SEAS PW 165/1 L0018-04S
Woofer
6.5″ / 165 mm
Nominal diameter
64 Hz
Resonance
0.58
Q factor
87 dB
Sensitivity
± 3 mm
Linear excursion
100 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
87.3
dB
Frequency response
50 - 3000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
64.0
Hz
Mechanical quality factor
QMS
5.49
Electrical quality factor
QES
0.65
Total quality factor
QTS
0.58
Large signal parameters
Maximum linear excursion
xmax
3.0
mm
Maximum excursion before damage
xlim
9.5
mm
Air volume displaced at xmax
VD
38
cm³
Power handling
P
250
W
Program power
Pmax
100
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.3
Ω
Inductance (1kHz)
LE
0.78
mH
VC Diameter
39
mm
Winding height
HVC
12
mm
Magnet
Flux density
B
0.88
T
Force factor
Bl
6.0
N/A
Motor constant
Bl/√RE
3.3
N/√W
Air gap height
HAG
6
mm
Weight
0.42
kg
Diaphragm
Effective diameter
127
mm
Effective area
SD
126
cm²
Moving mass
MMS
16.9
g
Moving mass (without air load)
MMD
15.8
g
Suspensions
Stiffness
KMS
2.5
N/mm
Compliance
CMS
400
µm/N
Equivalent volume to the compliance
VAS
8
L
Mechanical resistance
RMS
1.3
N·s/m
Dimensions
Nominal diameter
6.5
″
165
mm
Volume occupied by the driver (estimated)
0.69
L
Net weight
1.7
kg
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fS
59 Hz
SD
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46 - 3000 Hz
QTS
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xmax
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SPL1W
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Bl/√RE
4.3
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fS
61 Hz
SD
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100 - 2500 Hz
QTS
0.51
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fS
62 Hz
SD
96 cm²
60 - 4000 Hz
QTS
0.49
xmax
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SPL1W
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Bl/√RE
2.7
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