Model

GRS 4FR-8

Rating
DIAM
4"
FS(Hz)
100
VAS(l)
3.1
QTS
0.82
PWR(W)
30
SPL(dB)
86.9
IMP(Ohm)
8x1
avb
PROD

Thiele-Small Parameters

Fs(Hz)
100
Vas(l)
3.1
Qts
0.82
Qms
5.14
Qes
0.976
Bl(Tm)
0
Mms(gr)
0
Cms(mm/N)
0
Rms(kg/s)
0
Le(mH)
0.71
Re(Ohm)
8.1
Sd(sq.mm)
0
Vd(l)
0
X-max(mm)
1
X-mech(mm)
0

General Parameters

Diameter (inch)
4
Max Power(W.)
30
RMS Power(W.)
15
Number of Coils
1
Impedance Z-Nom(Ohm)
8
Reference efficiency η0(%)
0.31
Sensitivity(dB) 1-W
86.9
Sensitivity(dB) 2.8-V
86.8

Mounting Information

Speaker Displacement (l)
0
Total Diameter (mm)
0
Cutout Diameter (mm)
0
Mounting Depth (mm)
0
Magnet Diameter (mm)
0

Optimum Enclosures

Enclosures
Vented, BP6

Speaker response