15″ / 380 mm
Nominal diameter
42 Hz
Resonance
0.37
Q factor
95 dB
Sensitivity
± 6.6 mm
Linear excursion
800 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
Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.1
dB
Frequency response
40 - 4000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
42.0
Hz
Mechanical quality factor
QMS
5.00
Electrical quality factor
QES
0.40
Total quality factor
QTS
0.37
Large signal parameters
Maximum linear excursion
xmax
6.6
mm
Maximum excursion before damage
xlim
12.5
mm
Air volume displaced at xmax
VD
564
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
1.06
mH
VC Diameter
75
mm
Winding height
HVC
18.6
mm
Former material
Glass fiber
Magnet
Force factor
Bl
19.0
N/A
Motor constant
Bl/√RE
8.33
N/√W
Air gap height
HAG
10.5
mm
Diameter
74
mm
Height
9
mm
Diaphragm
Effective diameter
330
mm
Effective area
SD
855
cm²
Moving mass
MMS
107
g
Moving mass (without air load)
MMD
89.9
g
Material
Water Proof Treated Paper
Suspensions
Stiffness
KMS
7.14
N/mm
Compliance
CMS
140
µm/N
Equivalent volume to the compliance
VAS
140
L
Mechanical resistance
RMS
5.65
N·s/m
Surround material
Polycotton
Dimensions
Nominal diameter
15
″
380
mm
Volume occupied by the driver
3.2
L
Net weight
3.5
kg
Similar speaker drivers to LaVoce NBASS15-30
15″Coaxial
fS
41 Hz
SD
834 cm²
40 - 2000 Hz
QTS
0.36
xmax
5.5 mm
SPL1W
95 dB
Bl/√RE
8.63
Pmax
1000 W
15″Coaxial
fS
41 Hz
SD
834 cm²
40 - 2000 Hz
QTS
0.36
xmax
5.5 mm
SPL1W
95 dB
Bl/√RE
8.63
Pmax
1000 W
15″Subwoofer
fS
39 Hz
SD
864 cm²
40 - 3150 Hz
QTS
0.35
xmax
9.3 mm
SPL1W
95 dB
Bl/√RE
9.17
Pmax
1000 W