Tang Band W4-2089
Woofer
4″ / 102 mm
Nominal diameter
35 Hz
Resonance
0.42
Q factor
78 dB
Sensitivity
± 8 mm
Linear excursion
80 W
Program Power
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Available on (affiliate link)
Parts Express
$$$
Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
78.1
dB
Frequency response
35 - 800
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
35.0
Hz
Mechanical quality factor
QMS
4.73
Electrical quality factor
QES
0.46
Total quality factor
QTS
0.42
Large signal parameters
Maximum linear excursion
xmax
8.0
mm
Air volume displaced at xmax
VD
60
cm³
Power handling
P
40
W
Program power
Pmax
80
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.6
Ω
Inductance (1kHz)
LE
0.2
mH
VC Diameter
39
mm
Magnet
Force factor
Bl
8.69
N/A
Motor constant
Bl/√RE
4.58
N/√W
Air gap height
HAG
6
mm
Material
Ferrite
Diaphragm
Effective diameter
98
mm
Effective area
SD
75
cm²
Moving mass
MMS
39.9
g
Moving mass (without air load)
MMD
39.5
g
Material
Polypropylene-Mica
Suspensions
Stiffness
KMS
2.36
N/mm
Compliance
CMS
424
µm/N
Equivalent volume to the compliance
VAS
3.39
L
Mechanical resistance
RMS
1.86
N·s/m
Surround material
Santoprene
Dimensions
Nominal diameter
4
″
102
mm
Volume occupied by the driver (estimated)
1.0
L
Net weight
2.42
kg
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Export this driver to a simulation software:
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SpeakerbenchSimilar woofers to Tang Band W4-2089
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fS
35 Hz
SD
75 cm²
35 - 800 Hz
QTS
0.40
xmax
8.0 mm
SPL1W
79 dB
Bl/√RE
4.39
Pmax
80 W
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3″Subwoofer
fS
45 Hz
SD
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45 - 1000 Hz
QTS
0.48
xmax
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SPL1W
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Bl/√RE
2.98
Pmax
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3″Subwoofer
fS
45 Hz
SD
44 cm²
45 - 1000 Hz
QTS
0.46
xmax
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SPL1W
77 dB
Bl/√RE
3.25
Pmax
50 W