Model
Phonocar 2639(2/639)
Rating
DIAM
12"
FS(Hz)
33
VAS(l)
66
QTS
0.57
PWR(W)
600
SPL(dB)
87.3
IMP(Ohm)
4x1
avb
PROD
Thiele-Small Parameters
Fs(Hz)
33
Vas(l)
66
Qts
0.57
Qms
3.78
Qes
0.68
Bl(Tm)
12.4
Mms(gr)
132
Cms(mm/N)
0.176
Rms(kg/s)
7.241
Le(mH)
0
Re(Ohm)
3.8
Sd(sq.mm)
51421
Vd(l)
0
X-max(mm)
0
X-mech(mm)
0
General Parameters
Diameter (inch)
12
Max Power(W.)
600
RMS Power(W.)
300
Number of Coils
1
Impedance Z-Nom(Ohm)
4
Reference efficiency η0(%)
0.34
Sensitivity(dB) 1-W
87.3
Sensitivity(dB) 2.8-V
90.5
Mounting Information
Speaker Displacement (l)
0
Total Diameter (mm)
306
Cutout Diameter (mm)
273
Mounting Depth (mm)
149
Magnet Diameter (mm)
180
Optimum Enclosures
Enclosures
Closed, BP4