Model
Obsidian Audio OA-15
Rating
DIAM
15"
FS(Hz)
31
VAS(l)
81
QTS
0.61
PWR(W)
1800
SPL(dB)
86.9
IMP(Ohm)
2x2
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)
31
Vas(l)
81
Qts
0.61
Qms
2.9
Qes
0.76
Bl(Tm)
18.2
Mms(gr)
321
Cms(mm/N)
0.082
Rms(kg/s)
21.56
Le(mH)
4.36
Re(Ohm)
4
Sd(sq.mm)
85600
Vd(l)
1.712
X-max(mm)
20
X-mech(mm)
0
General Parameters
Diameter (inch)
15
Max Power(W.)
1800
RMS Power(W.)
600
Number of Coils
2
Impedance Z-Nom(Ohm)
2
Reference efficiency η0(%)
0.31
Sensitivity(dB) 1-W
86.9
Sensitivity(dB) 2.8-V
89.9
Mounting Information
Speaker Displacement (l)
5.13
Total Diameter (mm)
0
Cutout Diameter (mm)
0
Mounting Depth (mm)
0
Magnet Diameter (mm)
0
Optimum Enclosures
Enclosures
Closed, BP4