REDCATT 22NFR

Full-range

Nominal diameter2″ / 61 mm
Resonance255 Hz
Q factor0.85
Sensitivity83.9 dB
Linear excursion± 1.8 mm
Program Power40 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

Specifications

  • Sensitivity (1W, 1m, infinite baffle) SPL1W 83.9dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 255Hz
  • Mechanical quality factor QMS 6.46
  • Electrical quality factor QES 0.98
  • Total quality factor QTS 0.85

Large signal parameters

  • Maximum linear excursion (one way) xmax 1.8mm
  • Air volume displaced at xmax VD 2.9cm³
  • Power handling P 20W
  • Program power Pmax 40W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.6Ω
  • Inductance (1kHz) LE 0.06mH
  • VC Diameter 25.4mm
  • Winding height HVC 5.5mm
  • Winding material Copper Clad Aluminium
  • Former material kapton

Magnet

  • Force factor Bl 3.91N/A
  • Motor constant Bl/√RE 1.65N/√W
  • Air gap height HAG 4mm
  • Material Neodymium

Diaphragm

  • Effective diameter 45mm
  • Effective area SD 15.9cm²
  • Moving mass MMS 1.67g
  • Moving mass (without air load) MMD 1.6g
  • Material Paper

Suspensions

  • Stiffness KMS 4.29N/mm
  • Compliance CMS 233µm/N
  • Equivalent volume to the compliance VAS 0.08L
  • Mechanical resistance RMS 0.41N·s/m
  • Surround material Fabric
  • Spider material Conex

Dimensions

  • Nominal diameter 2
  • 61mm
  • Overall diameter 61mm
  • Baffle cutout diameter 52mm
  • Mounting depth 36mm
  • Net weight 0.12kg
REDCATT 22NFR SPL & Impedance
REDCATT 22NFR Dimensions

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