SEAS E0077-08 W22NX001
Subwoofer
8″ / 220 mm
Nominal diameter
25 Hz
Resonance
0.39
Q factor
87 dB
Sensitivity
± 7 mm
Linear excursion
500 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
86.8
dB
Frequency response
20 - 2000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
25.0
Hz
Mechanical quality factor
QMS
4.18
Electrical quality factor
QES
0.44
Total quality factor
QTS
0.39
Large signal parameters
Maximum linear excursion
xmax
7.0
mm
Maximum excursion before damage
xlim
10.0
mm
Air volume displaced at xmax
VD
154
cm³
Power handling
P
200
W
Program power
Pmax
500
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.3
Ω
Inductance (1kHz)
LE
0.26
mH
VC Diameter
39
mm
Winding height
HVC
20
mm
Magnet
Flux density
B
1.3
T
Force factor
Bl
8.3
N/A
Motor constant
Bl/√RE
3.31
N/√W
Air gap height
HAG
6
mm
Weight
0.9
kg
Diaphragm
Effective diameter
167
mm
Effective area
SD
220
cm²
Moving mass
MMS
31.1
g
Moving mass (without air load)
MMD
28.6
g
Suspensions
Stiffness
KMS
0.74
N/mm
Compliance
CMS
1350
µm/N
Equivalent volume to the compliance
VAS
93
L
Mechanical resistance
RMS
1.15
N·s/m
Dimensions
Nominal diameter
8
″
220
mm
Volume occupied by the driver (estimated)
1.2
L
Net weight
2.8
kg
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