B&C Speaker 35NDF26
Full-range
3.5″ / 90 mm
Nominal diameter
98 Hz
Resonance
0.55
Q factor
87 dB
Sensitivity
± 3.2 mm
Linear excursion
60 W
Program Power
Discontinued
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
86.8
dB
Frequency response
100 - 20000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
98.0
Hz
Mechanical quality factor
QMS
8.80
Electrical quality factor
QES
0.58
Total quality factor
QTS
0.55
Large signal parameters
Maximum linear excursion
xmax
3.2
mm
Air volume displaced at xmax
VD
15
cm³
Power handling
P
30
W
Program power
Pmax
60
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.0
Ω
Inductance (1kHz)
LE
0.26
mH
VC Diameter
26
mm
Winding height
HVC
8
mm
Winding material
Aluminium
Former material
Kapton
Magnet
Flux density
B
1.3
T
Force factor
Bl
5.1
N/A
Motor constant
Bl/√RE
2.08
N/√W
Air gap height
HAG
3
mm
Material
Neodymium Inside Slug
Diaphragm
Effective diameter
77
mm
Effective area
SD
46
cm²
Moving mass
MMS
4
g
Moving mass (without air load)
MMD
3.8
g
Suspensions
Stiffness
KMS
1.58
N/mm
Compliance
CMS
633
µm/N
Equivalent volume to the compliance
VAS
1.9
L
Mechanical resistance
RMS
0.28
N·s/m
Spider material
Single
Dimensions
Nominal diameter
3.5
″
90
mm
Overall diameter
107
mm
Baffle cutout diameter
82
mm
Overall depth
50
mm
Flange thickness
3
mm
Mounting depth
47
mm
Volume occupied by the driver
0.15
L
Net weight
0.18
kg
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3.3″Full-range
fS
110 Hz
SD
39 cm²
80 - 20000 Hz
QTS
0.63
xmax
2.3 mm
SPL1W
86 dB
Bl/√RE
1.62
Pmax
50 W
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3″Full-range
fS
100 Hz
SD
32 cm²
100 - 18000 Hz
QTS
0.52
xmax
0.8 mm
SPL1W
87 dB
Bl/√RE
1.51
Pmax
30 W
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4″Coaxial
fS
95 Hz
SD
57 cm²
90 - 20000 Hz
QTS
0.59
xmax
4.0 mm
SPL1W
87 dB
Bl/√RE
2.28
Pmax
200 W