Celestion FTR10-2055D
Mid Bass
10″ / 254 mm
Nominal diameter
58 Hz
Resonance
0.34
Q factor
94 dB
Sensitivity
± 4 mm
Linear excursion
400 W
Program Power
Discontinued
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.2
dB
Frequency response
60 - 4000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
57.5
Hz
Mechanical quality factor
QMS
2.73
Electrical quality factor
QES
0.39
Total quality factor
QTS
0.34
Large signal parameters
Maximum linear excursion
xmax
4.0
mm
Air volume displaced at xmax
VD
139
cm³
Power handling
P
200
W
Program power
Pmax
400
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.9
Ω
Inductance (1kHz)
LE
0.46
mH
VC Diameter
50
mm
Winding height
HVC
16
mm
Winding material
Round copper
Former material
Glass fibre
Magnet
Force factor
Bl
13.81
N/A
Motor constant
Bl/√RE
5.7
N/√W
Air gap height
HAG
8
mm
Weight
1.3
kg
Material
Ferrite
Diaphragm
Effective diameter
210
mm
Effective area
SD
346
cm²
Moving mass
MMS
35.2
g
Moving mass (without air load)
MMD
30.5
g
Material
Kevlar loaded paper
Suspensions
Stiffness
KMS
4.55
N/mm
Compliance
CMS
220
µm/N
Equivalent volume to the compliance
VAS
36.9
L
Mechanical resistance
RMS
4.65
N·s/m
Surround material
Cloth-sealed
Dimensions
Nominal diameter
10
″
254
mm
Overall diameter
260
mm
Baffle cutout diameter
232
mm
Overall depth
112
mm
Volume occupied by the driver (estimated)
1.6
L
Net weight
4.0
kg
Frame material
Cast aluminium
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10″Subwoofer
fS
60 Hz
SD
348 cm²
60 - 3150 Hz
QTS
0.36
xmax
7.3 mm
SPL1W
94 dB
Bl/√RE
5.8
Pmax
600 W
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10″Mid-range
fS
59 Hz
SD
317 cm²
70 - 4000 Hz
QTS
0.32
xmax
4.3 mm
SPL1W
95 dB
Bl/√RE
5.83
Pmax
400 W
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10″Woofer
fS
60 Hz
SD
348 cm²
60 - 4000 Hz
QTS
0.34
xmax
4.9 mm
SPL1W
94 dB
Bl/√RE
6.2
Pmax
600 W