Model
Jaycar CW-2145-12 (300MM) CARBON FIBRE WOOFER
Rating
Attention! Parameters of that speaker were not checked: a source of data, manual were not found.
DIAM
12"
FS(Hz)
21.3
VAS(l)
230
QTS
0.35
PWR(W)
400
SPL(dB)
89.7
IMP(Ohm)
8x1
avb
NOPROD
Thiele-Small Parameters
Fs(Hz)
21.3
Vas(l)
230
Qts
0.35
Qms
8.7
Qes
0.364
Bl(Tm)
14.6
Mms(gr)
84
Cms(mm/N)
0.665
Rms(kg/s)
1.29
Le(mH)
0
Re(Ohm)
6.9
Sd(sq.mm)
49400
Vd(l)
0
X-max(mm)
0
X-mech(mm)
0
General Parameters
Diameter (inch)
12
Max Power(W.)
400
RMS Power(W.)
200
Number of Coils
1
Impedance Z-Nom(Ohm)
8
Reference efficiency η0(%)
0.59
Sensitivity(dB) 1-W
89.7
Sensitivity(dB) 2.8-V
90.3
Mounting Information
Speaker Displacement (l)
0
Total Diameter (mm)
307
Cutout Diameter (mm)
275
Mounting Depth (mm)
145
Magnet Diameter (mm)
0
Optimum Enclosures
Enclosures
Closed, Vented, BP4, BP6
