Model

B2 audio XM18v3 D1

Rating
DIAM
18"
FS(Hz)
26.3
VAS(l)
84.8
QTS
0.41
PWR(W)
12000
SPL(dB)
94.7
IMP(Ohm)
0x2
avb
UNK
Some parameters have a deviation from parameters associated with them. Please, look at the exclamation marks to get advice.

Thiele-Small Parameters

Fs(Hz)
26.3
Vas(l)
84.8
Qts
0.41
Qms
7.74
Qes
0.43
Bl(Tm)
0
Mms(gr)
0
Cms(mm/N)
0
Rms(kg/s)
0
Le(mH)
0
Re(Ohm)
1
Sd(sq.mm)
0
Vd(l)
0
X-max(mm)
80
X-mech(mm)
0

General Parameters

Diameter (inch)
18
Max Power(W.)
12000
RMS Power(W.)
4000
Number of Coils
2
Impedance Z-Nom(Ohm)
0
Reference efficiency η0(%)
0
Sensitivity(dB) 1-W
94.7
Sensitivity(dB) 2.8-V
0

Mounting Information

Speaker Displacement (l)
20.6
Total Diameter (mm)
464
Cutout Diameter (mm)
42
Mounting Depth (mm)
322
Magnet Diameter (mm)
305

Optimum Enclosures

Enclosures
Closed, Vented, BP4, BP6P

Speaker response