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Message: <blockquote data-quote="audioholic" data-source="post: 869232" data-attributes="member: 549629">Keep in mind guys, sound volume isn't something you can measure like water in a glass where 'twice as much' is an obvious amount. What is twice as loud. Its almost as difficult as asking what is twice as pink. There are many different technical definitions of 'twice as loud'. Most say 3db (doubling of amplifier power or cone area). Some say double the 'acoustical energy'. There was an old rule of thumb (sone rule..?) that said humans perceived 10dbs as 'twice as loud'... but that's very frequency dependant.My point is, 'twice as loud' is debatable amount. 3db's may not seem like a perceived doubling of sound volume, but in one definition it is.</blockquote>

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