Question about Alpine MRD-M605 - V12 MONO AMP 600WX1 RMS 2 OHM Car Audio Amplifier
Alpine Type R bridged (Bridge wire: (-) to (+). Dual 2 ohm speaker
Posted by Anonymous on
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Posted on Jan 02, 2017
If you are not using a capacitor at this point, i would recommend getting a 1 or 1.5 farad cap and adding it to the system to take some of the strain off of your electrical system.
next on the agenda is your speaker wiring, the mrv-1507 runs around 900 watts at 4 ohms bridged.. your speakers (I believe) have dual voice coils, so 4 connections total, if you are running 2 of the speakers this will be 8 connections total, in order to match the impedance of the amp you will have to wire the speakers in series/parallel. if you have never done this before, it is easy and will ensure you are running the set at 4 ohms (which will make a huge difference in and of itself).
take both speakers out, you are going to want to wire the positive from one coil to the negative of the other on the same speaker. do this to both of them, this should leave you with one positive and one negative unused on each speaker. now you want to hook both of your free negatives together and run it to the negative on your amp, then repeat the process with the positives.
this is going parallel (4 ohm / 2 coils = 2ohm) and series (2ohm x 2 bridged coils = 4ohm).
now your rms on the speakers is 500 watts each, so matching them to a 900 watt or so amp should work great.
when you are installing the wire, make sure the gauge is correct for the length of run and for the wattage, also connect your power directly to the battery or to a distribution block that is capable of handling the power. in all of my installations i run 0 gauge wire from the battery to a distributor block i mount on the firewall, then i run anywhere from 2 to 6 gauge wire to the amp depending on the wattage and run length.
for your purposes, if the length of wire from the battery to the amplifier is 13 feet or less, 4 gauge wire should be fine, if it is between 13 and 20 feet, i would consider buying 2 gauge wire for the install.
you didn't mention what size your fuse is, but i am going to assume it is 90-100 amp, for a 1000 watt amp i use a 150 amp fuse. if you can find a 130 amp fuse it should work fine.
a major thing to remember when installing an amplifier is that your vehicle's charging system was never meant to accommodate large loads for an extended period of time. connecting direct to the battery, using a stiffening capacitor, and properly matching impedance will go a long way towards helping to overcome the limitations. in the future, if you decide to go all out on this project, i would recommend getting a high output alternator, a battery isolator, and a deep cycle battery for the audio equipment. this will insure that you never kill your primary battery, and that you won't run into issues down the road with your vehicle electronics.
i hope this helps you out, if youhave any further questions, feel free to ask.
Posted on Nov 15, 2007
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
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
SOURCE: "cur" error mrd-m1005
u guys the cur stands for current witch means its starving for power so u could add a 2nd battery or upgrade ur alternator the battery doesent haved to be an expensive 1 just put a good strong batt in the trunk wire it in with ur wires u already have back there then run ur + and - straight off that batt and use atleast 4 guage trust what i say been in this game 10 yrs and this is how i feed 7 kids thanks
Posted on Feb 13, 2010
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Have you measured the DC resistance of the woofer to determine if it's OK? You will need to disconnect it from the amp. Check each voice coil individually.
If you disconnect both speaker wires from the amp, does it still show an overcurrent condition?
Oct 20, 2007 | Alpine MRD-M605 Car Audio Amplifier
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