Fostex Portable Speaker FW405N User Manual

FW-series  
FW405N  
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  
Frequency Response / Impedance  
&
Thiele/Small Parameters  
395  
15  
in  
Size  
:
mm /  
Voice Coil Diameter  
:
80 mm / 3.1 in  
Cast  
Cast / Stamped  
Impedance  
:
:
8
Reproduction Frequency Response  
2.5  
:fs -  
Sound Pressure Level  
kHz  
:
:
:
:
:
92.5 dB/W(m)  
50  
Rated Input  
W
Music Power  
Magnet Material  
Magnet Weight  
Net Weight  
150W  
Ferrite  
2,290  
5.04  
g /  
lb  
Dimensions & Mounting Information  
10,000 g / 22.0 lb  
a :  
168.5 mm  
0.089 m2  
8  
Sd :  
Zn :  
Fs :  
27 Hz  
Re :  
6.89 Ω  
0.64 mH  
6.76  
Le :  
Qms :  
Qes :  
Qts :  
0.478  
0.45  
Mms :  
BL :  
100.8 g  
15.7 Telsa/m  
392.5 L  
7.9 mm  
1.57 %  
0.344 mm/N  
56.5  
Vas :  
Overall Diameter  
:
mm /  
in  
395  
15  
Xmax :  
Eff/η0 :  
Cms :  
EBP :  
Baffle Hole Diameter  
:
mm /  
mm /  
in  
in  
350  
180  
13  
Depth  
:
7.0  
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