Celestion NTR10-2520E
Mid Bass
10″ / 254 mm
Nominal diameter
56 Hz
Resonance
0.31
Q factor
93 dB
Sensitivity
± 5 mm
Linear excursion
500 W
Program Power
Discontinued
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
93.2
dB
Frequency response
50 - 3000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
55.8
Hz
Mechanical quality factor
QMS
3.24
Electrical quality factor
QES
0.35
Total quality factor
QTS
0.31
Large signal parameters
Maximum linear excursion
xmax
5.0
mm
Air volume displaced at xmax
VD
173
cm³
Power handling
P
250
W
Program power
Pmax
500
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.4
Ω
Inductance (1kHz)
LE
0.68
mH
VC Diameter
64
mm
Winding height
HVC
17.5
mm
Winding material
Round copper
Former material
Glass fibre
Magnet
Force factor
Bl
15.93
N/A
Motor constant
Bl/√RE
6.83
N/√W
Air gap height
HAG
8
mm
Material
Neodymium
Diaphragm
Effective diameter
210
mm
Effective area
SD
346
cm²
Moving mass
MMS
46
g
Moving mass (without air load)
MMD
41.3
g
Material
Kevlar loaded paper
Suspensions
Stiffness
KMS
5.56
N/mm
Compliance
CMS
180
µm/N
Equivalent volume to the compliance
VAS
30.1
L
Mechanical resistance
RMS
4.97
N·s/m
Surround material
Cloth-sealed
Dimensions
Nominal diameter
10
″
254
mm
Overall diameter
260
mm
Baffle cutout diameter
232
mm
Overall depth
113
mm
Volume occupied by the driver (estimated)
1.1
L
Net weight
2.2
kg
Frame material
Cast aluminium
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10″Subwoofer
fS
53 Hz
SD
340 cm²
50 - 5000 Hz
QTS
0.31
xmax
7.5 mm
SPL1W
93 dB
Bl/√RE
6.81
Pmax
900 W
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10″Subwoofer
fS
50 Hz
SD
346 cm²
50 - 3000 Hz
QTS
0.26
xmax
7.4 mm
SPL1W
94 dB
Bl/√RE
7.32
Pmax
700 W