Question about AudioBahn A1801T Car Audio Amplifier

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Blown fuses the fuses blow everytime i hook up the remote wire is it the wrong fuse or is there something wrong with the amp? i use 25, and 30 is it the right size fuse?

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Re: blown fuses

If the fuses only blow after the remote voltage is applied, the output transistors are likely shorted.


According to the owner's manual, the amp should have two 20 amp fuses.




Posted on Oct 15, 2007

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I'm running 8 gauge wire for battery cable and ground a momentum 600 watt...2 channel. fuse is blowing every time I hook up either cable...

First of all, what size fuse? Check the amp and see what max amperage is, and insure your fuse is that size. Secondly, I suspect either a blown speaker or blown outputs. Disconnect the speakers from the amp and see if the fuse still blows. If it does, either you are hooking two wires up improperly, or your outputs are toast.

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Soon as i try to connect the power and ground starts sparking and my fuse blows by the battery. I changed the ground cause i thought that could be it plus i tryed installing it in another car that had an...

your inline fuse wouldn't blow if there was just something wrong with the amp. the amp fuse would blow if that was the case. something is faulty with your wiring. you probably have the wires touching somewhere or are in the wrong terminals at the amp or on the wrong battery terminal. or your power wire is grounding out somewhere. its not the amp. its your wiring

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Amp blows fuses

Are you using the correct fuse? if so,
more then likely, you don't have a good ground. Try grounding to something else that has more direct connection to your frame. If that doesnt work, try getting larger power cables.
I had the same problem with my 2500w xplodes all I had to do was get a thicker cable for the ground and battery connection. What was happening, was it was needing more power then the wire and fuse could handle, so it would blow the fuse, since the higher you have it, the more power it needs to feed the watts.
I would try grounding it directly to the frame on a good part of the frame before spending another $70 on new power cables though.

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Blowing of fuses

The reason your blowing fuses is the amp needs at the least a 150 amp fuse on the wire that runs to your bat. There are fuse blocks that you can put 4 40amp fuse and theres the high dollor ones that you can put all the way to 200amp. When you trun up your amp its drawing to much current for the little 40 amp fuse that you have and will blow it everytime. I recomend Running a 4 gage wire to bat and ground with same. Get you a 150 or above amp fuse from a car audio shop somewhere. anyway sounds like from what you decribed, theres nothing wrong with your amp just the wires and fuse are not big enouf to handle the current that your amp pulls.

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Keep Blowing Fuses

Sounds like the amp is shorting somehow. You are obviously shorting out somewhere between the battery and the amp. Are you sure you grounding location is a good one? is the fuse blowing only when you turn the stereo on? Something is not hooked up correctly.

If the fuse at the battery is blowing then it's a short.

If the fuse on the amp is blowing then its probably a bad amp.

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If the amp blows a fuse with no remote voltage applied, the amp has a short in the primary side of the power supply. If the fuse only blows after remote voltage is applied, the amp probably has shorted output transistors.

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Ppi pc2600

If the fuse only blows after the remote voltage is applied, the output transistors are likely shorted. To eliminate the speakers as a possible fault, disconnect the speaker wires from the amp. Also disconnect the signal cables.


If the fuse blows without remote voltage applied, either the power supply transistors are blown or the B+ and ground are reversed (or they may have previously been reversed).



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1 Answer

Blown fuses

I used to have one of those amps also (nice amp btw) Did you try another fuse of the same size?
Is it blowing fuses everytime you put one in or did it just blow that one fuse ?
Is the conection on the battery solid and clean of corrosion build up? Because that is a good amp and if wired properly shouldnt blow out or anything and so if the speaker is not blown then maybe connection is weak somewhere? I would try disconnecting the speakers from it and try a new fuse and if it does not blow the new fuse than amp is ok? and if it does blow the new fuse right away then there must be a short somewhere in the wire or the amp. then disconnect the fuse again and reconnect the speakers and if the fuse blows with the speakers connected but doesnt blow with them disconnected then you know it is a blown speaker causing the problem.

Just currious but what size fuse do you have connected at the battery?

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