Total Harmonic Distortion...?
Answers: It somewhat depends on how sensitive you are. Personally I'd look for a receiver near less than 0.1 % THD at the rate output. Since THD rises rapidly much departed the rated output for most receiver all you are really doing is defining what the margins of power are, using THD as the indicator.
The link below (a elemental guide to A/V receiver selection) say:
"If you want a good home theater experience and your budget is flexible ample, we strongly recommend choosing a receiver beside a power specification that reads something close to "80 Watts RMS into 8 ohms per channel,
20 Hz to 20 kHz, adjectives channels driven simultaneously, beside no more than 0.08% THD".
It isn't too difficult to get receiver with that munificent of spec, so while you may be tollerant of something more why take the destiny?
THD is an extremely misleading number. There are some seriously high dollar items out nearby with exceptionally high THD values up into the 5% inventory. Some of these amps sell within the tens of thousands of dollars. You will most likely clip your amp earlier you can even hear THD.
In most cases I usually try to stick to .1% or less. Mostly as a rule for myself.
For most intensive purposes if you stick next to good level components like Sunfire, B&K, Anthem, Denon, Yamaha, Onkyo, Pioneer and steer away from the HTIB systems from walmart it will be a mostly useless number. It is a marketing tool more than anything.
It depends.The ear is more sensitive to atypical order harmonics than even.Solid State Amplifiers emphasise bizarre order harmonics. Tube Amplifiers emphasise even establish harmonics. Therefore solid state amps of 0.1 % or less will be ok. Tube Amps. of up to 1.% are moderately acceptable.This is one common sense why Tube Amplifiers have a sweeter more unfatiguing nouns.
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