Model
URAL ULTIMATUM 12
Rating
DIAM
12"
FS(Hz)
27.5
VAS(l)
23.7
QTS
0.3
PWR(W)
8000
SPL(dB)
83.8
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)
27.5
Vas(l)
23.7
Qts
0.3
Qms
5.58
Qes
0.317
Bl(Tm)
18.6
Mms(gr)
405
Cms(mm/N)
0.083
Rms(kg/s)
12.526
Le(mH)
0
Re(Ohm)
1.6
Sd(sq.mm)
44870
Vd(l)
1.795
X-max(mm)
40
X-mech(mm)
0
General Parameters
Diameter (inch)
12
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
83.8
Sensitivity(dB) 2.8-V
0
Mounting Information
Speaker Displacement (l)
0
Total Diameter (mm)
0
Cutout Diameter (mm)
281
Mounting Depth (mm)
263
Magnet Diameter (mm)
0
Optimum Enclosures
Enclosures
Vented, BP6P
