SEAS OR005-04 FA8RCND/S

Full-range

3″ / 80 mm
Nominal diameter
72 Hz
Resonance
0.36
Q factor
83 dB
Sensitivity
± 4 mm
Linear excursion
12 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
83.0
dB
Frequency response
100 - 20000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
72.0
Hz
Mechanical quality factor
QMS
4.25
Electrical quality factor
QES
0.39
Total quality factor
QTS
0.36

Large signal parameters

Maximum linear excursion
xmax
4.0
mm
Maximum excursion before damage
xlim
4.3
mm
Air volume displaced at xmax
VD
9.5
cm³
Power handling
P
10
W
Program power
Pmax
12
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.4
Ω
Inductance (1kHz)
LE
0.14
mH
VC Diameter
26
mm
Winding height
HVC
8.8
mm

Magnet

Flux density
B
0.61
T
Force factor
Bl
3.3
N/A
Motor constant
Bl/√RE
1.79
N/√W
Air gap height
HAG
3
mm
Diameter
33
mm
Weight
0.031
kg

Diaphragm

Effective diameter
55
mm
Effective area
SD
24
cm²
Moving mass
MMS
2.8
g
Moving mass (without air load)
MMD
2.7
g
Material
Paper

Suspensions

Stiffness
KMS
0.56
N/mm
Compliance
CMS
1770
µm/N
Equivalent volume to the compliance
VAS
1.4
L
Mechanical resistance
RMS
0.29
N·s/m

Dimensions

Nominal diameter
3
80
mm
Overall diameter
75
mm
Baffle cutout diameter
63
mm
Mounting depth
35
mm
Net weight
0.122
kg
SEAS OR005-04 FA8RCND/S SPL & Impedance
SEAS OR005-04 FA8RCND/S Dimensions

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SD
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QTS
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