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DIY For Audio
New high efficiency speaker build
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<blockquote data-quote="JimGore" data-source="post: 84447" data-attributes="member: 3"><p>Hi Valvaglo,</p><p></p><p>High efficiency means exactly what you think it does. They play louder (and some would say better) per Watt of power.</p><p></p><p>Imagine the following scenario: Every +3dB of output = double the perceived loudness.</p><p></p><p>Standard speakers are in the region of 85 to 89 dB per Watt @ 1 meter, meaning if you apply 1 Watt of power, and listen at 1m distance, they will play at a level of 89dB.</p><p></p><p>For every +3dB in loudness you need double the amplifier power. Now, if you have a 8 Watt amplifier, and your speakers are 89dB, then your maximum SPL output would be:</p><p>89dB + 3dB (2 Watt) + 3dB (4 Watt) + 3dB (8 Watt) = 97dB.</p><p></p><p>I am attempting to get around 97 to 98dB per Watt per meter out of these, which means you will get around 106dB for the same 8 Watts applied.</p><p></p><p>Hope that helps?</p><p></p><p>Regards,</p><p>Ian.</p></blockquote><p></p>
[QUOTE="JimGore, post: 84447, member: 3"] Hi Valvaglo, High efficiency means exactly what you think it does. They play louder (and some would say better) per Watt of power. Imagine the following scenario: Every +3dB of output = double the perceived loudness. Standard speakers are in the region of 85 to 89 dB per Watt @ 1 meter, meaning if you apply 1 Watt of power, and listen at 1m distance, they will play at a level of 89dB. For every +3dB in loudness you need double the amplifier power. Now, if you have a 8 Watt amplifier, and your speakers are 89dB, then your maximum SPL output would be: 89dB + 3dB (2 Watt) + 3dB (4 Watt) + 3dB (8 Watt) = 97dB. I am attempting to get around 97 to 98dB per Watt per meter out of these, which means you will get around 106dB for the same 8 Watts applied. Hope that helps? Regards, Ian. [/QUOTE]
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DIY & Tutorials
DIY For Audio
New high efficiency speaker build
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