Model
Alphard DW65K-2
Rating
DIAM
7"
FS(Hz)
47
VAS(l)
24
QTS
0.48
PWR(W)
140
SPL(dB)
88.1
IMP(Ohm)
4x1
avb
UNK
Thiele-Small Parameters
Fs(Hz)
47
Vas(l)
24
Qts
0.48
Qms
2.57
Qes
0.59
Bl(Tm)
4.4
Mms(gr)
12
Cms(mm/N)
0.948
Rms(kg/s)
1.39
Le(mH)
0
Re(Ohm)
3.2
Sd(sq.mm)
13361
Vd(l)
0.048
X-max(mm)
4
X-mech(mm)
0
General Parameters
Diameter (inch)
7
Max Power(W.)
140
RMS Power(W.)
70
Number of Coils
1
Impedance Z-Nom(Ohm)
4
Reference efficiency η0(%)
0
Sensitivity(dB) 1-W
88.1
Sensitivity(dB) 2.8-V
0
Mounting Information
Speaker Displacement (l)
0
Total Diameter (mm)
0
Cutout Diameter (mm)
146
Mounting Depth (mm)
82
Magnet Diameter (mm)
110
Optimum Enclosures
Enclosures
Closed, Vented, BP4, BP6P
