B&C Speaker 10BG76
Subwoofer
10″ / 250 mm
Nominal diameter
49 Hz
Resonance
0.22
Q factor
91 dB
Sensitivity
± 9.6 mm
Linear excursion
1000 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
90.9
dB
Frequency response
49 - 800
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
49.0
Hz
Mechanical quality factor
QMS
5.74
Electrical quality factor
QES
0.23
Total quality factor
QTS
0.22
Large signal parameters
Maximum linear excursion
xmax
9.6
mm
Air volume displaced at xmax
VD
307
cm³
Power handling
P
500
W
Program power
Pmax
1000
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
4.1
Ω
Inductance (1kHz)
LE
1.37
mH
VC Diameter
76
mm
Winding height
HVC
25
mm
Winding material
Copper
Former material
Glass Fibre
Magnet
Flux density
B
1.22
T
Force factor
Bl
22.4
N/A
Motor constant
Bl/√RE
11.1
N/√W
Air gap height
HAG
11.5
mm
Material
Neodymium Ring
Diaphragm
Effective diameter
202
mm
Effective area
SD
320
cm²
Moving mass
MMS
91.4
g
Moving mass (without air load)
MMD
87.1
g
Material
Waterproof Both Sides
Suspensions
Stiffness
KMS
8.7
N/mm
Compliance
CMS
115
µm/N
Equivalent volume to the compliance
VAS
16.7
L
Mechanical resistance
RMS
4.9
N·s/m
Spider material
Silicone
Dimensions
Nominal diameter
10
″
250
mm
Overall diameter
261
mm
Baffle cutout diameter
233
mm
Overall depth
131
mm
Flange thickness
14
mm
Mounting depth
117
mm
Volume occupied by the driver
1.5
L
Net weight
4.8
kg
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SD
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SD
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