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Please specify a bit more, does the rattle is physical(Enclosure structure) or electronically hear thru speaker(Power Amp Common Issue)? I have the solution for the amp issue, let me know.
Most likely...shorted speaker wires, defective speakers or too many cabinets wired together can blow a amplifier channel in an instant. Manufacturers use to mount protection fuses on the exterior of equipment but people started replacing 3 amp with 25 amp automobile fuses and destroying internal circuits. You could pop the cover to look for a power supply protection fuse (same value replacement please) BUT be careful as there are sustained voltages after the unit is disconnected from the AC outlet that hold enough power to make this type work dangerous. I recommend sending it to a professional repair shop for a checkout and estimate.
output ic shorted out most likely....thats the big unit mounted to the heatsink...may be obsolete...I have su series integrated amp and cannot find parts for it...good luk
Hello!
SO I am going to give you more of a signal layout from the turntables (or whatever you use to DJ) to the speakers.
Turn tables-> Mixer-> Eq-> Amp-> Sub and other speakers.
The part that I am not understanding is why do you need the QSC amp if you have a powered sub? The powered part of that means that there is a built in amp, which eliminates the need for the QSC amp unless you are sending that sound to main (non sub) speakers.
Hope that helps!
This is a very precise questions as QSC amp are pretty rare and high end electronics equipment. There is no way getting an answer other than getting the amp at a sound shop for repair, wich might go for a visit at QSC anyway. From a sound shop repairman...
if u don't need the data then format using quick format it, other wise first extract ur data guessing which folder is the correct one containing data and then format using quick format.
The amp is in protect mode which means that the output section has a problem. With nothing connected, there are defective parts inside the unit. This type of problem is not likely to have been caused by any shipping damage. I would guess that the output transistors are shorted.
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