LaVoce SAN215.30

Subwoofer

21″ / 530 mm
Nominal diameter
32 Hz
Resonance
0.32
Q factor
95 dB
Sensitivity
± 14.9 mm
Linear excursion
4000 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
94.7
dB
Frequency response
30 - 1000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
32.0
Hz
Mechanical quality factor
QMS
5.67
Electrical quality factor
QES
0.34
Total quality factor
QTS
0.32

Large signal parameters

Maximum linear excursion
xmax
14.9
mm
Maximum excursion before damage
xlim
26.4
mm
Air volume displaced at xmax
VD
2533
cm³
Power handling
P
2000
W
Program power
Pmax
4000
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.3
Ω
Inductance (1kHz)
LE
2.79
mH
VC Diameter
134
mm
Winding height
HVC
38.8
mm
Winding material
Copper
Former material
Glass Fiber

Magnet

Force factor
Bl
38.27
N/A
Motor constant
Bl/√RE
16.6
N/√W
Air gap height
HAG
18
mm
Diameter
130
mm
Height
14
mm
Material
Neodymium

Diaphragm

Effective diameter
465
mm
Effective area
SD
1700
cm²
Moving mass
MMS
458.8
g
Moving mass (without air load)
MMD
411.4
g
Material
Water Resistant Treated Paper + Water Proof Both Sides Treatment

Suspensions

Stiffness
KMS
19.23
N/mm
Compliance
CMS
52
µm/N
Equivalent volume to the compliance
VAS
215
L
Mechanical resistance
RMS
16.27
N·s/m
Surround material
Polycotton

Dimensions

Nominal diameter
21
530
mm
Volume occupied by the driver
10.55
L
Net weight
17.0
kg
Frame material
Aluminium
LaVoce SAN215.30 SPL & Impedance
LaVoce SAN215.30 Dimensions

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