Polk Audio DB1240DVC
Polk Audio DB1240DVC
Model

Polk Audio DB1240DVC

Rating
DIAM
12"
FS(Hz)
30
VAS(l)
67.9
QTS
0.5
PWR(W)
720
SPL(dB)
87.3
IMP(Ohm)
4x2
avb
UNK

Thiele-Small Parameters

Fs(Hz)
30
Vas(l)
67.9
Qts
0.5
Qms
10.4
Qes
0.525
Bl(Tm)
13.9
Mms(gr)
159
Cms(mm/N)
0.177
Rms(kg/s)
2.88
Le(mH)
5.1
Re(Ohm)
3.4
Sd(sq.mm)
52000
Vd(l)
0.468
X-max(mm)
9
X-mech(mm)
0

General Parameters

Diameter (inch)
12
Max Power(W.)
720
RMS Power(W.)
360
Number of Coils
2
Impedance Z-Nom(Ohm)
4
Reference efficiency η0(%)
0.34
Sensitivity(dB) 1-W
87.3
Sensitivity(dB) 2.8-V
91

Mounting Information

Speaker Displacement (l)
0
Total Diameter (mm)
305
Cutout Diameter (mm)
279
Mounting Depth (mm)
153
Magnet Diameter (mm)
0

Optimum Enclosures

Enclosures
Closed, Vented, BP4, BP6

Speaker response