Celestion TF1520
Mid Bass
15″ / 381 mm
Nominal diameter
55 Hz
Resonance
0.72
Q factor
96 dB
Sensitivity
± 3 mm
Linear excursion
300 W
Program Power
Discontinued
.png)
.png)
Sensitivity (1w, 1m, infinite baffle)
SPL1W
96.0
dB
Frequency response
45 - 4000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
54.9
Hz
Mechanical quality factor
QMS
5.17
Electrical quality factor
QES
0.84
Total quality factor
QTS
0.72
Large signal parameters
Maximum linear excursion
xmax
3.0
mm
Air volume displaced at xmax
VD
257
cm³
Power handling
P
150
W
Program power
Pmax
300
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.8
Ω
Inductance (1kHz)
LE
0.8
mH
VC Diameter
50
mm
Winding height
HVC
14.5
mm
Winding material
Round copper
Former material
Polyimide
Magnet
Force factor
Bl
12.48
N/A
Motor constant
Bl/√RE
5.19
N/√W
Air gap height
HAG
8
mm
Weight
1.1
kg
Material
Ferrite
Diaphragm
Effective diameter
330
mm
Effective area
SD
855
cm²
Moving mass
MMS
65.5
g
Moving mass (without air load)
MMD
48.2
g
Material
Kevlar loaded paper
Suspensions
Stiffness
KMS
7.69
N/mm
Compliance
CMS
130
µm/N
Equivalent volume to the compliance
VAS
133
L
Mechanical resistance
RMS
4.37
N·s/m
Surround material
Cloth-sealed
Dimensions
Nominal diameter
15
″
381
mm
Overall diameter
385
mm
Baffle cutout diameter
352
mm
Overall depth
158
mm
Volume occupied by the driver (estimated)
2.9
L
Net weight
5.0
kg
Frame material
Pressed steel
.jpg)
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar speaker drivers to Celestion TF1520
.jpg.webp)
15″Low frequency
fS
50 Hz
SD
855 cm²
50 - 3500 Hz
QTS
0.68
xmax
4.1 mm
SPL1W
97 dB
Bl/√RE
5.51
Pmax
400 W
.jpg.webp)
15″Low frequency
fS
54 Hz
SD
855 cm²
50 - 4000 Hz
QTS
0.59
xmax
4.8 mm
SPL1W
97 dB
Bl/√RE
6.82
Pmax
1400 W
.jpg.webp)
15″Mid Bass
fS
45 Hz
SD
856 cm²
64 - 4000 Hz
QTS
0.61
xmax
1.6 mm
SPL1W
97 dB
Bl/√RE
5.24
Pmax
800 W