|
Model
|
WF18HP
|
WF21HP
|
|
MECHANICAL SPECIFICATIONS
|
|
|
|
Overall diameter
|
mm
|
461
|
550
|
|
Bolt circle diameter
|
mm
|
441
|
525
|
|
Baffle cutout
diameter
|
mm
|
423
|
505
|
|
Depth
|
mm
|
223
|
236
|
|
Flange and Gasket
|
mm
|
17
|
19
|
|
Net weight
|
kg
|
12
|
18.2
|
|
Shipping box (single
carton box)
|
mm
|
490*490*250
|
580*580*265
|
|
ELECTRICAL
SPECIFICATIONS
|
|
|
|
Nominal
diameter
|
inch
|
18
|
21
|
|
Nominal impedance
|
Ω
|
8
|
8
|
|
DC resistance
|
Ω
|
5.2
|
5.2
|
|
Nominal power
handling (AES)
|
W
|
1000
|
1500
|
|
Program
power handling
|
W
|
2000
|
3000
|
|
Sensitivity
(1W/1m)
|
±
2dB
|
97
|
97.5
|
|
Frequency range
(-10dB max)
|
Hz
|
30-2K
|
32.5-1.5K
|
|
Voice coil diameter
|
mm
|
99, 4inch
|
125, 5inch
|
|
Voice coil material
|
cu
|
AI-SVW
|
1-APIPS7
|
|
Former material
|
|
TIL
|
GFB-P
|
|
Winding depth
|
mm
|
26
|
30
|
|
Plate
|
mm
|
12
|
14
|
|
Magnet
|
oz
|
148
|
175
|
|
Basket
|
|
Aluminium
|
Aluminium
|
|
THIELE
& SMALL PARAMETERS
|
|
|
|
Fo
|
|
|
Hz
|
30
|
32.5
|
|
Revc
|
Ω
|
5.2
|
5.2
|
|
Sd
|
M2
|
0.1238
|
0.1735
|
|
Vas
|
L
|
280
|
334
|
|
Cms
|
uM/N
|
119
|
78
|
|
Mms
|
g
|
230
|
307
|
|
Bl
|
Tm
|
23.96
|
25.6
|
|
Qms
|
|
8.32
|
7.937
|
|
Qes
|
|
0.398
|
0.496
|
|
Qts
|
|
0.38
|
0.467
|
|
Levc
|
mH
|
0.85
|
1.66
|
|
No
|
|
1.90%
|
2.24%
|
