Wavecor FR055WA03

Full-range

2″ / 55 mm
Nominal diameter
128 Hz
Resonance
0.51
Q factor
83 dB
Sensitivity
± 1.35 mm
Linear excursion
20 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
82.6
dB
Frequency response
128 - 20000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
128
Hz
Mechanical quality factor
QMS
8.10
Electrical quality factor
QES
0.55
Total quality factor
QTS
0.51

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
4
Ω
DC resistance
RE
3.1
Ω
Inductance (1kHz)
LE
0.06
mH
VC Diameter
22
mm
Winding height
HVC
4.7
mm

Magnet

Force factor
Bl
2.7
N/A
Motor constant
Bl/√RE
1.53
N/√W
Air gap height
HAG
2
mm
Diameter
29
mm
Weight
0.027
kg

Diaphragm

Effective diameter
45
mm
Effective area
SD
16
cm²
Moving mass
MMS
1.6
g
Moving mass (without air load)
MMD
1.6
g
Material
Black anodized aluminum

Suspensions

Stiffness
KMS
1.04
N/mm
Compliance
CMS
960
µm/N
Equivalent volume to the compliance
VAS
0.33
L
Mechanical resistance
RMS
0.16
N·s/m

Dimensions

Nominal diameter
2
55
mm
Overall diameter
55
mm
Baffle cutout diameter
51
mm
Mounting depth
30
mm
Net weight
0.083
kg
Frame material
Polymer
Wavecor FR055WA03 Impedance
Wavecor FR055WA03 SPL
Wavecor FR055WA03 Distortion
Wavecor FR055WA03 Dimensions

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fS
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