Question about MTX Thunder 3401 Car Audio Amplifier
I have the following installation :
Pioneer Avic X3BT head unit/GPS
Pioneer CDP 620 cd Changer
MTX Thunder 3401 amplifier
MB Quart 284 subwoofer (open).
Yesterday suddenly, while I was listening to "Plastic beach" from Gorillaz, I increased the volume and ..no more bass coming out of the sub.
I checked : No fuses are blown (2 on the amplifier are ok, one from the battery connection is ok, the amplifier lits but it has no sound coming out.
I tried to change the output connection to the sub (in case a channel would be dead : nothing). I opened the sub : it is perfect.
I unmounted the head unit and checked the sb RCA's output : well connected. All the wires are ok. The RCA cable is hot so it seems the signal arrives to the amp. I also took an ipod and connected it directly to the rca input on the amplifier. nothing.
the amp's power seems to work, it's hot (normal temperature, I tried the prizm effects to see if any signal made the display blink, but no luck there.
I think something like transistors on the amp went down. any ideas ?
Turn down music open sub box and put another speaker at wire and check again if work means sub is ok if not check the signal cable, and put there the speaker to try signal
Posted on Apr 06, 2010
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