Model
Macrom EXTW.12
Rating
DIAM
12"
FS(Hz)
26.1
VAS(l)
46.5
QTS
0.56
PWR(W)
1000
SPL(dB)
83
IMP(Ohm)
4x1
avb
NOPROD
Thiele-Small Parameters
Fs(Hz)
26.1
Vas(l)
46.5
Qts
0.56
Qms
5.49
Qes
0.63
Bl(Tm)
16.9
Mms(gr)
344
Cms(mm/N)
0.108
Rms(kg/s)
10.276
Le(mH)
0
Re(Ohm)
3.2
Sd(sq.mm)
55098
Vd(l)
1.377
X-max(mm)
25
X-mech(mm)
0
General Parameters
Diameter (inch)
12
Max Power(W.)
1000
RMS Power(W.)
500
Number of Coils
1
Impedance Z-Nom(Ohm)
4
Reference efficiency η0(%)
0.13
Sensitivity(dB) 1-W
83
Sensitivity(dB) 2.8-V
87
Mounting Information
Speaker Displacement (l)
4.5
Total Diameter (mm)
322
Cutout Diameter (mm)
276
Mounting Depth (mm)
175
Magnet Diameter (mm)
176
Optimum Enclosures
Enclosures
Closed, BP4