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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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.

 

 

Manual

Posted on Oct 15, 2007

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I'm running 8 gauge wire for battery cable and ground cable....my amp.is a momentum 600 watt...2 channel. ....my 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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I have a Technics SA - DX750 Amp Everytime I turn it on I get an error message F70 and then it requests that I turn the power off. This is all it does now, so sound. How do I solve this issue I have...


Hi!

The F70 error certainly indicates a blown fuse inside.
The real problem is why the fuse is blown: there are only two possible reasons
1. there is a short circuit on the output (lines or speakers)
2. you have a blown output transistor (and that means some work and skills to replace).


To be sure, please change the fuse with a same rated fuse (buy more than one because it can blow again). Disconnect the speakers and turn the amp on. If the fuse blows again, it is sure something wrong with the output transistors. If the fuse remains ok, then please check all the wiring to the speakers.

Hope it helped.

Regards,

Bogdan

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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

Mar 16, 2010 | Car Audio & Video

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No power geting to my subwoofer from my head unit,also no bass gain on my amplifier !!


There are a few things going wrong here possibly. Its hard to tell without being able to physically troubleshoot, but here's my guess: blown/no fuse. If your amp's power wire is of top quality, you should have a fuse about 4 or 5 inches up from the battery terminal. If this fuse is blown, no juice will flow through to the amp. If this fuse keeps blowing you have a problem and need to get it fixed professionally or you could risk setting something on fire.

Otherwise, check the amp itself for blown fuses, loose power, ground, or remote wires. Last but not least, be sure that you have set your subwoofer output in your headunit setting menu to ON! =]

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The unit keeps blowing the fuse in the cars fuse box(10amp), the unit then does not work or display anything, but it still ejects the cd and takes it back in.


you have a short or the wrong amp fuse how can it eject or take it back in if the fuse is blown??? unless there is a secondary fuse somewhere is it wired into the accesory fuse it is possible it is wired into a spot that may have something else hooked in and your deck is overloading the fuse check to see that you have it so it is the only unit wired to a fuse

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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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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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