A/V receiver-sony or yamaha

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Posted by Tony DiFlor [IP: 207.239.202.14] on November 11, 1998 at 19:18:33:

In Reply to: A/V receiver-sony or yamaha posted by CJ on November 05, 1998 at 10:09:26:

I JUST BOUGHT THE SONY 50ES, WITH THE COOL REMOTE, BEST I HAVE SEEN ALSO FITS ANY SYSTEM YOU COULD POSSIBLE COME UP WITH. I STAYED WITH SONY BECAUSE I HAVE THE LASER DISK,VCR AND WHEN RELEASED THE BIG BAD DTS DVD..
: : Looking to purchase my AV receiver. I have 5 NHT superones and a panasonic DVD. I want a receiver that has DD and DTS... Would like to stay around $1000. I have looked at the Sony 30ES and 50ES. They seem good. Is it worth the extra cash for the 50ES for 20 watts more? I have a 14x18 room with a 55inch Mitsu TV, Do I need the more watts and will I notice it? The Yamaha 795 looks interesting but they are not out yet to test drive. Any idea when they come out?

: As far as the 20 watts more, it probably won't make a noticable difference. You need to double the wattage each time to make a noticable difference in volume. Use this formula-> dB=10*logA/B where A=higher wattage of receivers to be compared, and B=lower wattage of the two. Example:If A=100 and B=80, then dB would=.97 The human ear needs an increase of 3dB to obtain a noticable difference in volume, .97dB falls far short of that. To hear a noticable difference in volume from a 80 watt output, you would have to step up to a 160 watt output.
: Many amplifiers sound different from one another regardless of wattage. Some amps are just cleaner or warmer sounding than others depending on their design and arcitecture. 2 amps with the same power rating may sound entirely different to you, so base your decision on what "sounds best to you." I am not familiar with the the Sony line, but I imagine they are of the same amplifier design. One with simply more power than the other, so I don't think there would be any difference in volume or sound(unless the 30ES is only 10 watts).

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