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In Reply to: RE: considering a la scala clone posted by gluca on March 17, 2012 at 10:21:37
I build bass cabs, and the Faital Pro are some of the best I have heard, way over Emmenince even though I a from USA (though I have an Italian girlfriend who is in Napoli...not here damn!!!)
The 15PR400 is an awesome woofer with better mids than almost any other 15" (because of it's light cone...hehe and the only competition is from the B & C group) It has a Lower Fs, lower Qts, and lower Vas than the K-33 of Klipsch La Scala, so better deeper bass in a smaller box or deeper bass in same box
http://forums.klipsch.com/forums/p/33207/286987.aspx#286987
look at Poster 'Marvel' there (down in forum) he has the more or less correct numbers.
have a look here lots of variations
http://www.diyaudio.com/forums/subwoofers/176729-klipsch-horn-woofer-designs.html
It all depends how close you want the clone, and frankly you could do much better than a clone actually...
Have Fun Gluca, and the best of Luck
Caio,
-3db
Follow Ups:
Old K33E specs:
Name: 15162
Type: Standard one-way driver
Company: Eminence Speaker LLC
Comment: K33E
No. of Drivers = 1
Fs = 34.46 Hz
Qms = 7.39
Vas = 301.7 liters
Cms = 0.268 mm/N
Mms = 79.47 g
Rms = 2.328 kg/s
Xmax = 8.2 mm
Xmech = 12.3 mm
P-Dia = 336.6 mm
Sd = 889.6 sq.cm
P-Vd = 0.729 liters
Qes = 0.41
Re = 3.39 ohms
Le = 0.96 mH
Z = 4 ohms
BL = 11.93 Tm
Pe = 150 watts
Qts = 0.388
no = 2.903 %
1-W SPL = 96.78 dB
2.83-V SPL = 100.5 dB
Those driver specs do not EVEN rival older EV drivers {FS 25} for the Khorn
The Mind has No Firewall~ U.S. Army War College.
FS by itself is meaningless.
According the Leach and Keele, it is possible for a driver with a 100hz Fs to go to 10hz in the appropriate horn.
Other parameters are involved.
You are getting off track.
Stephens made THAT driver FOR the Khorn
For
A
sound
Reason.
The Mind has No Firewall~ U.S. Army War College.
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