LaVoce FBASS12-20
Bass Guitar Speaker
12″ / 300 mm
Nominal diameter
52 Hz
Resonance
0.45
Q factor
95 dB
Sensitivity
± 4.3 mm
Linear excursion
400 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.5
dB
Frequency response
50 - 3000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
52.0
Hz
Mechanical quality factor
QMS
4.70
Electrical quality factor
QES
0.50
Total quality factor
QTS
0.45
Large signal parameters
Maximum linear excursion
xmax
4.3
mm
Maximum excursion before damage
xlim
8.4
mm
Air volume displaced at xmax
VD
228
cm³
Power handling
P
200
W
Program power
Pmax
400
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.3
Ω
Inductance (1kHz)
LE
0.6
mH
VC Diameter
51
mm
Winding height
HVC
12.6
mm
Winding material
Copper
Former material
Glass fiber
Magnet
Force factor
Bl
13.2
N/A
Motor constant
Bl/√RE
5.73
N/√W
Air gap height
HAG
8.2
mm
Diameter
145
mm
Height
17
mm
Material
Ferrite
Diaphragm
Effective diameter
260
mm
Effective area
SD
531
cm²
Moving mass
MMS
51
g
Moving mass (without air load)
MMD
42.6
g
Material
Water Proof Treated Paper
Suspensions
Stiffness
KMS
5.56
N/mm
Compliance
CMS
180
µm/N
Equivalent volume to the compliance
VAS
72
L
Mechanical resistance
RMS
3.55
N·s/m
Surround material
Polycotton
Dimensions
Nominal diameter
12
″
300
mm
Volume occupied by the driver
1.9
L
Net weight
3.6
kg
Frame material
Steel
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SD
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SD
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SD
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QTS
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