SEAS RW 220 L0022-04S
Subwoofer
8″ / 220 mm
Nominal diameter
29 Hz
Resonance
0.36
Q factor
88 dB
Sensitivity
± 5 mm
Linear excursion
300 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
88.0
dB
Frequency response
30 - 2000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
29.0
Hz
Mechanical quality factor
QMS
2.11
Electrical quality factor
QES
0.43
Total quality factor
QTS
0.36
Large signal parameters
Maximum linear excursion
xmax
5.0
mm
Maximum excursion before damage
xlim
10.5
mm
Air volume displaced at xmax
VD
110
cm³
Power handling
P
110
W
Program power
Pmax
300
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.2
Ω
Inductance (1kHz)
LE
0.38
mH
VC Diameter
39
mm
Winding height
HVC
16
mm
Magnet
Flux density
B
1.0
T
Force factor
Bl
6.4
N/A
Motor constant
Bl/√RE
3.58
N/√W
Air gap height
HAG
6
mm
Weight
0.64
kg
Diaphragm
Effective diameter
167
mm
Effective area
SD
220
cm²
Moving mass
MMS
28.2
g
Moving mass (without air load)
MMD
25.7
g
Suspensions
Stiffness
KMS
0.91
N/mm
Compliance
CMS
1100
µm/N
Equivalent volume to the compliance
VAS
68
L
Mechanical resistance
RMS
2.59
N·s/m
Dimensions
Nominal diameter
8
″
220
mm
Volume occupied by the driver (estimated)
0.91
L
Net weight
2.2
kg
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SpeakerbenchSimilar subwoofers to SEAS RW 220 L0022-04S
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8″Woofer
fS
32 Hz
SD
168 cm²
32 - 5000 Hz
QTS
0.32
xmax
6.0 mm
SPL1W
89 dB
Bl/√RE
2.72
Pmax
200 W
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