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Audio and Video Talk
General Discussion
maximum vs dynamic power output
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<blockquote data-quote="blizzard" data-source="post: 703334" data-attributes="member: 17567"><p>I speak under correction but this is how I read it.</p><p>That Yamaha's rated output is 100 watt into 8 ohms with an acceptable THD. So I would see that as the real power rating.</p><p>The 160 watt 4 ohm rating is not a constant rating as can be seen by the rising THD. So yes dynamically it will deliver that when the speakers dip to 4 ohms.</p><p>Another good indicator of real power would be if the output rating doubled with 4 ohms. IE 200 WATT with acceptable THD.</p><p>In this case not so I read it that this amp is not comfortable with sustained 4 ohm use. It will do it,but at a much higher THD.</p><p>I wouldn't worry though as it still would not be audible. Amp may run a little warmer with the constant 4 ohm load.</p></blockquote><p></p>
[QUOTE="blizzard, post: 703334, member: 17567"] I speak under correction but this is how I read it. That Yamaha's rated output is 100 watt into 8 ohms with an acceptable THD. So I would see that as the real power rating. The 160 watt 4 ohm rating is not a constant rating as can be seen by the rising THD. So yes dynamically it will deliver that when the speakers dip to 4 ohms. Another good indicator of real power would be if the output rating doubled with 4 ohms. IE 200 WATT with acceptable THD. In this case not so I read it that this amp is not comfortable with sustained 4 ohm use. It will do it,but at a much higher THD. I wouldn't worry though as it still would not be audible. Amp may run a little warmer with the constant 4 ohm load. [/QUOTE]
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Audio and Video Talk
General Discussion
maximum vs dynamic power output
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