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
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
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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
Celestion NTR10-2520E SPL & Impedance
Celestion NTR10-2520E Dimensions

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