B&C Speaker 5NDL38
Woofer
5″ / 127 mm
Nominal diameter
80 Hz
Resonance
0.36
Q factor
90 dB
Sensitivity
± 3.5 mm
Linear excursion
180 W
Program Power
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Available on (affiliate links)
Parts Express
$$$
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
89.9
dB
Frequency response
80 - 7000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
80.0
Hz
Mechanical quality factor
QMS
9.20
Electrical quality factor
QES
0.37
Total quality factor
QTS
0.36
Large signal parameters
Maximum linear excursion
xmax
3.5
mm
Air volume displaced at xmax
VD
33
cm³
Power handling
P
90
W
Program power
Pmax
180
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.5
Ω
Inductance (1kHz)
LE
0.64
mH
VC Diameter
38
mm
Winding height
HVC
10
mm
Winding material
Aluminium
Former material
Glass Fibre
Magnet
Flux density
B
1.25
T
Force factor
Bl
9.2
N/A
Motor constant
Bl/√RE
3.92
N/√W
Air gap height
HAG
6
mm
Material
Neodymium Ring
Diaphragm
Effective diameter
110
mm
Effective area
SD
95
cm²
Moving mass
MMS
11
g
Moving mass (without air load)
MMD
10.3
g
Material
Waterproof Front Side
Suspensions
Stiffness
KMS
2.87
N/mm
Compliance
CMS
349
µm/N
Equivalent volume to the compliance
VAS
4.3
L
Mechanical resistance
RMS
0.6
N·s/m
Dimensions
Nominal diameter
5
″
127
mm
Overall diameter
155
mm
Baffle cutout diameter
122
mm
Overall depth
75
mm
Flange thickness
9
mm
Mounting depth
66
mm
Volume occupied by the driver
0.35
L
Net weight
0.94
kg
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SpeakerbenchSimilar woofers to B&C Speaker 5NDL38
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fS
72 Hz
SD
95 cm²
70 - 10000 Hz
QTS
0.33
xmax
5.7 mm
SPL1W
90 dB
Bl/√RE
3.73
Pmax
300 W
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6.5″Woofer
fS
86 Hz
SD
133 cm²
75 - 8000 Hz
QTS
0.35
xmax
4.9 mm
SPL1W
91 dB
Bl/√RE
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Pmax
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