Fostex FW405N

Woofer

15″ / 400 mm
Nominal diameter
27 Hz
Resonance
0.45
Q factor
94 dB
Sensitivity
± 7.9 mm
Linear excursion
150 W
Program Power
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply
Sensitivity (1W, 1m, infinite baffle)
SPL1W
94.3
dB
Frequency response
27 - 2500
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
27.0
Hz
Mechanical quality factor
QMS
6.76
Electrical quality factor
QES
0.48
Total quality factor
QTS
0.45

Large signal parameters

Maximum linear excursion
xmax
7.9
mm
Air volume displaced at xmax
VD
703
cm³
Power handling
P
50
W
Program power
Pmax
150
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
6.9
Ω
Inductance (1kHz)
LE
0.64
mH
VC Diameter
80
mm

Magnet

Force factor
Bl
15.7
N/A
Motor constant
Bl/√RE
5.98
N/√W
Weight
2.29
kg
Material
Ferrite

Diaphragm

Effective diameter
337
mm
Effective area
SD
890
cm²
Moving mass
MMS
100.8
g
Moving mass (without air load)
MMD
82.3
g

Suspensions

Stiffness
KMS
2.91
N/mm
Compliance
CMS
344
µm/N
Equivalent volume to the compliance
VAS
393
L
Mechanical resistance
RMS
2.53
N·s/m

Dimensions

Nominal diameter
15
400
mm
Overall diameter
395
mm
Baffle cutout diameter
350
mm
Overall depth
180
mm
Volume occupied by the driver (estimated)
5.0
L
Net weight
10.0
kg
Fostex FW405N SPL & Impedance
Fostex FW405N Dimensions

Export this driver to a simulation software:

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