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Low Earth Orbit
DIY Audio
Prototyping three ways
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<blockquote data-quote="Mark DeArman" data-source="post: 4297" data-attributes="member: 950"><p>2 Kevlar foam core neo motor midrange I made.</p><p>1 dual VC epoxy filled 15in speaker with Fe motor. About the same as new B&C 15in output minus the below 40Hz.</p><p>CDX3050 on custom horn.</p><p></p><p>Should be good crossed from 40-80 up with a subbass system to make full range but the sensitivity is at least 100db right now (maybe more). The Kevlar 8's are 5g cone weight. I made 10in which passed breaking in of 4hrs which was 8g. Sphericals show they both work to around 1300+Hz which is good.</p><p></p><p>Makes a pretty good 3-way minus the sub-bass. I should note the boxes are just random. The mid-high box is ported for 60 Hz with some High-BL 8in speakers but the mids aren't operating in that range.</p><p></p><p>PS. Images show 10in in a moded box to be sealed. A 70 thou gap 1.1T magnet and a 67 thou gap fenalic 1.6T magnet which delivers ~34Txm to the speaker.</p></blockquote><p></p>
[QUOTE="Mark DeArman, post: 4297, member: 950"] 2 Kevlar foam core neo motor midrange I made. 1 dual VC epoxy filled 15in speaker with Fe motor. About the same as new B&C 15in output minus the below 40Hz. CDX3050 on custom horn. Should be good crossed from 40-80 up with a subbass system to make full range but the sensitivity is at least 100db right now (maybe more). The Kevlar 8's are 5g cone weight. I made 10in which passed breaking in of 4hrs which was 8g. Sphericals show they both work to around 1300+Hz which is good. Makes a pretty good 3-way minus the sub-bass. I should note the boxes are just random. The mid-high box is ported for 60 Hz with some High-BL 8in speakers but the mids aren't operating in that range. PS. Images show 10in in a moded box to be sealed. A 70 thou gap 1.1T magnet and a 67 thou gap fenalic 1.6T magnet which delivers ~34Txm to the speaker. [/QUOTE]
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