A/V receiver-sony or yamaha

Posted by SMR [WizOp] [IP: 212.211.24.33] on November 05, 1998 at 18:28:43:

In Reply to: A/V receiver-sony or yamaha posted by CJ on November 05, 1998 at 14:13:03:

CJ,

Excuse me… 'twas I who posted somewhat incorrect information, my brain was puddled after an evening Bose demonstration. A 3dB increase is what's achieved by doubling the loudspeaker output (doubling the loudspeakers). Of course Brad is correct, a perceived increase is somewhere in the region of 10dB.

The 0.1dB figure still stands, we can perceive differences that small. For example, if we were to conduct a valid ABX test between components they'd have to be equalised in volume to that degree.

I should be able to find some more links regarding our hearing acuity and the way in which sound is measured if you give me a day or two - they're on my other PC.

Stuart.

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