Model
GRS 4PF-8
Rating
DIAM
4"
FS(Hz)
98
VAS(l)
3.4
QTS
1.34
PWR(W)
80
SPL(dB)
84.1
IMP(Ohm)
8x1
avb
PROD
Thiele-Small Parameters
Fs(Hz)
98
Vas(l)
3.4
Qts
1.34
Qms
4.55
Qes
1.9
Bl(Tm)
2.8
Mms(gr)
3
Cms(mm/N)
0.836
Rms(kg/s)
0.43
Le(mH)
0.88
Re(Ohm)
7.5
Sd(sq.mm)
5352
Vd(l)
0.013
X-max(mm)
3
X-mech(mm)
127
General Parameters
Diameter (inch)
4
Max Power(W.)
80
RMS Power(W.)
40
Number of Coils
1
Impedance Z-Nom(Ohm)
8
Reference efficiency η0(%)
0.16
Sensitivity(dB) 1-W
84.1
Sensitivity(dB) 2.8-V
84.4
Mounting Information
Speaker Displacement (l)
0
Total Diameter (mm)
105
Cutout Diameter (mm)
95
Mounting Depth (mm)
54
Magnet Diameter (mm)
89
Optimum Enclosures
Enclosures
Closed, BP4
