Fostex FW405N User Manual

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

FW-series

FW405N

weight & high stiffness diaphragm.

Specifications

&

Thiele/Small Parameters

Size :

Voice Coil Diameter

Cast / Stamped :

Impedance :

Reproduction Frequency Response

Sound Pressure Level

Rated Input :

Music Power :

Magnet Material :

Magnet Weight :

Net Weight

a :

Sd :

Zn :

Fs :

Re :

Le :

Qms :

Qes :

Qts :

Mms :

BL :

Vas :

Xmax :

Eff/η0 :

Cms :

EBP :

395 15

80 3.1

:

Cast

8

2.5

:fs -

92.5

:

50

150

Ferrite

2,290 5.04

10,000 22.0

168.5

0.089

8

27

6.89

0.64

6.76

0.478

0.45

100.8

15.7

392.5

7.9

1.57

0.344

56.5

mm / in

mm / in

Ω

kHz

dB/W(m)

W

W

g / lb

g / lb

mm

2

m

Ω

Hz

Ω

mH

g

Telsa/m

L

mm

%

mm/N

Frequency Response / Impedance

Dimensions & Mounting Information

Overall Diameter :

Baffle Hole Diameter

Depth :

395 15

:

350 13

180 7.0

mm / in

mm / in

mm / in