18″ / 460 mm
Nominal diameter
36 Hz
Resonance
0.36
Q factor
95 dB
Sensitivity
± 12.5 mm
Linear excursion
3000 W
Program Power
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.5
dB
Frequency response
35 - 1000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
36.0
Hz
Mechanical quality factor
QMS
5.91
Electrical quality factor
QES
0.40
Total quality factor
QTS
0.36
Large signal parameters
Maximum linear excursion
xmax
12.5
mm
Air volume displaced at xmax
VD
1513
cm³
Power handling
P
1500
W
Program power
Pmax
3000
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.2
Ω
Inductance (1kHz)
LE
1.52
mH
VC Diameter
100
mm
Winding height
HVC
32
mm
Former material
Glass Fibre
Magnet
Flux density
B
1.15
T
Force factor
Bl
22.0
N/A
Motor constant
Bl/√RE
12.3
N/√W
Air gap height
HAG
14
mm
Material
Neodymium Inside Slug
Diaphragm
Effective diameter
393
mm
Effective area
SD
1210
cm²
Moving mass
MMS
244
g
Moving mass (without air load)
MMD
214.8
g
Material
Waterproof Both Sides
Suspensions
Stiffness
KMS
13.7
N/mm
Compliance
CMS
73
µm/N
Equivalent volume to the compliance
VAS
160
L
Mechanical resistance
RMS
9.34
N·s/m
Dimensions
Nominal diameter
18
″
460
mm
Overall diameter
460
mm
Baffle cutout diameter
422
mm
Overall depth
239
mm
Flange thickness
16
mm
Mounting depth
223
mm
Volume occupied by the driver
10.0
L
Net weight
10.5
kg
Similar subwoofers to B&C Speaker 18SW100
18″Subwoofer
fS
35 Hz
SD
1212 cm²
35 - 1600 Hz
QTS
0.32
xmax
12.5 mm
SPL1W
95 dB
Bl/√RE
13
Pmax
2400 W
18″Subwoofer
fS
38 Hz
SD
1225 cm²
40 - 1000 Hz
QTS
0.40
xmax
9.5 mm
SPL1W
94 dB
Bl/√RE
12
Pmax
2400 W
18″Subwoofer
fS
39 Hz
SD
1134 cm²
30 - 2500 Hz
QTS
0.41
xmax
7.7 mm
SPL1W
94 dB
Bl/√RE
11
Pmax
2000 W