Beyma 18SW1600Nd
Subwoofer
18″ / 460 mm
Nominal diameter
32 Hz
Resonance
0.33
Q factor
94 dB
Sensitivity
± 10 mm
Linear excursion
3200 W
Program Power
Discontinued
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.4
dB
Frequency response
25 - 1800
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
32.0
Hz
Mechanical quality factor
QMS
11.74
Electrical quality factor
QES
0.34
Total quality factor
QTS
0.33
Large signal parameters
Maximum linear excursion
xmax
10.0
mm
Maximum excursion before damage
xlim
30.0
mm
Air volume displaced at xmax
VD
1255
cm³
Power handling
P
1600
W
Program power
Pmax
3200
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.5
Ω
Inductance (1kHz)
LE
3.1
mH
VC Diameter
120
mm
Winding height
HVC
25
mm
Magnet
Force factor
Bl
29.0
N/A
Motor constant
Bl/√RE
12.4
N/√W
Air gap height
HAG
14
mm
Material
Neodymium
Diaphragm
Effective diameter
400
mm
Effective area
SD
1255
cm²
Moving mass
MMS
260
g
Moving mass (without air load)
MMD
229.6
g
Suspensions
Stiffness
KMS
10.6
N/mm
Compliance
CMS
94
µm/N
Equivalent volume to the compliance
VAS
206
L
Mechanical resistance
RMS
4.46
N·s/m
Dimensions
Nominal diameter
18
″
460
mm
Overall depth
62
mm
Volume occupied by the driver (estimated)
0.29
L
Net weight
11.4
kg
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SD
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SD
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35 - 1000 Hz
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xmax
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