Model
|
WF15BW
|
WF18BW
|
MECHANICAL SPECIFICATIONS
|
|
|
Overall diameter
|
mm
|
394
|
460
|
Bolt circle diameter
|
mm
|
374
|
441
|
Baffle cutout
diameter
|
mm
|
353
|
421
|
Depth
|
mm
|
167
|
206
|
Flange and Gasket
|
mm
|
16
|
17
|
Net weight
|
kg
|
11.4
|
14.2
|
Shipping box (single
carton box)
|
mm
|
394*394*167
|
460*460*206
|
ELECTRICAL
SPECIFICATIONS
|
|
|
Nominal
diameter
|
inch
|
15
|
18
|
Nominal impedance
|
Ω
|
6
|
6
|
DC resistance
|
Ω
|
5.9
|
5.2
|
Nominal power
handling (AES)
|
W
|
700
|
900
|
Program
power handling
|
W
|
1400
|
1800
|
Sensitivity
(1W/1m)
|
±
2dB
|
95
|
96
|
Frequency range
(-10dB max)
|
Hz
|
39-2.5K
|
31-2K
|
Voice coil diameter
|
mm
|
99, 4inch
|
99,4inch
|
Voice coil material
|
cu
|
AISV-W
|
AISV-W
|
Former material
|
|
TIL
|
TIL
|
Winding depth
|
mm
|
23
|
26
|
Plate
|
mm
|
12
|
14
|
Magnet
|
oz
|
125
|
150
|
Basket
|
|
Aluminium
|
Aluminium
|
THIELE
& SMALL PARAMETERS
|
|
|
Fo
|
|
|
Hz
|
39
|
31
|
Revc
|
Ω
|
5.9
|
5.2
|
Sd
|
M2
|
0.09
|
0.1285
|
Vas
|
L
|
139
|
275
|
Cms
|
uM/N
|
121
|
117
|
Mms
|
g
|
140
|
219
|
Bl
|
Tm
|
23.2
|
25.3
|
Qms
|
|
8.13
|
8.73
|
Qes
|
|
0.38
|
0.35
|
Qts
|
|
0.36
|
0.338
|
Levc
|
mH
|
0.668
|
0.803
|
No
|
|
2.06%
|
2.35%
|