Celestion AN2075
Full-range
2″ / 50 mm
Nominal diameter
153 Hz
Resonance
0.84
Q factor
80 dB
Sensitivity
± 2.25 mm
Linear excursion
40 W
Program Power
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
79.7
dB
Frequency response
160 - 19000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
153
Hz
Mechanical quality factor
QMS
5.28
Electrical quality factor
QES
1.00
Total quality factor
QTS
0.84
Large signal parameters
Maximum linear excursion
xmax
2.25
mm
Air volume displaced at xmax
VD
2.8
cm³
Power handling
P
20
W
Program power
Pmax
40
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.3
Ω
Inductance (1kHz)
LE
0.04
mH
VC Diameter
20
mm
Winding height
HVC
6
mm
Former material
Polyimide
Magnet
Force factor
Bl
2.71
N/A
Motor constant
Bl/√RE
1.17
N/√W
Air gap height
HAG
3
mm
Material
Neodymium
Diaphragm
Effective diameter
40
mm
Effective area
SD
13
cm²
Moving mass
MMS
1.5
g
Moving mass (without air load)
MMD
1.5
g
Material
Aluminium
Suspensions
Stiffness
KMS
1.39
N/mm
Compliance
CMS
720
µm/N
Equivalent volume to the compliance
VAS
1.51
L
Mechanical resistance
RMS
0.27
N·s/m
Surround material
Elastomer
Dimensions
Nominal diameter
2
″
50
mm
Overall size
56 x 56
mm
Baffle cutout diameter
51
mm
Overall depth
44
mm
Volume occupied by the driver (estimated)
0.13
L
Net weight
0.97
kg
Frame material
Glass reinforced ABS
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2″Full-range
fS
155 Hz
SD
13 cm²
155 - 20000 Hz
QTS
0.75
xmax
0.7 mm
SPL1W
81 dB
Bl/√RE
0.976
Pmax
6 W
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2″Full-range
fS
186 Hz
SD
12 cm²
200 - 20000 Hz
QTS
0.72
xmax
1.7 mm
SPL1W
82 dB
Bl/√RE
1.04
Pmax
30 W
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2″Full-range
fS
177 Hz
SD
15 cm²
130 - 10000 Hz
QTS
0.69
xmax
2.1 mm
SPL1W
82 dB
Bl/√RE
1.37
Pmax
30 W