Wavecor FR055WA02

Mid-range

Nominal diameter2″ / 51 mm
Resonance145 Hz
Q factor1.07
Sensitivity81.8 dB
Linear excursion± 1.4 mm
Program Power20 W
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 81.8dB
  • Frequency response 145 - 20000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 145Hz
  • 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 1.4mm
  • Air volume displaced at xmax VD 2.1cm³
  • Power handling P 4W
  • Program power Pmax 20W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 6.2Ω
  • Inductance (1kHz) LE 0.13mH
  • VC Diameter 22mm
  • Winding height HVC 4.7mm

Magnet

  • Force factor Bl 2.67N/A
  • Motor constant Bl/√RE 1.07N/√W
  • Air gap height HAG 2mm

Diaphragm

  • Effective diameter 45mm
  • Effective area SD 15.6cm²
  • Moving mass MMS 1.54g
  • Moving mass (without air load) MMD 1.5g

Suspensions

  • Stiffness KMS 1.27N/mm
  • Compliance CMS 785µm/N
  • Equivalent volume to the compliance VAS 0.27L
  • Mechanical resistance RMS 0.16N·s/m

Dimensions

  • Nominal diameter 2
  • 51mm
Wavecor FR055WA02 Impedance
Wavecor FR055WA02 SPL
Wavecor FR055WA02 Distortion
Wavecor FR055WA02 Dimensions

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