B&C Speaker 18DS100

Subwoofer

18″ / 460 mm
Nominal diameter
32 Hz
Resonance
0.24
Q factor
95 dB
Sensitivity
± 14 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
Discard
Apply
Sensitivity (1W, 1m, infinite baffle)
SPL1W
94.8
dB
Frequency response
32 - 1000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
32.0
Hz
Mechanical quality factor
QMS
10.00
Electrical quality factor
QES
0.24
Total quality factor
QTS
0.24

Large signal parameters

Maximum linear excursion
xmax
14.0
mm
Air volume displaced at xmax
VD
1694
cm³
Power handling
P
1500
W
Program power
Pmax
3000
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
2.5
Ω
Inductance (1kHz)
LE
2.82
mH
VC Diameter
100
mm
Winding height
HVC
36
mm
Winding material
Aluminium
Former material
Glass Fibre

Magnet

Flux density
B
0.7
T
Force factor
Bl
24.3
N/A
Motor constant
Bl/√RE
15.4
N/√W
Air gap height
HAG
16
mm
Material
Neodymium Inside Slug

Diaphragm

Effective diameter
393
mm
Effective area
SD
1210
cm²
Moving mass
MMS
300
g
Moving mass (without air load)
MMD
270.8
g
Material
Waterproof Both Sides

Suspensions

Stiffness
KMS
11.36
N/mm
Compliance
CMS
88
µm/N
Equivalent volume to the compliance
VAS
157
L
Mechanical resistance
RMS
6.03
N·s/m
Spider material
Silicone

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
B&C Speaker 18DS100 Impedance
B&C Speaker 18DS100 SPL
B&C Speaker 18DS100 Dimensions

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fS
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SD
1255 cm²
30 - 1000 Hz
QTS
0.23
xmax
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SPL1W
95 dB
Bl/√RE
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Pmax
3200 W