SEAS SW 300/1 L0020-04S
Subwoofer
12″ / 300 mm
Nominal diameter
23 Hz
Resonance
0.51
Q factor
86 dB
Sensitivity
± 13.5 mm
Linear excursion
500 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
85.9
dB
Frequency response
30 - 500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
23.0
Hz
Mechanical quality factor
QMS
5.92
Electrical quality factor
QES
0.56
Total quality factor
QTS
0.51
Large signal parameters
Maximum linear excursion
xmax
13.5
mm
Maximum excursion before damage
xlim
22.0
mm
Air volume displaced at xmax
VD
648
cm³
Power handling
P
180
W
Program power
Pmax
500
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.4
Ω
Inductance (1kHz)
LE
5.82
mH
VC Diameter
52
mm
Winding height
HVC
37
mm
Magnet
Flux density
B
0.66
T
Force factor
Bl
12.1
N/A
Motor constant
Bl/√RE
6.56
N/√W
Air gap height
HAG
10
mm
Weight
5.8
kg
Diaphragm
Effective diameter
247
mm
Effective area
SD
480
cm²
Moving mass
MMS
158
g
Moving mass (without air load)
MMD
150.5
g
Suspensions
Stiffness
KMS
3.33
N/mm
Compliance
CMS
300
µm/N
Equivalent volume to the compliance
VAS
94
L
Mechanical resistance
RMS
4.0
N·s/m
Dimensions
Nominal diameter
12
″
300
mm
Volume occupied by the driver (estimated)
3.1
L
Net weight
7.1
kg
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