|
Model
|
WF18RF
|
|
MECHANICAL SPECIFICATIONS
|
|
|
Overall diameter
|
mm
|
464
|
|
Bolt circle diameter
|
mm
|
446
|
|
Baffle cutout
diameter
|
mm
|
421
|
|
Depth
|
mm
|
207
|
|
Flange and Gasket
|
mm
|
20
|
|
Net weight
|
kg
|
14.2
|
|
Shipping box (single
carton box)
|
mm
|
464*464*207
|
|
ELECTRICAL
SPECIFICATIONS
|
|
|
Nominal
diameter
|
inch
|
18
|
|
Nominal impedance
|
Ω
|
6
|
|
DC resistance
|
Ω
|
5.2
|
|
Nominal power
handling (AES)
|
W
|
900
|
|
Program
power handling
|
W
|
1800
|
|
Sensitivity
(1W/1m)
|
±
2dB
|
97
|
|
Frequency range
(-10dB max)
|
Hz
|
26-2K
|
|
Voice coil diameter
|
mm
|
99, 4inch
|
|
Voice coil material
|
cu
|
AISV-W
|
|
Former material
|
|
TIL
|
|
Winding depth
|
mm
|
26
|
|
Plate
|
mm
|
14
|
|
Magnet
|
oz
|
148
|
|
Basket
|
|
Aluminium
|
|
THIELE
& SMALL PARAMETERS
|
|
|
Fo
|
|
|
Hz
|
26
|
|
Revc
|
Ω
|
5.2
|
|
Sd
|
M2
|
0.1285
|
|
Vas
|
L
|
482
|
|
Cms
|
uM/N
|
205
|
|
Mms
|
g
|
176
|
|
Bl
|
Tm
|
23.7
|
|
Qms
|
|
13.08
|
|
Qes
|
|
0.27
|
|
Qts
|
|
0.266
|
|
Levc
|
mH
|
0.73
|
|
No
|
|
3.17%
|
