|
|
|
Double
Spider Low
Frequency
|
|
|
-
impedance : 8 Ohms
|
|
|
-
Power Nominal : 500Watt
|
|
|
-
Max : 1,000Watt
|
|
|
|
|
|
|
|
¡á
Specification
|
|
Nominal
Diameter
|
460mm
(18inch)
|
|
SPL
|
98.0
dB/W/M
|
|
Frequency
Range
|
27.2~3,000
Hz
|
|
Voice
Coil Diameter
|
99.4mm
(3.91inch)
|
|
Voice
Coil Material
|
Edgewound
Copper
|
|
Magnet
Weight
|
3.09Kg
(109.0oz)
|
|
Piston Diameter
|
380mm
(14.96inch)
|
|
Magnet
Gap Depth
|
9.0mm
(0.35inch)
|
|
Coil
Winding Depth
|
20.0mm
(0.79inch)
|
|
¡á
Thiele/ Small Parameter
|
|
D.C.
Resistance
|
6.5
Ohm
|
|
Fs
|
27.2
Hz
|
|
Qts/
Qes/ Qms
|
0.3561/
0.3710/ 8.88
|
|
Vas
|
481.93L
(17.02ft3)
|
|
Sd
|
0.1134m2
(175.77in2)
|
|
Xmax
|
6.0mm(0.24in)
|
|
Half-Space
Reference Efficiency
|
2.51
%
|
|
Efficiency
Bandwidth Product
|
73.32
Hz
|
|
Le
|
0.82
mH
|
|
Cms
|
0.00027
m/N
|
|
BL
|
19.27
TM
|
|
Rms
|
1.86
Kg/s
|
|
Vd
|
680.4
ccm
|
|
¡á
Mounting Information
|
|
Overall
Diameter
|
460mm
(18.11inch)
|
|
Bolt
Circle Diameter
|
440.0mm
(17.32inch)
|
|
Baffle
Cutout Diameter
|
418.0mm
(16.46inch)
|
|
Depth
|
250.0mm
(9.84inch)
|
|
Net
Weight
|
14.6Kg
(32.19lb)
|
|
|
