Fostex FW168HS

Woofer

6.5″ / 160 mm
Nominal diameter
42 Hz
Resonance
0.34
Q factor
87 dB
Sensitivity
± 4 mm
Linear excursion
100 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
86.6
dB
Frequency response
42 - 10000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
42.0
Hz
Mechanical quality factor
QMS
13.80
Electrical quality factor
QES
0.35
Total quality factor
QTS
0.34

Large signal parameters

Maximum linear excursion
xmax
4.0
mm
Air volume displaced at xmax
VD
53
cm³
Power handling
P
35
W
Program power
Pmax
100
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.9
Ω
Inductance (1kHz)
LE
0.47
mH
VC Diameter
50
mm

Magnet

Force factor
Bl
10.56
N/A
Motor constant
Bl/√RE
4.35
N/√W
Weight
1.09
kg
Material
Ferrite

Diaphragm

Effective diameter
130
mm
Effective area
SD
133
cm²
Moving mass
MMS
25
g
Moving mass (without air load)
MMD
23.8
g

Suspensions

Stiffness
KMS
1.67
N/mm
Compliance
CMS
600
µm/N
Equivalent volume to the compliance
VAS
14.3
L
Mechanical resistance
RMS
0.48
N·s/m

Dimensions

Nominal diameter
6.5
160
mm
Overall diameter
190
mm
Baffle cutout diameter
151
mm
Overall depth
100
mm
Volume occupied by the driver (estimated)
1.2
L
Net weight
3.87
kg
Fostex FW168HS SPL & Impedance
Fostex FW168HS Dimensions

Export this driver to a simulation software:

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SD
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