Tang Band W4-1129E
Mid-range
4″ / 102 mm
Nominal diameter
120 Hz
Resonance
0.44
Q factor
90 dB
Sensitivity
± 1.8 mm
Linear excursion
50 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
90.1
dB
Frequency response
120 - 12000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
120
Hz
Mechanical quality factor
QMS
9.43
Electrical quality factor
QES
0.46
Total quality factor
QTS
0.44
Large signal parameters
Maximum linear excursion
xmax
1.8
mm
Air volume displaced at xmax
VD
10
cm³
Power handling
P
25
W
Program power
Pmax
50
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.5
Ω
Inductance (1kHz)
LE
0.08
mH
VC Diameter
25
mm
Magnet
Force factor
Bl
5.17
N/A
Motor constant
Bl/√RE
2.76
N/√W
Air gap height
HAG
4
mm
Material
Ferrite
Diaphragm
Effective diameter
85
mm
Effective area
SD
57
cm²
Moving mass
MMS
4.6
g
Moving mass (without air load)
MMD
4.3
g
Material
Paper
Suspensions
Stiffness
KMS
2.69
N/mm
Compliance
CMS
372
µm/N
Equivalent volume to the compliance
VAS
1.72
L
Mechanical resistance
RMS
0.37
N·s/m
Surround material
Santoprene
Dimensions
Nominal diameter
4
″
102
mm
Volume occupied by the driver (estimated)
0.44
L
Net weight
1.113
kg
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Export this driver to a simulation software:
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SpeakerbenchSimilar speaker drivers to Tang Band W4-1129E
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4″Full-range
fS
110 Hz
SD
51 cm²
100 - 20000 Hz
QTS
0.47
xmax
2.8 mm
SPL1W
90 dB
Bl/√RE
2.58
Pmax
80 W
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