Model
Polk Audio MM1240
Rating
DIAM
12"
FS(Hz)
35
VAS(l)
38
QTS
0.53
PWR(W)
850
SPL(dB)
92
IMP(Ohm)
4x1
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)
35
Vas(l)
38
Qts
0.53
Qms
5.5
Qes
0.63
Bl(Tm)
0
Mms(gr)
0
Cms(mm/N)
0
Rms(kg/s)
0
Le(mH)
3
Re(Ohm)
3.3
Sd(sq.mm)
52000
Vd(l)
1.3
X-max(mm)
25
X-mech(mm)
0
General Parameters
Diameter (inch)
12
Max Power(W.)
850
RMS Power(W.)
425
Number of Coils
1
Impedance Z-Nom(Ohm)
4
Reference efficiency η0(%)
0.25
Sensitivity(dB) 1-W
92
Sensitivity(dB) 2.8-V
89.8
Mounting Information
Speaker Displacement (l)
0
Total Diameter (mm)
0
Cutout Diameter (mm)
0
Mounting Depth (mm)
0
Magnet Diameter (mm)
0
Optimum Enclosures
Enclosures
Closed, Vented, BP4, BP6P
