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Features
•
Newly developed aluminum die-cast frame
based on the strength analysis by the fine-
element method.
• Stronger magnetic circuit using ø200mm
ferrite magnet is equipped for higher input
durability and larger amplitude driving.
• Oval mounting hole can be adjusted between
ø370 - ø375mm. FW405N has the compat-
ibility with not only FOSTEX old 15" drivers
but some famous woofers' replacements.
• Hybrid cone paper, the porous super damp-
ing fiber + carbon fiber mixed into tree pulp
basis material, is used to realize the light
weight & high stiffness diaphragm.
Specifications
&
Thiele/Small Parameters
Size
:
Voice Coil Diameter
:
Cast / Stamped
:
Impedance
:
Reproduction Frequency Response
:fs -
Sound Pressure Level
:
Rated Input
:
Music Power
:
Magnet Material
:
Magnet Weight
:
2,290
Net Weight
10,000
a :
168.5
Sd :
0.089
Zn :
Fs :
Re :
6.89
Le :
0.64
Qms :
6.76
Qes :
0.478
Qts :
0.45
Mms :
100.8
BL :
15.7
Vas :
392.5
Xmax :
Eff/η0 :
1.57
Cms :
0.344
EBP :
56.5
Frequency Response / Impedance
395
mm /
15
in
80
mm /
3.1
in
Cast
8
Ω
2.5
kHz
92.5
dB/W(m)
50
W
150
W
Ferrite
Dimensions & Mounting Information
g /
5.04
lb
g /
22.0
lb
mm
2
m
8
Ω
27
Hz
Ω
mH
g
Telsa/m
L
7.9
mm
%
mm/N
FW405N
Overall Diameter :
Baffle Hole Diameter
:
Depth
:
FW-series
mm /
in
395
15
mm /
in
350
13
180
mm /
7.0
in
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