LaVoce NBASS08-20
Bass Guitar Speaker
8″ / 200 mm
Nominal diameter
55 Hz
Resonance
0.47
Q factor
90 dB
Sensitivity
± 6.55 mm
Linear excursion
400 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
90.1
dB
Frequency response
55 - 3000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
55.0
Hz
Mechanical quality factor
QMS
9.90
Electrical quality factor
QES
0.50
Total quality factor
QTS
0.47
Large signal parameters
Maximum linear excursion
xmax
6.55
mm
Maximum excursion before damage
xlim
10.7
mm
Air volume displaced at xmax
VD
154
cm³
Power handling
P
200
W
Program power
Pmax
400
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.2
Ω
Inductance (1kHz)
LE
0.11
mH
VC Diameter
51
mm
Winding height
HVC
17.2
mm
Winding material
Copper
Former material
Glass Fiber
Magnet
Force factor
Bl
11.3
N/A
Motor constant
Bl/√RE
4.96
N/√W
Air gap height
HAG
8.2
mm
Diameter
51
mm
Height
9
mm
Material
Neodymium
Diaphragm
Effective diameter
173
mm
Effective area
SD
235
cm²
Moving mass
MMS
35.6
g
Moving mass (without air load)
MMD
33.1
g
Material
Water Proof treated Paper
Suspensions
Stiffness
KMS
4.35
N/mm
Compliance
CMS
230
µm/N
Equivalent volume to the compliance
VAS
18
L
Mechanical resistance
RMS
1.24
N·s/m
Surround material
Rubber
Dimensions
Nominal diameter
8
″
200
mm
Volume occupied by the driver
0.5
L
Net weight
1.2
kg
Frame material
Steel
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SpeakerbenchSimilar speaker drivers to LaVoce NBASS08-20
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8″Woofer
fS
56 Hz
SD
238 cm²
50 - 4000 Hz
QTS
0.52
xmax
4.7 mm
SPL1W
89 dB
Bl/√RE
3.57
Pmax
160 W
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8″Woofer
fS
60 Hz
SD
209 cm²
70 - 5000 Hz
QTS
0.46
xmax
8.7 mm
SPL1W
90 dB
Bl/√RE
4.51
Pmax
400 W
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8″Subwoofer
fS
52 Hz
SD
220 cm²
50 - 4000 Hz
QTS
0.40
xmax
6.5 mm
SPL1W
90 dB
Bl/√RE
5.23
Pmax
500 W