2.5″ / 60 mm
Nominal diameter
109 Hz
Resonance
0.51
Q factor
82 dB
Sensitivity
± 4.3 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
Sensitivity (1w, 1m, infinite baffle)
SPL1W
82.1
dB
Frequency response
200 - 20000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
109
Hz
Mechanical quality factor
QMS
3.33
Electrical quality factor
QES
0.60
Total quality factor
QTS
0.51
Large signal parameters
Maximum linear excursion
xmax
4.3
mm
Maximum excursion before damage
xlim
4.6
mm
Air volume displaced at xmax
VD
7.5
cm³
Power handling
P
10
W
Program power
Pmax
12
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
4.0
Ω
Inductance (1kHz)
LE
0.13
mH
VC Diameter
20
mm
Winding height
HVC
9
mm
Magnet
Flux density
B
0.626
T
Force factor
Bl
2.9
N/A
Motor constant
Bl/√RE
1.46
N/√W
Air gap height
HAG
3
mm
Diameter
27
mm
Weight
0.023
kg
Diaphragm
Effective diameter
47
mm
Effective area
SD
17
cm²
Moving mass
MMS
1.8
g
Moving mass (without air load)
MMD
1.8
g
Suspensions
Stiffness
KMS
0.85
N/mm
Compliance
CMS
1180
µm/N
Equivalent volume to the compliance
VAS
0.5
L
Mechanical resistance
RMS
0.37
N·s/m
Dimensions
Nominal diameter
2.5
″
60
mm
Overall diameter
56
mm
Baffle cutout diameter
52
mm
Mounting depth
35
mm
Net weight
0.085
kg
Similar speaker drivers to SEAS OR002-04 FA6RBND/S
2.5″Full-range
fS
113 Hz
SD
23 cm²
110 - 20000 Hz
QTS
0.44
xmax
2.0 mm
SPL1W
83 dB
Bl/√RE
1.85
Pmax
40 W
2.5″Full-range
fS
114 Hz
SD
23 cm²
110 - 20000 Hz
QTS
0.50
xmax
2.0 mm
SPL1W
83 dB
Bl/√RE
1.72
Pmax
40 W
2.5″Full-range
fS
117 Hz
SD
17 cm²
200 - 20000 Hz
QTS
0.55
xmax
4.4 mm
SPL1W
81 dB
Bl/√RE
1.62
Pmax
12 W