The manual of my 43tx Elite receivers suggest speakers between 6 to 8 ohm capabilities. I could get a great deal on on some Polk LSi bookshelfs (4 ohms). Would the receiver likely overheat? I only listen to 2 channel audio
It will work fine but cheap amps lose a lot of there power at 4 ohms. It will also cause a lot more heat which could shorten the lifespan of your reciever. Bass might be lean at high volumes it also may all work out just fine.
They suggest 6-16 ohm speakers.I wouldn't do it.Page 25. [http://www.pioneerelectronics.com/pio/pe/vgn/images/portal/cit_11221/50103operating_instructions_VSX-43TX_20021231238549400.pdf]
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