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DIY For Audio
Help needed: Active XO - Subwoofer
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<blockquote data-quote="JimGore" data-source="post: 50023" data-attributes="member: 3"><p>Hi,</p><p></p><p>I need some help please. My dad has some really old AV amp with a subwoofer pre-out. Unfortunately there is no crossover on it - it lets the full signal through. I suppose they were thinking the XO would be on the subwoofer itself.</p><p></p><p>I need a 150Hz LR4 lowpass crossover to put between the receiver and the power amp driving the sub (Behringer A500). The way I see it, there are 2 options:</p><p>1. DIY</p><p>2. Buy one of those R400 active crossovers they use in cars. Not sure it these are LR4 tho.</p><p></p><p>To be honest, I would prefer the DIY option, but don't know how to figure out the circuit & componets. Can anyone assist me with a circuit diagram or point me in the right direction please?</p><p></p><p>Thanks,</p><p>Ian.</p></blockquote><p></p>
[QUOTE="JimGore, post: 50023, member: 3"] Hi, I need some help please. My dad has some really old AV amp with a subwoofer pre-out. Unfortunately there is no crossover on it - it lets the full signal through. I suppose they were thinking the XO would be on the subwoofer itself. I need a 150Hz LR4 lowpass crossover to put between the receiver and the power amp driving the sub (Behringer A500). The way I see it, there are 2 options: 1. DIY 2. Buy one of those R400 active crossovers they use in cars. Not sure it these are LR4 tho. To be honest, I would prefer the DIY option, but don't know how to figure out the circuit & componets. Can anyone assist me with a circuit diagram or point me in the right direction please? Thanks, Ian. [/QUOTE]
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DIY & Tutorials
DIY For Audio
Help needed: Active XO - Subwoofer
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