Question about Onkyo Integra A - 8170
I want to use it as a pre-amp
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Posted on Jan 02, 2017
Sorry I don't know the answer to your question because I don't know the specification of your amplifier but like a car engine that might have a capability of, say, 200 horsepower, in use and for practical purposes that figure is completely immaterial because most of those horses would never be used by a responsible driver. It requires only about 20 horsepower for an average car to maintain 50mph so it hardly matters what the potential power output is as long as it is capable of doing the work assigned to it.
The average person listening to a hi-fi in an average room requires an average power output of around half a watt. It is immaterial if the amplifier is capable of 50, 150 or 500 watts because for comfortable distortion-free listening most of that potential power will never be used.
With hi-fi the problems start with the speaker systems. It is a mistake to use a high power speaker in a domestic environment regardless of the potential amplifier power output. The amp will only produce the power it is capable of if it is driven hard (the volume turned up) and because doing that is anti-social, wasteful and harmful to health and comfort that should not happen but high power speakers tend not to reproduce sound efficiently at low power and so more power must be provided than would otherwise be needed with good low power speakers.
Fashions have changed and it is now difficult to find good hi-fi speakers for the domestic environment that reproduce sound efficiently at low power levels and speakers with a 10 watt rating, the ideal type for small to moderately-sized accommodation, are almost impossible to find these days but it is still possible to find good drive units rated at between 20 and 50 watts that perform fairly efficiently at social volume levels.
Posted on Nov 02, 2015
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