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Junior Varsity
Passive Crossovers/ Zobel etc..
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<blockquote data-quote="Scarlett Rose" data-source="post: 218031" data-attributes="member: 16560"><p>Hello New Here. I am a weekend local sound provider. I have a small club system.</p><p>Anyways I am loading 4x small wedge monitors. they are 12" x 1" little guys.</p><p>So I measured my boxes and best I can figure by my "close as I can get bending a tape measure" measurements the box is approx 1 cu ft sealed. So I punched up a bunch of differant speakers into a calculator till I came up with one that suited a 1.15cu ft sealed box and comes out to be 3db down @ 79Hz. I bought cheapo PRV D280Ti-S compression drivers and ABS 11x4" 90x40deg horns. </p><p>Now not knowing the frequency graph of the woofer I just went with the horn drivers recomended crossover point of 1.8K 12Db. I purchased ACT 15 crossovers off ebay. They have a -12Db attenuation for the horns as my horns are 109Db sens. and the woofer is 97Db sens. I realize this is NOT gonna be a Phase aligned perfect crossover setup, but trying to make it best it can be and Ill massage the rest with a graphic EQ.</p><p>This is a link to the crossovers schematic.</p><p></p><p>Can any of your more technical guys tell me if I can add a zodel accross the woofers terminals without messing up the crossover? I allready calculated using an online calculator what resistor and cap I'd need, just not too savy with crossovers.</p><p>[ATTACH=full]209826[/ATTACH]</p></blockquote><p></p>
[QUOTE="Scarlett Rose, post: 218031, member: 16560"] Hello New Here. I am a weekend local sound provider. I have a small club system. Anyways I am loading 4x small wedge monitors. they are 12" x 1" little guys. So I measured my boxes and best I can figure by my "close as I can get bending a tape measure" measurements the box is approx 1 cu ft sealed. So I punched up a bunch of differant speakers into a calculator till I came up with one that suited a 1.15cu ft sealed box and comes out to be 3db down @ 79Hz. I bought cheapo PRV D280Ti-S compression drivers and ABS 11x4" 90x40deg horns. Now not knowing the frequency graph of the woofer I just went with the horn drivers recomended crossover point of 1.8K 12Db. I purchased ACT 15 crossovers off ebay. They have a -12Db attenuation for the horns as my horns are 109Db sens. and the woofer is 97Db sens. I realize this is NOT gonna be a Phase aligned perfect crossover setup, but trying to make it best it can be and Ill massage the rest with a graphic EQ. This is a link to the crossovers schematic. Can any of your more technical guys tell me if I can add a zodel accross the woofers terminals without messing up the crossover? I allready calculated using an online calculator what resistor and cap I'd need, just not too savy with crossovers. [ATTACH type="full"]209826[/ATTACH] [/QUOTE]
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