SEAS H1217-08 CA18RLY
Woofer
8″ / 180 mm
Nominal diameter
42 Hz
Resonance
0.47
Q factor
89 dB
Sensitivity
± 5 mm
Linear excursion
250 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
88.5
dB
Frequency response
35 - 3000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
42.0
Hz
Mechanical quality factor
QMS
2.92
Electrical quality factor
QES
0.56
Total quality factor
QTS
0.47
Large signal parameters
Maximum linear excursion
xmax
5.0
mm
Maximum excursion before damage
xlim
10.0
mm
Air volume displaced at xmax
VD
68
cm³
Power handling
P
80
W
Program power
Pmax
250
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.8
Ω
Inductance (1kHz)
LE
1.05
mH
VC Diameter
26
mm
Winding height
HVC
16
mm
Magnet
Flux density
B
1.1
T
Force factor
Bl
5.6
N/A
Motor constant
Bl/√RE
2.33
N/√W
Air gap height
HAG
6
mm
Weight
0.42
kg
Diaphragm
Effective diameter
132
mm
Effective area
SD
136
cm²
Moving mass
MMS
10.6
g
Moving mass (without air load)
MMD
9.4
g
Suspensions
Stiffness
KMS
0.71
N/mm
Compliance
CMS
1400
µm/N
Equivalent volume to the compliance
VAS
32
L
Mechanical resistance
RMS
1.04
N·s/m
Dimensions
Nominal diameter
8
″
180
mm
Volume occupied by the driver (estimated)
0.57
L
Net weight
1.41
kg
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Export this driver to a simulation software:
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SpeakerbenchSimilar woofers to SEAS H1217-08 CA18RLY
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8″Woofer
fS
38 Hz
SD
214 cm²
35 - 5500 Hz
QTS
0.38
xmax
6.0 mm
SPL1W
89 dB
Bl/√RE
3.52
Pmax
120 W
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8″Full-range
fS
42 Hz
SD
136 cm²
45 - 20000 Hz
QTS
0.39
xmax
3.0 mm
SPL1W
89 dB
Bl/√RE
2.76
Pmax
110 W