Model
Alpine SWR-8D4
Rating
DIAM
8"
FS(Hz)
42
VAS(l)
10.2
QTS
0.57
PWR(W)
1000
SPL(dB)
83.5
IMP(Ohm)
4x2
avb
PROD
Some parameters have a deviation from parameters associated with them. Please, look at the exclamation marks to get advice.
Thiele-Small Parameters
Fs(Hz)
42
Vas(l)
10.2
Qts
0.57
Qms
6.8
Qes
0.62
Bl(Tm)
11.3
Mms(gr)
81
Cms(mm/N)
0.178
Rms(kg/s)
3.13
Le(mH)
0
Re(Ohm)
3.7
Sd(sq.mm)
20100
Vd(l)
0.24
X-max(mm)
12
X-mech(mm)
26
General Parameters
Diameter (inch)
8
Max Power(W.)
1000
RMS Power(W.)
350
Number of Coils
2
Impedance Z-Nom(Ohm)
4
Reference efficiency η0(%)
0.12
Sensitivity(dB) 1-W
83.5
Sensitivity(dB) 2.8-V
86
Mounting Information
Speaker Displacement (l)
1.4
Total Diameter (mm)
215
Cutout Diameter (mm)
175
Mounting Depth (mm)
114
Magnet Diameter (mm)
133
Optimum Enclosures
Enclosures
BP4, BP6P, Closed, Vented
