Question about Sony XM-DS1300P5 Car Audio Amplifier

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Amplifier On - No Sub Sound

I have a Sony XM-DS1300P5 amp. I disconnected my sub to fit some stuff in my trunk. When I reconnected the sub, I got no sound. I did not change/touch anything between disconnect/reconnect. I tested sub and it's working. Amp LED turns on and does not go into protection (stays green). All fuses are fine. I tried turning sub on/off in pioneer HU but no difference. WIth the car on (amp on), I switched RCA inputs to amp with inputs from my laptop but still no sound from sub (I don't know how good a test this was as there was probably very little lows coming from the laptop). Any suggestions?

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Re: Amplifier On - No Sub Sound

When the subwoofer was disconnected was thre a chance of shorting of terminals?? If so connect a digital multimeter in Volts position and see if you get any voltage with a signal fed to the Subwoofer amp. Most subs have a fuse in line with the speaker for protection. If you are not getting any voltage then the fuse could have blown. Good luck.

Posted on Jan 11, 2007

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Re: Amplifier On - No Sub Sound

Are you certain you put the wires back on the amp the exact way they came off. I am not familiar with this amp but most amps if you look at the terminals where the speakers hook up there will be a plus and a minus. And generally there are four terminals. hence stereo plus and minus left and right. Some even have eight for, four channels. Since the amp is on, not getting hot and you tried two different audio inputs I would suspect speaker wiring or maybe the stuff you put in your trunk bumped a switch on the amplifier. I know this is not the exact answer you are probaly looking for but it is at least a place to start

Posted on Jan 11, 2007

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