10″ / 250 mm
Nominal diameter
67 Hz
Resonance
0.26
Q factor
95 dB
Sensitivity
± 6.8 mm
Linear excursion
800 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
94.7
dB
Frequency response
65 - 3500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
67.0
Hz
Mechanical quality factor
QMS
7.80
Electrical quality factor
QES
0.27
Total quality factor
QTS
0.26
Large signal parameters
Maximum linear excursion
xmax
6.8
mm
Air volume displaced at xmax
VD
218
cm³
Power handling
P
400
W
Program power
Pmax
800
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.5
Ω
Inductance (1kHz)
LE
0.38
mH
VC Diameter
76
mm
Winding height
HVC
18.5
mm
Winding material
Copper Clad Aluminium
Former material
Glass Fibre
Magnet
Flux density
B
1.35
T
Force factor
Bl
20.0
N/A
Motor constant
Bl/√RE
8.53
N/√W
Air gap height
HAG
10
mm
Diaphragm
Effective diameter
202
mm
Effective area
SD
320
cm²
Moving mass
MMS
47
g
Moving mass (without air load)
MMD
42.7
g
Material
Waterproof Front Side
Suspensions
Stiffness
KMS
8.26
N/mm
Compliance
CMS
121
µm/N
Equivalent volume to the compliance
VAS
17.6
L
Mechanical resistance
RMS
2.54
N·s/m
Dimensions
Nominal diameter
10
″
250
mm
Overall diameter
261
mm
Baffle cutout diameter
233
mm
Overall depth
119
mm
Flange thickness
13
mm
Mounting depth
106
mm
Volume occupied by the driver
1.5
L
Net weight
3.8
kg
Similar woofers to B&C Speaker 10NW76
8″Woofer
fS
73 Hz
SD
214 cm²
70 - 4000 Hz
QTS
0.28
xmax
4.0 mm
SPL1W
95 dB
Bl/√RE
5.55
Pmax
600 W
8″Coaxial
fS
70 Hz
SD
223 cm²
70 - 20000 Hz
QTS
0.29
xmax
6.2 mm
SPL1W
94 dB
Bl/√RE
5.88
Pmax
500 W
8″Mid Bass
fS
68 Hz
SD
220 cm²
70 - 4000 Hz
QTS
0.27
xmax
6.0 mm
SPL1W
94 dB
Bl/√RE
5.63
Pmax
400 W