Eighteen Sound 5W430
Woofer
5″ / 125 mm
Nominal diameter
52 Hz
Resonance
0.32
Q factor
89 dB
Sensitivity
± 6 mm
Linear excursion
120 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
88.5
dB
Frequency response
60 - 8000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
52.0
Hz
Mechanical quality factor
QMS
2.77
Electrical quality factor
QES
0.36
Total quality factor
QTS
0.32
Large signal parameters
Maximum linear excursion
xmax
6.0
mm
Air volume displaced at xmax
VD
54
cm³
Power handling
P
80
W
Program power
Pmax
120
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.4
Ω
Inductance (1kHz)
LE
0.49
mH
VC Diameter
25
mm
Winding material
Copper
Magnet
Force factor
Bl
6.3
N/A
Motor constant
Bl/√RE
2.71
N/√W
Material
Ferrite
Diaphragm
Effective diameter
107
mm
Effective area
SD
90
cm²
Moving mass
MMS
8.2
g
Moving mass (without air load)
MMD
7.6
g
Suspensions
Stiffness
KMS
0.88
N/mm
Compliance
CMS
1142
µm/N
Equivalent volume to the compliance
VAS
15
L
Mechanical resistance
RMS
0.97
N·s/m
Dimensions
Nominal diameter
5
″
125
mm
Overall diameter
134
mm
Baffle cutout diameter
124
mm
Overall depth
72
mm
Flange thickness
4
mm
Mounting depth
68
mm
Volume occupied by the driver (estimated)
0.35
L
Net weight
1.2
kg
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SpeakerbenchSimilar woofers to Eighteen Sound 5W430
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5.25″Woofer
fS
52 Hz
SD
93 cm²
55 - 4000 Hz
QTS
0.35
xmax
2.5 mm
SPL1W
88 dB
Bl/√RE
2.55
Pmax
60 W
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5.25″Woofer
fS
52 Hz
SD
92 cm²
50 - 5000 Hz
QTS
0.35
xmax
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SPL1W
88 dB
Bl/√RE
2.73
Pmax
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5″Woofer
fS
53 Hz
SD
80 cm²
53 - 4000 Hz
QTS
0.36
xmax
2.5 mm
SPL1W
88 dB
Bl/√RE
2.54
Pmax
100 W