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Audio and Video Talk
General Discussion
The perfect home cinema/audio stereo listening room
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<blockquote data-quote="Atjan" data-source="post: 184138" data-attributes="member: 2323"><p>@ Blues:</p><p>Keep in mind its at 4.6m away from the speaker. Or perhaps you can help me out....and the dude with the site. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink ;)" loading="lazy" data-shortname=";)" /></p><p></p><p>OK, seeing as I'm on a roll, feel free to correct me. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p></p><p>Lets say you consider 91dB as loud. Your speakers will produce that at 1m at 2W input power. You're sitting approximately 3m from them. For each 1m you move away you loose 6dB. So you need an extra 12dB, which requires doubling power 4 times. 2-4-8-16-32W required for 91dB at 3m. If you're a bit deaf or a party animal, you may want louder, say 97dB. Here you quickly run out of power as you then double power another 2 times. 32-64-128W. Your amp will do it, but your speakers will probably feel the pain. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /> They'd have to be producing 109dB at 1m, which will be pretty close to their max spl.</p></blockquote><p></p>
[QUOTE="Atjan, post: 184138, member: 2323"] @ Blues: Keep in mind its at 4.6m away from the speaker. Or perhaps you can help me out....and the dude with the site. ;) OK, seeing as I'm on a roll, feel free to correct me. :) Lets say you consider 91dB as loud. Your speakers will produce that at 1m at 2W input power. You're sitting approximately 3m from them. For each 1m you move away you loose 6dB. So you need an extra 12dB, which requires doubling power 4 times. 2-4-8-16-32W required for 91dB at 3m. If you're a bit deaf or a party animal, you may want louder, say 97dB. Here you quickly run out of power as you then double power another 2 times. 32-64-128W. Your amp will do it, but your speakers will probably feel the pain. :) They'd have to be producing 109dB at 1m, which will be pretty close to their max spl. [/QUOTE]
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Audio and Video Talk
General Discussion
The perfect home cinema/audio stereo listening room
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