Celestion PULSE XL 12.20
Bass Guitar Speaker
12″ / 305 mm
Nominal diameter
35 Hz
Resonance
0.5
Q factor
92 dB
Sensitivity
± 8.25 mm
Linear excursion
1000 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
92.0
dB
Frequency response
35 - 2200
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
35.1
Hz
Mechanical quality factor
QMS
6.09
Electrical quality factor
QES
0.55
Total quality factor
QTS
0.50
Large signal parameters
Maximum linear excursion
xmax
8.25
mm
Air volume displaced at xmax
VD
438
cm³
Power handling
P
500
W
Program power
Pmax
1000
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.8
Ω
Inductance (1kHz)
LE
1.31
mH
VC Diameter
50
mm
Winding height
HVC
20.5
mm
Winding material
Copper
Former material
Polyimide
Magnet
Force factor
Bl
11.21
N/A
Motor constant
Bl/√RE
4.65
N/√W
Air gap height
HAG
8
mm
Height
36
mm
Material
Ferrite
Diaphragm
Effective diameter
260
mm
Effective area
SD
531
cm²
Moving mass
MMS
53.6
g
Moving mass (without air load)
MMD
45
g
Material
Cellulose
Suspensions
Stiffness
KMS
2.6
N/mm
Compliance
CMS
384
µm/N
Equivalent volume to the compliance
VAS
153
L
Mechanical resistance
RMS
1.939
N·s/m
Surround material
Cloth-sealed
Dimensions
Nominal diameter
12
″
305
mm
Overall depth
135
mm
Flange thickness
44
mm
Mounting depth
91
mm
Volume occupied by the driver (estimated)
2.1
L
Net weight
4.1
kg
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fS
35 Hz
SD
532 cm²
35 - 2300 Hz
QTS
0.54
xmax
6.2 mm
SPL1W
92 dB
Bl/√RE
4.43
Pmax
500 W
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12″Subwoofer
fS
33 Hz
SD
579 cm²
30 - 3000 Hz
QTS
0.45
xmax
8.3 mm
SPL1W
92 dB
Bl/√RE
5.65
Pmax
500 W
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fS
38 Hz
SD
535 cm²
40 - 4000 Hz
QTS
0.48
xmax
4.7 mm
SPL1W
93 dB
Bl/√RE
4.3
Pmax
200 W