009
system not configurate properly go to a pro and let them do for you you have good equipment just need to put together rite.for wht you have you can get better sound than that,,good luck
Posted on Jun 26, 2009
SOURCE: Amplifier displays "CUR"
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.
Posted on Jul 29, 2009
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