B&C Speaker 2NDF26
Full-range
2″ / 50 mm
Nominal diameter
165 Hz
Resonance
0.56
Q factor
84 dB
Sensitivity
± 2.6 mm
Linear excursion
60 W
Program Power
Discontinued
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
83.6
dB
Frequency response
165 - 20000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
165
Hz
Mechanical quality factor
QMS
10.30
Electrical quality factor
QES
0.59
Total quality factor
QTS
0.56
Large signal parameters
Maximum linear excursion
xmax
2.6
mm
Air volume displaced at xmax
VD
3.9
cm³
Power handling
P
30
W
Program power
Pmax
60
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
7.0
Ω
Inductance (1kHz)
LE
0.16
mH
VC Diameter
26
mm
Winding height
HVC
7
mm
Winding material
Aluminium
Former material
Nomex
Magnet
Flux density
B
1.3
T
Force factor
Bl
4.1
N/A
Motor constant
Bl/√RE
1.55
N/√W
Air gap height
HAG
3.5
mm
Material
Neodymium Inside Slug
Diaphragm
Effective diameter
44
mm
Effective area
SD
15
cm²
Moving mass
MMS
1.4
g
Moving mass (without air load)
MMD
1.4
g
Suspensions
Stiffness
KMS
1.6
N/mm
Compliance
CMS
627
µm/N
Equivalent volume to the compliance
VAS
0.2
L
Mechanical resistance
RMS
0.14
N·s/m
Spider material
Single
Dimensions
Nominal diameter
2
″
50
mm
Overall diameter
65
mm
Baffle cutout diameter
48
mm
Overall depth
37
mm
Flange thickness
2
mm
Mounting depth
35
mm
Volume occupied by the driver
0.1
L
Net weight
0.17
kg
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Export this driver to a simulation software:
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SpeakerbenchSimilar speaker drivers to B&C Speaker 2NDF26
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2″Full-range
fS
180 Hz
SD
15 cm²
150 - 20000 Hz
QTS
0.65
xmax
1.6 mm
SPL1W
84 dB
Bl/√RE
1.17
Pmax
30 W
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2″Full-range
fS
150 Hz
SD
14 cm²
200 - 10000 Hz
QTS
0.49
xmax
2.4 mm
SPL1W
84 dB
Bl/√RE
1.46
Pmax
10 W
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2″Full-range
fS
164 Hz
SD
13 cm²
120 - 20000 Hz
QTS
0.59
xmax
0.9 mm
SPL1W
82 dB
Bl/√RE
1.38
Pmax
10 W