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

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

Respons speaker