LaVoce LBASS12-15

Bass Guitar Speaker

12″ / 300 mm
Nominal diameter
38 Hz
Resonance
0.48
Q factor
93 dB
Sensitivity
± 4.7 mm
Linear excursion
200 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
Discard
Apply
Sensitivity (1W, 1m, infinite baffle)
SPL1W
93.0
dB
Frequency response
40 - 4000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
38.0
Hz
Mechanical quality factor
QMS
3.40
Electrical quality factor
QES
0.56
Total quality factor
QTS
0.48

Large signal parameters

Maximum linear excursion
xmax
4.7
mm
Maximum excursion before damage
xlim
8.7
mm
Air volume displaced at xmax
VD
252
cm³
Power handling
P
100
W
Program power
Pmax
200
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.4
Ω
Inductance (1kHz)
LE
0.7
mH
VC Diameter
38
mm
Winding height
HVC
13.3
mm
Winding material
Copper
Former material
Glass fiber

Magnet

Force factor
Bl
10.0
N/A
Motor constant
Bl/√RE
4.3
N/√W
Air gap height
HAG
8
mm
Diameter
110
mm
Height
17
mm
Material
Ferrite

Diaphragm

Effective diameter
261
mm
Effective area
SD
535
cm²
Moving mass
MMS
44.3
g
Moving mass (without air load)
MMD
35.9
g
Material
Water Proof Treated Paper

Suspensions

Stiffness
KMS
2.56
N/mm
Compliance
CMS
390
µm/N
Equivalent volume to the compliance
VAS
160
L
Mechanical resistance
RMS
3.11
N·s/m
Surround material
Polycotton

Dimensions

Nominal diameter
12
300
mm
Volume occupied by the driver
1.7
L
Net weight
2.4
kg
Frame material
Steel
LaVoce LBASS12-15 SPL & Impedance
LaVoce LBASS12-15 Dimensions

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