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
Parameter Thiele–Small
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
Parameter Umum
Diameter (inch)
12
Daya Maksimum (W)
720
Daya RMS (W)
360
Jumlah Coil
2
Impedansi Z-Nom (Ohm)
4
Efisiensi referensi η0(%)
0.34
Sensitivitas (dB) 1-W
87.3
Sensitivitas (dB) 2.8-V
91
Informasi Pemasangan
Speaker Displacement (l)
0
Diameter Total (mm)
305
Diameter Cutout (mm)
279
Kedalaman Pemasangan (mm)
153
Diameter Magnet (mm)
0
Enclosure Optimum
Enclosure
BP4, BP6P, Closed, Vented
