folded bass horn 4 pcs for 15 in drivers - diyAudio
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Old 5th March 2014, 09:44 PM   #1
diyAudio Member
Join Date: Apr 2005
Location: NYC
Default folded bass horn 4 pcs for 15 in drivers

had these custom built with 1 inch void free Baltic birch ply (21 ply) the design was based on the William cowen horn sub jr,these were biscuit joined with poly glue and 20 lbs of 3 inch screws,very solid cabs,the back chamber was extended for more volume to fit jbls that i use and was modeled with horn response
i have 4 of them i use 2 per side for super 28hz to 400 hz easy bass at 106db 1 watt, with a variety of 15 inch drivers,i have them stacked in the corner now as a sub and its unfinished so will sell chem cheap with out the driver for $250 each or $350 with jbl 2035h(they like juice), it cost me over $2000 to build,
they are over 100lbs per box unloaded , so pick up is a must and i can drop them of with 100 miles of new paltz, new york for some gas money,
William Cowan's Homepage
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Old 7th March 2014, 07:06 PM   #2
diyAudio Member
Join Date: Jul 2008
im intrested ...but the pic's don't blow up so really can't see the cabs. do you have a link to the cut plans so I can see what type of horn this is...looks like a scope design but cant really tell.
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Old 10th March 2014, 09:30 PM   #3
diyAudio Member
Join Date: Apr 2005
Location: NYC
sorry for late reply was sick in bed with awful flu
jbl 2035h th/spec
fs 48
Qts 0.34
Qms 5
Qes 0.36
Vas 140.5 (L)
Eff 4.13
Pe 400
Xmax 7.11
Re 3.9
Le 0.25
Sd 0.088 (m^2)
BL 16.6
Mms 85 (gm)
Flux 1

cab design is attached, the cab is a bit larger as the back chamber volume is increased to 60L so it works and fits with the 15 inch
i will post a closeup pic later tonight ,in the pic the right hand corner are the horns stacked to scare children
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Old 11th March 2014, 09:46 PM   #4
diyAudio Member
Join Date: Apr 2005
Location: NYC
Default close up pics

hope this is better
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File Type: jpg fold2.JPG (96.0 KB, 42 views)
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