Fostex FW168HR

Woofer

6.5″ / 160 mm
Nominal diameter
45 Hz
Resonance
0.35
Q factor
87 dB
Sensitivity
± 2.65 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
87.3
dB
Frequency response
45 - 10000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
45.0
Hz
Mechanical quality factor
QMS
3.25
Electrical quality factor
QES
0.38
Total quality factor
QTS
0.35

Large signal parameters

Maximum linear excursion
xmax
2.65
mm
Air volume displaced at xmax
VD
29
cm³
Power handling
P
35
W
Program power
Pmax
100
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
7.1
Ω
Inductance (1kHz)
LE
0.07
mH
VC Diameter
35
mm

Magnet

Force factor
Bl
8.98
N/A
Motor constant
Bl/√RE
3.37
N/√W
Weight
1.09
kg
Material
Ferrite

Diaphragm

Effective diameter
120
mm
Effective area
SD
110
cm²
Moving mass
MMS
15.7
g
Moving mass (without air load)
MMD
14.7
g

Suspensions

Stiffness
KMS
1.21
N/mm
Compliance
CMS
830
µm/N
Equivalent volume to the compliance
VAS
15.1
L
Mechanical resistance
RMS
1.37
N·s/m

Dimensions

Nominal diameter
6.5
160
mm
Overall diameter
190
mm
Baffle cutout diameter
151
mm
Overall depth
97
mm
Volume occupied by the driver (estimated)
1.1
L
Net weight
3.64
kg
Fostex FW168HR SPL & Impedance
Fostex FW168HR Dimensions

Export this driver to a simulation software:

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Similar woofers to Fostex FW168HR

Morel TSCW 636 Woofer
6Woofer
fS
43 Hz
SD
119 cm²
QTS
0.36
xmax
5.0 mm
SPL1W
87 dB
Bl/√RE
3.72
Pmax
300 W