Model
Boston Acoustics G108-4
Rating
DIAM
8"
FS(Hz)
46
VAS(l)
11.6
QTS
0.67
PWR(W)
400
SPL(dB)
83.8
IMP(Ohm)
4x1
avb
NOPROD
Some parameters have a deviation from parameters associated with them. Please, look at the exclamation marks to get advice.
Thiele-Small Parameters
Fs(Hz)
46
Vas(l)
11.6
Qts
0.67
Qms
8.9
Qes
0.725
Bl(Tm)
9.3
Mms(gr)
63
Cms(mm/N)
0.191
Rms(kg/s)
2.04
Le(mH)
0
Re(Ohm)
4
Sd(sq.mm)
20694
Vd(l)
0.217
X-max(mm)
11
X-mech(mm)
18
General Parameters
Diameter (inch)
8
Max Power(W.)
400
RMS Power(W.)
200
Number of Coils
1
Impedance Z-Nom(Ohm)
4
Reference efficiency η0(%)
0.15
Sensitivity(dB) 1-W
83.8
Sensitivity(dB) 2.8-V
86.8
Mounting Information
Speaker Displacement (l)
1.5
Total Diameter (mm)
200
Cutout Diameter (mm)
178
Mounting Depth (mm)
107
Magnet Diameter (mm)
120
Optimum Enclosures
Enclosures
Closed, Vented, BP4, BP6