SEAS H1224-08 L18RNX/P
Woofer
8″ / 180 mm
Nominal diameter
36 Hz
Resonance
0.31
Q factor
88 dB
Sensitivity
± 6 mm
Linear excursion
250 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
87.9
dB
Frequency response
40 - 2500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
36.0
Hz
Mechanical quality factor
QMS
2.09
Electrical quality factor
QES
0.36
Total quality factor
QTS
0.31
Large signal parameters
Maximum linear excursion
xmax
6.0
mm
Maximum excursion before damage
xlim
11.0
mm
Air volume displaced at xmax
VD
76
cm³
Power handling
P
100
W
Program power
Pmax
250
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.8
Ω
Inductance (1kHz)
LE
1.06
mH
VC Diameter
39
mm
Winding height
HVC
18
mm
Magnet
Flux density
B
1.0
T
Force factor
Bl
7.2
N/A
Motor constant
Bl/√RE
2.99
N/√W
Air gap height
HAG
6
mm
Weight
0.64
kg
Diaphragm
Effective diameter
127
mm
Effective area
SD
126
cm²
Moving mass
MMS
13.6
g
Moving mass (without air load)
MMD
12.5
g
Suspensions
Stiffness
KMS
0.71
N/mm
Compliance
CMS
1400
µm/N
Equivalent volume to the compliance
VAS
30
L
Mechanical resistance
RMS
1.56
N·s/m
Dimensions
Nominal diameter
8
″
180
mm
Volume occupied by the driver (estimated)
0.79
L
Net weight
1.92
kg
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fS
36 Hz
SD
119 cm²
QTS
0.31
xmax
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SPL1W
88 dB
Bl/√RE
2.85
Pmax
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8″Woofer
fS
37 Hz
SD
136 cm²
45 - 3000 Hz
QTS
0.32
xmax
6.0 mm
SPL1W
88 dB
Bl/√RE
2.96
Pmax
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7″Mid-range
fS
34 Hz
SD
137 cm²
34 - 3000 Hz
QTS
0.30
xmax
4.5 mm
SPL1W
88 dB
Bl/√RE
3.37
Pmax
160 W