LaVoce FSN021.02

Full-range

2″ / 50 mm
Nominal diameter
151 Hz
Resonance
0.68
Q factor
83 dB
Sensitivity
± 2.5 mm
Linear excursion
50 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
83.2
dB
Frequency response
140 - 20000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
151
Hz
Mechanical quality factor
QMS
5.50
Electrical quality factor
QES
0.77
Total quality factor
QTS
0.68

Large signal parameters

Maximum linear excursion
xmax
2.5
mm
Maximum excursion before damage
xlim
2.7
mm
Air volume displaced at xmax
VD
4.8
cm³
Power handling
P
25
W
Program power
Pmax
50
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.7
Ω
Inductance (1kHz)
LE
0.1
mH
VC Diameter
25
mm
Winding height
HVC
6.4
mm
Winding material
Copper Clad Aluminium
Former material
Polyimide

Magnet

Force factor
Bl
3.44
N/A
Motor constant
Bl/√RE
1.44
N/√W
Air gap height
HAG
3
mm
Diameter
25
mm
Height
5
mm
Material
Neodymium

Diaphragm

Effective diameter
49
mm
Effective area
SD
19
cm²
Moving mass
MMS
1.7
g
Moving mass (without air load)
MMD
1.7
g
Material
Aluminium

Suspensions

Stiffness
KMS
1.54
N/mm
Compliance
CMS
650
µm/N
Equivalent volume to the compliance
VAS
0.33
L
Mechanical resistance
RMS
0.29
N·s/m
Surround material
Rubber

Dimensions

Nominal diameter
2
50
mm
Volume occupied by the driver
0.026
L
Net weight
0.15
kg
Frame material
Steel
LaVoce FSN021.02 SPL & Impedance
LaVoce FSN021.02 Dimensions

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