Question about Pioneer VSX-454 Receiver

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WATTAGE OUTPUT I am to determine which no# is the correct watts on the reciver, i bought off someone without manual. can u help

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Divid max watts by number of channels.
Or figure it puts out around 120watts

Posted on Oct 18, 2011

Re: WATTAGE OUTPUT - Pioneer VSX-454 Receiver Audio & Video Receivers


Posted on Sep 22, 2008

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At low volume it is fine after you get to about 20 on the volume it starts to crack,pop and distort very bad what is making this happen

Your speakers may say 350 watts but that is the peak wattage at which they blow up and not a wattage they can sound distortion free at. Look for the RMS wattage which is probably around 40 watts. If you look at the specs on your receiver you will see it will put out a maximum of about 50 watts but the distortion on the receiver is above 1 percent at anything over 22 watts. That means they are going to start distorting at around half volume. The other thing you might check for is a impedance mismatch between the speakers and the receiver. Is the receiver set up for an impedence output of 8 ohms but your speakers are 4 ohms impedance.

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I have had this exact Receiver and this is taken right from the specs. in the manual, "120 watts per channel RMS" at 8 ohms - this is in Stereo mode (2 speakers) only". When surround sound is used, "75 watts RMS for Front and Center speakers and 15 watts RMS for rear (surround) speakers. From experience, the Stereo only mode is definitely stronger/louder than when switching to Surround. Most newer receivers are the same wattage regardless of mode.

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Says overload

Your speakers may be underpowered by your receiver. Check the watts and impedance of the speakers, and the wattage of your receiver to make sure they closely match. (impedance is calculated in ohms- indicated by an omega symbol written near the wattage rating)
"Overload" may also mean that the amp went into protect mode, and that means that you're OVER-powering your speakers and it wants to protect them from damage due to impedance mismatch.
But- if the impedance and wattage match between the speaker and the receiver/amp, you should check the polarity of the speaker cables (+/-) BTW- never put 2 speakers in 1 output- that will almost always cause something like this and will sound bad.
I hope this helps.

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