SEAS H1085-08 L18RCY/P
Woofer
8″ / 180 mm
Nominal diameter
33 Hz
Resonance
0.31
Q factor
88 dB
Sensitivity
± 4 mm
Linear excursion
250 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
87.7
dB
Frequency response
35 - 2500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
33.0
Hz
Mechanical quality factor
QMS
2.01
Electrical quality factor
QES
0.37
Total quality factor
QTS
0.31
Large signal parameters
Maximum linear excursion
xmax
4.0
mm
Maximum excursion before damage
xlim
8.0
mm
Air volume displaced at xmax
VD
50
cm³
Power handling
P
80
W
Program power
Pmax
250
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.6
Ω
Inductance (1kHz)
LE
0.92
mH
VC Diameter
26
mm
Winding height
HVC
14
mm
Magnet
Flux density
B
1.25
T
Force factor
Bl
6.5
N/A
Motor constant
Bl/√RE
2.75
N/√W
Air gap height
HAG
6
mm
Weight
0.42
kg
Diaphragm
Effective diameter
126
mm
Effective area
SD
125
cm²
Moving mass
MMS
12.7
g
Moving mass (without air load)
MMD
11.6
g
Suspensions
Stiffness
KMS
0.56
N/mm
Compliance
CMS
1800
µm/N
Equivalent volume to the compliance
VAS
38
L
Mechanical resistance
RMS
1.39
N·s/m
Dimensions
Nominal diameter
8
″
180
mm
Volume occupied by the driver (estimated)
0.57
L
Net weight
1.42
kg
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SpeakerbenchSimilar woofers to SEAS H1085-08 L18RCY/P
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8″Woofer
fS
35 Hz
SD
211 cm²
35 - 7000 Hz
QTS
0.33
xmax
5.5 mm
SPL1W
88 dB
Bl/√RE
4.36
Pmax
160 W
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