Model
Polk Audio DB1240
Rating
DIAM
12"
FS(Hz)
30
VAS(l)
71.85
QTS
0.44
PWR(W)
720
SPL(dB)
88.1
IMP(Ohm)
4x1
avb
PROD
Parameter Thiele–Small
Fs(Hz)
30
Vas(l)
71.8
Qts
0.44
Qms
10.4
Qes
0.459
Bl(Tm)
14.7
Mms(gr)
151
Cms(mm/N)
0.187
Rms(kg/s)
2.73
Le(mH)
3
Re(Ohm)
3.5
Sd(sq.mm)
52000
Vd(l)
0.39
X-max(mm)
8
X-mech(mm)
0
Parameter Umum
Diameter (inch)
12
Daya Maksimum (W)
720
Daya RMS (W)
360
Jumlah Coil
1
Impedansi Z-Nom (Ohm)
4
Efisiensi referensi η0(%)
0.41
Sensitivitas (dB) 1-W
88.1
Sensitivitas (dB) 2.8-V
91.7
Informasi Pemasangan
Speaker Displacement (l)
0
Diameter Total (mm)
305
Diameter Cutout (mm)
280
Kedalaman Pemasangan (mm)
153
Diameter Magnet (mm)
0
Enclosure Optimum
Enclosure
BP4, BP6P, Closed, Vented
