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SONY Is it really true?
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Old 5th June 2012, 01:07 AM   #11
davidsrsb is offline davidsrsb  Malaysia
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Join Date: Dec 2005
Location: Kuala Lumpur
142W@10% is about the same as 108W@1%
108W into 3R is 40W into 8R, assuming they are assuming stiff power rails (which they do to cheat)
So it is a 40W amplifier.
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Old 5th June 2012, 01:14 AM   #12
cbdb is offline cbdb  Canada
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Join Date: Oct 2008
Location: Vancouver
Originally Posted by Frank Berry View Post
Total power consumption of 160 watts says it all.
Ditto! The usual creative specs for low end home theatre units.
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Old 8th June 2012, 06:19 PM   #13
Coconuts 500 is offline Coconuts 500
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The ratings are more likely made up, rather than calculated using cheating methods. If it were to be measured properly, it would probably only be able to output about 10 watts per channel.
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Old 8th June 2012, 06:23 PM   #14
Tekko is offline Tekko
Join Date: Jan 2005
One reason i would never ever buy a consumer amplifier newer than early 90's.

Its also the main reason why i stick to diy.
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Old 9th June 2012, 05:34 AM   #15
DCPreamp is offline DCPreamp  United States
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Join Date: Jun 2005
Location: Sacramento, CA
I was in Fiji last year and was quite amused by the consumer electronics sold there. Being from the USA, I'm pretty used to audio gear ratings being *somewhat* realistic. But when I saw an all-in-one shelf receiver/amp/mp3/DVD/surround system with a big sticker on the front saying "7,600 Watts," I literally laughed-out-loud. It was about a foot-cubed and weighed maybe 10 pounds. It was a brand I'd never seen before. Much of the gear sold over there was equally atrocious with ridiculous ratings - also mostly brands I've never seen before.

After seeing that, a Sony with a rating 50% over actual, or maybe even accurate when driven to an intolerable distortion level, it doesn't seem that bad.
"Believers cling to the myth despite the evidence, reinterpret the myth to suit the evidence, or lie about the evidence to support the myth." "To err is human; to blame errors on external factors is even more so."
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