Celestion BN15-400X
Bass Guitar Speaker
15″ / 381 mm
Nominal diameter
35 Hz
Resonance
0.53
Q factor
94 dB
Sensitivity
± 4 mm
Linear excursion
800 W
Program Power
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
93.7
dB
Frequency response
38 - 3000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
35.1
Hz
Mechanical quality factor
QMS
5.07
Electrical quality factor
QES
0.59
Total quality factor
QTS
0.53
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
5.2
Ω
Inductance (1kHz)
LE
1.08
mH
VC Diameter
76
mm
Winding height
HVC
18
mm
Winding material
Copper
Former material
Polyimide
Magnet
Force factor
Bl
12.9
N/A
Motor constant
Bl/√RE
5.66
N/√W
Air gap height
HAG
10
mm
Height
40
mm
Material
Neodymium
Diaphragm
Effective diameter
330
mm
Effective area
SD
855
cm²
Moving mass
MMS
84
g
Moving mass (without air load)
MMD
66.7
g
Material
Kevlar loaded paper
Suspensions
Stiffness
KMS
4.1
N/mm
Compliance
CMS
244
µm/N
Equivalent volume to the compliance
VAS
253
L
Mechanical resistance
RMS
3.655
N·s/m
Surround material
Cloth-sealed
Dimensions
Nominal diameter
15
″
381
mm
Overall diameter
385
mm
Baffle cutout diameter
351
mm
Overall depth
152
mm
Volume occupied by the driver (estimated)
1.8
L
Net weight
2.6
kg
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fS
33 Hz
SD
855 cm²
35 - 2100 Hz
QTS
0.60
xmax
8.0 mm
SPL1W
93 dB
Bl/√RE
5.38
Pmax
1400 W
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fS
35 Hz
SD
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25 - 1000 Hz
QTS
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xmax
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SPL1W
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Bl/√RE
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fS
35 Hz
SD
870 cm²
35 - 4000 Hz
QTS
0.48
xmax
5.2 mm
SPL1W
94 dB
Bl/√RE
6.71
Pmax
600 W