Question about Onkyo TX-SR502 Receiver
I have a passive panasonic subwoofer that only has a + - connection like a normal speaker. my receiver has only pre-sub output (RCA) . my question is: is it possible to have an RCA Y splitter going out from my audio receiver to the panasonic dvd player's AUX L/R RCA input that is powering up my passive subwoofer?
The easiest solution to use your subwoofer is to buy an amp for it. Any old stereo receiver from a garage sale will probably do just fine.
You can even now turn off your subwoofer / adjust the volume easily now!
Posted on Nov 11, 2007
SOURCE: Onkyo Subwoofer Pre Out Problem
May not necessarily be the out put, discontect the sub from the receiver and see if it still makes a hum, Making sure that you turn auto on, off on the sub woffer.
If it still makes a hum, then you have a earthing problem, you can get a earth filter put on your internal wiring in your home, or you can remove the earth pin on your sub woffer
Posted on Dec 13, 2007
Not sure if this is your fix, but I had what I thought was the same problem. I played with my Onkyo quite a bit ensuring the correct assignments for HDMI, audio and all that stuff. Turns out I neglected to make sure the output devices were properly assigned. Many devices aren't default to output sound over HDMI. I changed the audio out settings on the cable box to HDMI and suddenly the Onkyo worked great. I know, I'm an idiot for not checking that in the first place, but maybe someone out there is having the same trouble as well.
Posted on Apr 05, 2009
I have the same setup. Are you going out of the subwoofer output of the reciever? (it's purple.) then into the LFE jack of the subwoofer (also purple.) That's the only connection you need besides power. If you have those right, try using your cable for something else to make sure the cable is good. Is the indicator of the subwoofer green? Mine comes on with the reciever. Good luck!
Posted on Apr 14, 2009
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