SOURCE: About technice sa-dx930
The one plug on the back of the receiver is an rca-type plug and is designed to be connected to a powered sub, which would also have an rca-type input. Even if you connected it, this output carries a line level signal and is not powerful enough to drive a speaker. If your sub has 2 connectors (same as a normal speaker) then you have an unpowered or passive subwoofer. You would either need a powered sub, or to use an external amplifier of some sort...then the sub output from your current receiver would go into the external amp...and the amp connected to the passive sub.
Hope this helps.
SOURCE: Speaker Hook Up - Non-Technical (single) Female
bought the same amp second hand and had same problem as there are two seperate amp chips inside one for front speakers and one for the centre and rears it could be the actual amp chip that drives the front speakers has died as there is no built in speaker protection so over driving these speakers will result in the amp chip blowing . it may be something simple but it was not on mine had to buy new amp chip and solder in that sorted the problem for me !
SOURCE: how can i get a owners manual for my technics
Here ya go:
http://service.us.panasonic.com/OPERMANPDF/SADX930.PDF
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SOURCE: Can I hook up an X box to a technics SA-DX930 and
Yap, as long its supported with a high definition 1080P.
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