Fostex PW80K
Woofer
3.2″ / 80 mm
Nominal diameter
130 Hz
Resonance
1.08
Q factor
84 dB
Sensitivity
± 2.2 mm
Linear excursion
24 W
Program Power
.jpg)
Sensitivity (1w, 1m, infinite baffle)
SPL1W
84.2
dB
Frequency response
130 - 23000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
130
Hz
Mechanical quality factor
QMS
5.48
Electrical quality factor
QES
1.41
Total quality factor
QTS
1.08
Large signal parameters
Maximum linear excursion
xmax
2.2
mm
Air volume displaced at xmax
VD
6.2
cm³
Power handling
P
8
W
Program power
Pmax
24
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
7.4
Ω
Inductance (1kHz)
LE
0.29
mH
VC Diameter
20
mm
Magnet
Force factor
Bl
3.16
N/A
Motor constant
Bl/√RE
1.16
N/√W
Weight
0.092
kg
Material
Ferrite
Diaphragm
Effective diameter
60
mm
Effective area
SD
28
cm²
Moving mass
MMS
2.3
g
Moving mass (without air load)
MMD
2.2
g
Suspensions
Stiffness
KMS
1.48
N/mm
Compliance
CMS
674
µm/N
Equivalent volume to the compliance
VAS
0.882
L
Mechanical resistance
RMS
0.34
N·s/m
Dimensions
Nominal diameter
3.2
″
80
mm
Overall diameter
83
mm
Baffle cutout diameter
79
mm
Overall depth
40
mm
Net weight
0.224
kg
.png)
.png)
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar woofers to Fostex PW80K
.jpg.webp)
3.5″Shallow Woofer
fS
120 Hz
SD
35 cm²
100 - 8000 Hz
QTS
0.91
xmax
3.1 mm
SPL1W
84 dB
Bl/√RE
1.62
Pmax
30 W
.jpg.webp)
3.3″Full-range
fS
130 Hz
SD
30 cm²
80 - 20000 Hz
QTS
1.24
xmax
1.0 mm
SPL1W
85 dB
Bl/√RE
1.03
Pmax
15 W
.png.webp)
2.75″Full-range
fS
123 Hz
SD
28 cm²
160 - 20000 Hz
QTS
0.96
xmax
2.3 mm
SPL1W
83 dB
Bl/√RE
1.33
Pmax
40 W