EASTECH FSB520508-1800

Woofer

1.5x3.5″/ 40x85 mm
Nominal size
173 Hz
Resonance
1.15
Q factor
80 dB
Sensitivity
± 0.8 mm
Linear excursion
10 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
80.3
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
173
Hz
Mechanical quality factor
QMS
6.34
Electrical quality factor
QES
1.40
Total quality factor
QTS
1.15

Large signal parameters

Maximum linear excursion
xmax
0.8
mm
Air volume displaced at xmax
VD
1.4
cm³
Power handling
P
5
W
Program power
Pmax
10
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
7.8
Ω
Inductance (1kHz)
LE
0.41
mH
VC Diameter
16
mm
Winding height
HVC
4.6
mm
Winding material
EISVW
Former material
Kapton

Magnet

Force factor
Bl
4.4
N/A
Motor constant
Bl/√RE
1.57
N/√W
Air gap height
HAG
3
mm
Material
Ferrite

Diaphragm

Effective diameter
47
mm
Effective area
SD
17
cm²
Moving mass
MMS
3.2
g
Moving mass (without air load)
MMD
3.2
g
Material
Paper

Suspensions

Stiffness
KMS
3.75
N/mm
Compliance
CMS
267
µm/N
Equivalent volume to the compliance
VAS
0.114
L
Mechanical resistance
RMS
0.545
N·s/m
Surround material
Rubber

Dimensions

Nominal size
1.5 x 3.5
40 x 85
mm
Net weight
0.176
kg
Frame material
Steel
EASTECH FSB520508-1800 SPL & Impedance
EASTECH FSB520508-1800 Dimensions

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Similar woofers to EASTECH FSB520508-1800

Dayton Audio RS75-8 Full-range
3Full-range
fS
185 Hz
SD
12 cm²
160 - 20000 Hz
QTS
1.07
xmax
1.3 mm
SPL1W
81 dB
Bl/√RE
1.02
Pmax
30 W