Question about Sony STR-DE635 Receiver

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Bought some replacement speakers and the reciever seems to get ver hot!

I've had this receiver for about 7 years, still works fine. However it was purchase as a component system and a few of the speakers crapped out. So I purchased a set of sony 5 1/4 side speakers and a sony 70w rms 100w amped sub as replacements. All seems to be working well and sounds great but the receiver gets a little hotter then it use too, not hot enough to burn your hand but close. Is this something I should worry about?

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  • wonderous48 Oct 10, 2008

    Well the speakers are 8ohm, and the receiver is set for 8 but has a switch so you can go either 4 or 8ohm. As far as the sub wire, I used the same wiring as I had used for the original sub. I did notice the wire that came with the sub being a bit thinner but it was not long enough to reach the intended location of the sub. I believe I am using the audio out. The receiver has two sub connections and the old sub use to plug into both but the new one only uses the one which I have connected to the audio out. Could it be that maybe the speakers are just pulling a little too much power?

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Hello! Yes, you need to worry when a Sony gets hot!! You probably have replaced factory 8 ohm speakers with 4 ohm speakers. Look on the back of your new speakers and see what they are. Then look at the rear of your receiver by the speaker terminals and there will be a sentence like "8 Ohm minimum per channel". If your Sony says " 8 ohms " you need to use 8 ohm speakers.
Also, are you a using low level signal ( audio out ) to drive your sub or are you using high level ( speaker line )??? I'd use low level. Good luck!!

barneyluc

Posted on Oct 10, 2008

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