EASTECH FSB012030-0800

Full-range

3″ / 76 mm
Nominal diameter
140 Hz
Resonance
0.82
Q factor
93 dB
Sensitivity
± 1.85 mm
Linear excursion
40 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
93.2
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
140
Hz
Mechanical quality factor
QMS
8.97
Electrical quality factor
QES
0.90
Total quality factor
QTS
0.82

Large signal parameters

Maximum linear excursion
xmax
1.85
mm
Air volume displaced at xmax
VD
5.8
cm³
Power handling
P
20
W
Program power
Pmax
40
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
7.8
Ω
Inductance (1kHz)
LE
0.22
mH
VC Diameter
20
mm
Winding height
HVC
7.2
mm
Winding material
Copper Clad Aluminium
Former material
Kapton

Magnet

Force factor
Bl
4.21
N/A
Motor constant
Bl/√RE
1.51
N/√W
Air gap height
HAG
3.5
mm
Material
Ferrite

Diaphragm

Effective diameter
62
mm
Effective area
SD
31
cm²
Moving mass
MMS
1
g
Moving mass (without air load)
MMD
0.8
g
Material
Dual-Concentric Coaxial Paper

Suspensions

Stiffness
KMS
2.15
N/mm
Compliance
CMS
466
µm/N
Equivalent volume to the compliance
VAS
0.641
L
Mechanical resistance
RMS
0.229
N·s/m
Surround material
Cloth

Dimensions

Nominal diameter
3
76
mm
Volume occupied by the driver (estimated)
0.18
L
Net weight
0.479
kg
Frame material
Plastic
EASTECH FSB012030-0800 SPL & Impedance
EASTECH FSB012030-0800 Dimensions

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SD
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