Model
URAL ULTIMATUM 15
Rating
DIAM
15"
FS(Hz)
27.4
VAS(l)
64.2
QTS
0.36
PWR(W)
8000
SPL(dB)
87.2
IMP(Ohm)
1x2
avb
PROD
Some parameters have a deviation from parameters associated with them. Please, look at the exclamation marks to get advice.
Thiele-Small Parameters
Fs(Hz)
27.4
Vas(l)
64.2
Qts
0.36
Qms
5.69
Qes
0.384
Bl(Tm)
18.3
Mms(gr)
443
Cms(mm/N)
0.076
Rms(kg/s)
13.401
Le(mH)
0
Re(Ohm)
1.7
Sd(sq.mm)
77176
Vd(l)
3.087
X-max(mm)
40
X-mech(mm)
0
General Parameters
Diameter (inch)
15
Max Power(W.)
8000
RMS Power(W.)
4000
Number of Coils
2
Impedance Z-Nom(Ohm)
1
Reference efficiency η0(%)
0
Sensitivity(dB) 1-W
87.2
Sensitivity(dB) 2.8-V
0
Mounting Information
Speaker Displacement (l)
0
Total Diameter (mm)
0
Cutout Diameter (mm)
358
Mounting Depth (mm)
300
Magnet Diameter (mm)
0
Optimum Enclosures
Enclosures
BP4, BP6P, Closed, Vented
