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Raised volume cuts sound and gives me "overload" message

I have hooked 4 speakers to my SA-DX950 technics and when I raise the volume up to a certain limit the sound cuts off.after 5 minutes of play. note that I do not raise it all the way up. I have 2 speakers to the main L/R and the other 2 to the lower front L/R. Could this be the problem?. The receiver is suppose to be 500wts

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  • Anonymous Mar 23, 2014

    the speaker cuts out and the volume lowers after short period of playtime

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  • 336 Answers

A couple of possibilities: Bad solder on power regulators (attached to main heat sink) or cooling fan may not be turning on when volume is raised.

Posted on Jan 16, 2009

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The system will shut off once the volume reaches a certain level. The system will not get really loud.


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Technics SA-DX950


sounds like the speaker protection relay is operating probably from a dc condition appearing on power amplifiers outputs. probable cause is dry solder joints to the output stages. will need some reworking of the PA stage soldering to fix.

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you have a short circuit occurring in speaker outputs. If you are using the high power inputs of the sub, try disconnecting them first. check polarity of speaker connections to sub also.

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