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DIY & Tutorials
DIY For Audio
Light hearted 4" powered speakers
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<blockquote data-quote="johnc" data-source="post: 86081" data-attributes="member: 2084"><p>After running the drivers in a bit, Fs has dropped by about 10hz on both. I noticed the one with the higher Fs has a substantially thicker rubber surround.</p><p></p><p>The finished box will have an internal volume of about 7.5l for the high Fs driver.</p><p>According to WinISD, both speakers will behave almost identically if the lower Fs driver has a 2l enclosure.</p><p>The only real difference is that the speaker with the smaller enclosure would require about 60% more power than the other one.</p><p></p><p>The bottom line is that there should be adequate space for the transformer and amplifiers in a separate open section of the one box.</p><p>I'll keep my options open with regard to final volume of the smaller enclosure so that I can get it right.</p><p>I'll strive to make the external dimensions of both speakers the same.</p></blockquote><p></p>
[QUOTE="johnc, post: 86081, member: 2084"] After running the drivers in a bit, Fs has dropped by about 10hz on both. I noticed the one with the higher Fs has a substantially thicker rubber surround. The finished box will have an internal volume of about 7.5l for the high Fs driver. According to WinISD, both speakers will behave almost identically if the lower Fs driver has a 2l enclosure. The only real difference is that the speaker with the smaller enclosure would require about 60% more power than the other one. The bottom line is that there should be adequate space for the transformer and amplifiers in a separate open section of the one box. I'll keep my options open with regard to final volume of the smaller enclosure so that I can get it right. I'll strive to make the external dimensions of both speakers the same. [/QUOTE]
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DIY & Tutorials
DIY For Audio
Light hearted 4" powered speakers
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