8″ / 200 mm
Nominal diameter
68 Hz
Resonance
0.27
Q factor
94 dB
Sensitivity
± 6 mm
Linear excursion
400 W
Program Power
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Available on (affiliate links)
Parts Express
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.0
dB
Frequency response
70 - 4000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
68.0
Hz
Mechanical quality factor
QMS
5.20
Electrical quality factor
QES
0.29
Total quality factor
QTS
0.27
Large signal parameters
Maximum linear excursion
xmax
6.0
mm
Air volume displaced at xmax
VD
132
cm³
Power handling
P
200
W
Program power
Pmax
400
W
Voice Coil
Nominal impedance
Z
16
Ω
DC resistance
RE
10.0
Ω
Inductance (1kHz)
LE
1.25
mH
VC Diameter
51
mm
Winding height
HVC
16
mm
Winding material
Aluminium
Former material
Kapton
Magnet
Flux density
B
1.45
T
Force factor
Bl
17.8
N/A
Motor constant
Bl/√RE
5.63
N/√W
Air gap height
HAG
8
mm
Material
Neodymium Ring
Diaphragm
Effective diameter
167
mm
Effective area
SD
220
cm²
Moving mass
MMS
22
g
Moving mass (without air load)
MMD
19.5
g
Material
Waterproof
Suspensions
Stiffness
KMS
3.92
N/mm
Compliance
CMS
255
µm/N
Equivalent volume to the compliance
VAS
17.5
L
Mechanical resistance
RMS
1.81
N·s/m
Spider material
Single
Dimensions
Nominal diameter
8
″
200
mm
Overall diameter
225
mm
Baffle cutout diameter
187
mm
Overall depth
95
mm
Flange thickness
11
mm
Mounting depth
84
mm
Volume occupied by the driver
1.1
L
Net weight
2.55
kg
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Export this driver to a simulation software:
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QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar woofers to B&C Speaker 8MDN51 16Ω
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8″Coaxial
fS
68 Hz
SD
220 cm²
70 - 18000 Hz
QTS
0.27
xmax
6.0 mm
SPL1W
94 dB
Bl/√RE
5.69
Pmax
500 W
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8″Woofer
fS
62 Hz
SD
230 cm²
55 - 6300 Hz
QTS
0.25
xmax
5.5 mm
SPL1W
94 dB
Bl/√RE
6.07
Pmax
600 W
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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