5″ / 127 mm
Nominal diameter
45 Hz
Resonance
0.49
Q factor
82 dB
Sensitivity
± 9.25 mm
Linear excursion
80 W
Program Power
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Available on (affiliate link)
Parts Express
$$
Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
81.5
dB
Frequency response
45 - 15000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
45.0
Hz
Mechanical quality factor
QMS
3.56
Electrical quality factor
QES
0.57
Total quality factor
QTS
0.49
Large signal parameters
Maximum linear excursion
xmax
9.25
mm
Air volume displaced at xmax
VD
87
cm³
Power handling
P
40
W
Program power
Pmax
80
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.4
Ω
Inductance (1kHz)
LE
0.34
mH
VC Diameter
32
mm
Magnet
Force factor
Bl
7.17
N/A
Motor constant
Bl/√RE
3.89
N/√W
Air gap height
HAG
5
mm
Material
Ferrite
Diaphragm
Effective diameter
109
mm
Effective area
SD
94
cm²
Moving mass
MMS
28.8
g
Moving mass (without air load)
MMD
28.2
g
Material
Paper
Suspensions
Stiffness
KMS
2.71
N/mm
Compliance
CMS
369
µm/N
Equivalent volume to the compliance
VAS
4.85
L
Mechanical resistance
RMS
2.29
N·s/m
Surround material
Rubber
Dimensions
Nominal diameter
5
″
127
mm
Volume occupied by the driver (estimated)
0.72
L
Net weight
1.77
kg
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Export this driver to a simulation software:
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QSpeakers
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SpeakerbenchSimilar subwoofers to Tang Band W5-1138SMF
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5″Subwoofer
fS
45 Hz
SD
94 cm²
45 - 15000 Hz
QTS
0.50
xmax
9.3 mm
SPL1W
82 dB
Bl/√RE
3.6
Pmax
60 W
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4.5″Woofer
fS
48 Hz
SD
50 cm²
50 - 4000 Hz
QTS
0.38
xmax
3.0 mm
SPL1W
83 dB
Bl/√RE
2.52
Pmax
300 W
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