Celestion TF1530
Low frequency
15″ / 381 mm
Nominal diameter
42 Hz
Resonance
0.28
Q factor
97 dB
Sensitivity
± 4 mm
Linear excursion
800 W
Program Power
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
97.1
dB
Frequency response
40 - 3000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
42.0
Hz
Mechanical quality factor
QMS
2.73
Electrical quality factor
QES
0.31
Total quality factor
QTS
0.28
Large signal parameters
Maximum linear excursion
xmax
4.0
mm
Air volume displaced at xmax
VD
342
cm³
Power handling
P
400
W
Program power
Pmax
800
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.8
Ω
Inductance (1kHz)
LE
0.96
mH
VC Diameter
75
mm
Winding height
HVC
12
mm
Winding material
Round copper
Former material
Polyimide
Magnet
Force factor
Bl
21.22
N/A
Motor constant
Bl/√RE
8.8
N/√W
Air gap height
HAG
8
mm
Weight
2.44
kg
Material
Ferrite
Diaphragm
Effective diameter
330
mm
Effective area
SD
855
cm²
Moving mass
MMS
91.7
g
Moving mass (without air load)
MMD
74.3
g
Material
Kevlar loaded paper
Suspensions
Stiffness
KMS
6.25
N/mm
Compliance
CMS
160
µm/N
Equivalent volume to the compliance
VAS
162
L
Mechanical resistance
RMS
8.87
N·s/m
Surround material
Cloth-sealed
Dimensions
Nominal diameter
15
″
381
mm
Overall diameter
385
mm
Baffle cutout diameter
352
mm
Overall depth
163
mm
Volume occupied by the driver (estimated)
3.6
L
Net weight
6.9
kg
Frame material
Pressed steel
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Export this driver to a simulation software:
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SD
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SPL1W
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Bl/√RE
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SD
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SPL1W
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