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Multi-Way Conventional loudspeakers with crossovers

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Old 22nd April 2003, 04:59 PM   #1
diyAudio Member
 
Join Date: May 2002
Location: London, Ontario
Default Here's my finished DIY (yet another one...)

Im using 2 jbl 12gg01 subs

here are the specs on the sub...

jbl 12" 12gg01 subwoofer

neoprene surround
2" kapton 4 layer voice coil
40 oz ceramic magnet
price $40 CDN ea.
Power: 150 watts RMS
Re(ohms)5.30
Z(ohms): 8
Fs(hz)24.80
Le(mh) 3.44
Mms(g)97.81
Qm 8.14
Cms(mm/n)418.47
Qe 0.331
Rms(Ns/m)1.88
QT 0.318
Vas(L)164.30
Xmax(mm)4.20
Sd(cm^2)0.053
BL(Tm) 15.18
EBP 75.00
EFF(%) 1.92
SPL(db) 91.00


Each sub in a 3 cu. ft vented enclosure dual ported @ 32 hz..


Currently, i have 120 watts rms power running to each box with the boxes located on the left and right side of my desk with me less than 2 feet away.





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Old 22nd April 2003, 05:01 PM   #2
diyAudio Member
 
Join Date: May 2002
Location: London, Ontario
Default 2nd box

a pic of the second box while i had it on my front porch
running tests
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Old 22nd April 2003, 05:02 PM   #3
diyAudio Member
 
Join Date: May 2002
Location: London, Ontario
Default in my room

one of the subs in my room..
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