B&C Speaker 18RBX100 8Ω

Subwoofer

18″ / 460 mm
Nominal diameter
40 Hz
Resonance
0.34
Q factor
95 dB
Sensitivity
± 10 mm
Linear excursion
2000 W
Program Power
Discontinued
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
95.4
dB
Frequency response
35 - 1000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
40.0
Hz
Mechanical quality factor
QMS
7.30
Electrical quality factor
QES
0.36
Total quality factor
QTS
0.34

Large signal parameters

Maximum linear excursion
xmax
10.0
mm
Air volume displaced at xmax
VD
1225
cm³
Power handling
P
1000
W
Program power
Pmax
2000
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.1
Ω
Inductance (1kHz)
LE
1.5
mH
VC Diameter
100
mm
Winding height
HVC
25
mm
Winding material
Copper
Former material
Glass Fibre

Magnet

Flux density
B
1.1
T
Force factor
Bl
25.1
N/A
Motor constant
Bl/√RE
11.1
N/√W
Air gap height
HAG
11
mm
Material
Ferrite

Diaphragm

Effective diameter
395
mm
Effective area
SD
1225
cm²
Moving mass
MMS
199
g
Moving mass (without air load)
MMD
169.4
g
Material
Waterproof

Suspensions

Stiffness
KMS
9.71
N/mm
Compliance
CMS
103
µm/N
Equivalent volume to the compliance
VAS
220
L
Mechanical resistance
RMS
6.85
N·s/m
Spider material
Double Silicone

Dimensions

Nominal diameter
18
460
mm
Overall diameter
460
mm
Baffle cutout diameter
422
mm
Overall depth
200
mm
Flange thickness
14
mm
Mounting depth
186
mm
Volume occupied by the driver
10.5
L
Net weight
12.3
kg
B&C Speaker 18RBX100 8Ω Impedance
B&C Speaker 18RBX100 8Ω SPL
B&C Speaker 18RBX100 8Ω Dimensions

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