8″ / 200 mm
Nominal diameter
73 Hz
Resonance
0.24
Q factor
95 dB
Sensitivity
± 4.5 mm
Linear excursion
700 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.5
dB
Frequency response
80 - 4000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
73.0
Hz
Mechanical quality factor
QMS
6.80
Electrical quality factor
QES
0.25
Total quality factor
QTS
0.24
Large signal parameters
Maximum linear excursion
xmax
4.5
mm
Air volume displaced at xmax
VD
99
cm³
Power handling
P
350
W
Program power
Pmax
700
W
Voice Coil
Nominal impedance
Z
16
Ω
DC resistance
RE
11.2
Ω
Inductance (1kHz)
LE
1.03
mH
VC Diameter
64
mm
Winding height
HVC
14
mm
Winding material
Copper
Former material
Glass Fibre
Magnet
Flux density
B
1.25
T
Force factor
Bl
24.0
N/A
Motor constant
Bl/√RE
7.17
N/√W
Air gap height
HAG
8
mm
Material
Neodymium Inside Slug
Diaphragm
Effective diameter
167
mm
Effective area
SD
220
cm²
Moving mass
MMS
27
g
Moving mass (without air load)
MMD
24.5
g
Material
Waterproof Front Side
Suspensions
Stiffness
KMS
5.88
N/mm
Compliance
CMS
170
µm/N
Equivalent volume to the compliance
VAS
11.8
L
Mechanical resistance
RMS
1.82
N·s/m
Dimensions
Nominal diameter
8
″
200
mm
Overall diameter
225
mm
Baffle cutout diameter
187
mm
Overall depth
95
mm
Flange thickness
10
mm
Mounting depth
85
mm
Volume occupied by the driver
1.5
L
Net weight
2.6
kg
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Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar woofers to B&C Speaker 8NDL64
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8″Mid Bass
fS
76 Hz
SD
220 cm²
70 - 3000 Hz
QTS
0.25
xmax
6.0 mm
SPL1W
95 dB
Bl/√RE
7.08
Pmax
400 W
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8″Woofer
fS
71 Hz
SD
227 cm²
70 - 4500 Hz
QTS
0.21
xmax
4.4 mm
SPL1W
95 dB
Bl/√RE
7.67
Pmax
700 W
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8″Mid Bass
fS
80 Hz
SD
220 cm²
80 - 4000 Hz
QTS
0.25
xmax
4.5 mm
SPL1W
95 dB
Bl/√RE
7.53
Pmax
700 W