2″ / 51 mm
Nominal diameter
145 Hz
Resonance
1.07
Q factor
82 dB
Sensitivity
± 1.35 mm
Linear excursion
20 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
81.8
dB
Frequency response
145 - 20000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
145
Hz
Mechanical quality factor
QMS
8.80
Electrical quality factor
QES
1.22
Total quality factor
QTS
1.07
Large signal parameters
Maximum linear excursion
xmax
1.35
mm
Air volume displaced at xmax
VD
2.1
cm³
Power handling
P
4
W
Program power
Pmax
20
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.2
Ω
Inductance (1kHz)
LE
0.13
mH
VC Diameter
22
mm
Winding height
HVC
4.7
mm
Magnet
Force factor
Bl
2.67
N/A
Motor constant
Bl/√RE
1.07
N/√W
Air gap height
HAG
2
mm
Diaphragm
Effective diameter
45
mm
Effective area
SD
16
cm²
Moving mass
MMS
1.5
g
Moving mass (without air load)
MMD
1.5
g
Suspensions
Stiffness
KMS
1.27
N/mm
Compliance
CMS
785
µm/N
Equivalent volume to the compliance
VAS
0.27
L
Mechanical resistance
RMS
0.16
N·s/m
Dimensions
Nominal diameter
2
″
51
mm
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Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar speaker drivers to Wavecor FR055WA02
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2″Mid-range
fS
142 Hz
SD
16 cm²
142 - 20000 Hz
QTS
0.91
xmax
1.4 mm
SPL1W
81 dB
Bl/√RE
1.19
Pmax
20 W
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Fostex P650K8 Ω
2.6″Full-range
fS
157 Hz
SD
21 cm²
157 - 20000 Hz
QTS
0.99
xmax
0.5 mm
SPL1W
83 dB
Bl/√RE
1.13
Pmax
15 W
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2.5″Full-range
fS
160 Hz
SD
22 cm²
100 - 20000 Hz
QTS
1.10
xmax
2.0 mm
SPL1W
84 dB
Bl/√RE
1.1
Pmax
40 W