“have Pioneer SCLX904 its RMS is rated at 140w per channel,(not sure on total w per ch) confused at matching new speakers with the receivers RMS and total power. these are 85rms and 340w peak. do you stay at or below the receivers rms for speakers ?”
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Hello Preorder: A receiver's RMS rating is supposed to be set against a "standard" and is an indicator of how much "clean" power a receiver can deliver to speakers at a certain resistance (OHM rating, 8 Ohms for example), and with the proper gage wiring and distance, etc..... You typically hit the "peak" power draw on the lower BASS response. So the lower tones generated by your music source and the higher the volume, the more power it takes to drive your speakers. To be clear, the 140W RMS receiver and the 85W RMS speakers need to be compared at the same resistance, so for example if these are both rated at 8 ohms, then what this means is you would be fine to use these speakers at volumes near 70% of what the rated output is for your receiver. So don't turn it up all the way, or you may run the chance of damaging these speakers. You should NOT turn it up all the way in any case because when you do, the receiver begins to deliver more "noise" distortion in the signal and that can potentially damage ANY speaker. Keep it at a decent volume under 70% and you should be able to enjoy these together just fine.
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