B&C Speaker 18TBW100

Subwoofer

18″ / 460 mm
Nominal diameter
33 Hz
Resonance
0.32
Q factor
94 dB
Sensitivity
± 12 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

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Specifications

Sensitivity (1W, 1m, infinite baffle)
SPL1W
94.1
dB
Frequency response
35 - 1000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
33.0
Hz
Mechanical quality factor
QMS
6.23
Electrical quality factor
QES
0.34
Total quality factor
QTS
0.32

Large signal parameters

Maximum linear excursion
xmax
12.0
mm
Air volume displaced at xmax
VD
1452
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
1.64
mH
VC Diameter
100
mm
Winding height
HVC
31
mm
Winding material
Copper
Former material
Glass Fibre

Magnet

Flux density
B
1.15
T
Force factor
Bl
22.8
N/A
Motor constant
Bl/√RE
12.7
N/√W
Air gap height
HAG
15
mm
Material
Ferrite

Diaphragm

Effective diameter
393
mm
Effective area
SD
1210
cm²
Moving mass
MMS
268
g
Moving mass (without air load)
MMD
238.8
g
Material
Waterproof Both Sides

Suspensions

Stiffness
KMS
11.49
N/mm
Compliance
CMS
87
µm/N
Equivalent volume to the compliance
VAS
182
L
Mechanical resistance
RMS
8.92
N·s/m
Spider material
Silicone

Dimensions

Nominal diameter
18
460
mm
Overall diameter
460
mm
Baffle cutout diameter
422
mm
Overall depth
241
mm
Flange thickness
16
mm
Mounting depth
225
mm
Volume occupied by the driver
11.0
L
Net weight
15.4
kg
B&C Speaker 18TBW100 Impedance
B&C Speaker 18TBW100 SPL
B&C Speaker 18TBW100 Dimensions

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