15″ / 381 mm
Nominal diameter
43 Hz
Resonance
0.32
Q factor
96 dB
Sensitivity
± 3.75 mm
Linear excursion
600 W
Program Power
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
Sensitivity (1w, 1m, infinite baffle)
SPL1W
96.2
dB
Frequency response
40 - 3000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
42.5
Hz
Mechanical quality factor
QMS
2.62
Electrical quality factor
QES
0.36
Total quality factor
QTS
0.32
Large signal parameters
Maximum linear excursion
xmax
3.75
mm
Air volume displaced at xmax
VD
321
cm³
Power handling
P
300
W
Program power
Pmax
600
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.4
Ω
Inductance (1kHz)
LE
1.11
mH
VC Diameter
75
mm
Winding height
HVC
17.5
mm
Winding material
Round copper
Magnet
Force factor
Bl
19.29
N/A
Motor constant
Bl/√RE
8.32
N/√W
Air gap height
HAG
10
mm
Diaphragm
Effective diameter
330
mm
Effective area
SD
855
cm²
Moving mass
MMS
92.6
g
Moving mass (without air load)
MMD
75.3
g
Material
Kevlar loaded paper
Suspensions
Stiffness
KMS
6.67
N/mm
Compliance
CMS
150
µm/N
Equivalent volume to the compliance
VAS
157
L
Mechanical resistance
RMS
9.45
N·s/m
Surround material
Cloth-sealed
Dimensions
Nominal diameter
15
″
381
mm
Overall diameter
385
mm
Baffle cutout diameter
352
mm
Overall depth
160
mm
Volume occupied by the driver (estimated)
2.0
L
Net weight
2.8
kg
Frame material
Pressed steel
Similar speaker drivers to Celestion TN1530
15″Coaxial
fS
43 Hz
SD
834 cm²
40 - 2500 Hz
QTS
0.34
xmax
2.5 mm
SPL1W
96 dB
Bl/√RE
8.63
Pmax
800 W
15″Woofer
fS
42 Hz
SD
855 cm²
40 - 3000 Hz
QTS
0.33
xmax
7.0 mm
SPL1W
96 dB
Bl/√RE
9.3
Pmax
800 W
15″Woofer
fS
45 Hz
SD
855 cm²
45 - 3000 Hz
QTS
0.34
xmax
8.0 mm
SPL1W
96 dB
Bl/√RE
8.99
Pmax
1400 W