Sub enclosure for 10" mid within bass cab.? Bmar? Wayne? [message #40827] |
Thu, 03 April 2003 06:56 ![Go to next message Go to next message](/forum/theme/AudioRoundTable/images/down.png) |
Garland
Messages: 269 Registered: May 2009
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Grand Master |
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Hi guys, I'm putting together Dave Cope's three ways and need to know how small an enclosure the 10" JBL's can live with within the bass cabinet for the 15" TAD drivers. I don't want to use up more of the bass cabinet's volume than neccesary. I was thinking of a box with an internal volume of .42 cu. ft. Is this too small for the JBL 10"? I think maybe Bill M. might have advised on this but I can't find any record in my notes. Thanks! Garland
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Re: Sub enclosure for 10" mid within bass cab.? Bmar? Wayne? [message #40828 is a reply to message #40827] |
Thu, 03 April 2003 07:21 ![Go to previous message Go to previous message](/forum/theme/AudioRoundTable/images/up.png) ![Go to next message Go to next message](/forum/theme/AudioRoundTable/images/down.png) |
bmar
Messages: 346 Registered: May 2009
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Grand Master |
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Hi G, a .4 box would be good. To split hairs, I think I was planning to be around .5 It's my impression that the smallest box you could build around the 10" will be big enough for the band width it will be used in. I think your right on the money with the small box and not use anymore of the 15" driver space than necessary. Bill
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Subenclosure volume [message #40834 is a reply to message #40827] |
Thu, 03 April 2003 09:27 ![Go to previous message Go to previous message](/forum/theme/AudioRoundTable/images/up.png) ![Go to next message Go to next message](/forum/theme/AudioRoundTable/images/down.png) |
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Wayne Parham
Messages: 18756 Registered: January 2001
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Illuminati (33rd Degree) |
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Hi Garland! I put them in a 720 cubic inch sealed subenclosure, which is about 0.4 cubic feet. The volume isn't terribly critical as long as it doesn't shove the f3 point up above your crossover frequency. But you don't want it small enough that the system becomes underdamped, because it will make the midrange peaky and cause it to sound "throaty" down low. Wayne
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