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Low Earth Orbit
DIY Audio
Steering advice for those serious about DIY speakers.
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<blockquote data-quote="Art Welter" data-source="post: 24564" data-attributes="member: 52"><p>Re: Steering advice for those serious about DIY speakers.</p><p></p><p></p><p>Unfortunately, impedance variations between drivers will still alter the Acoustic crossover frequency, as a driver with a lower impedance at X (electrical crossover) frequency will typically be louder at X frequency than it's sibling that has a higher impedance at X frequency.</p><p>If a HF driver is louder at X frequency, the acoustical crossover will shift up.</p><p></p><p>The variations with active crossovers are much less than when the same drivers are used with passive crossovers, but are still there if the drivers impedance curves do not match each other.</p><p></p><p>An extra turn of wire when a HF voice coil only has 20 turns can make a difference..</p></blockquote><p></p>
[QUOTE="Art Welter, post: 24564, member: 52"] Re: Steering advice for those serious about DIY speakers. Unfortunately, impedance variations between drivers will still alter the Acoustic crossover frequency, as a driver with a lower impedance at X (electrical crossover) frequency will typically be louder at X frequency than it's sibling that has a higher impedance at X frequency. If a HF driver is louder at X frequency, the acoustical crossover will shift up. The variations with active crossovers are much less than when the same drivers are used with passive crossovers, but are still there if the drivers impedance curves do not match each other. An extra turn of wire when a HF voice coil only has 20 turns can make a difference.. [/QUOTE]
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