Ciare FXI6.38MR

Mid-range

Nominal diameter6.5″ / 165 mm
Resonance155 Hz
Q factor0.51
Sensitivity93.3 dB
Linear excursion± 3 mm
Program Power300 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 93.3dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 155Hz
  • Mechanical quality factor QMS 2.90
  • Electrical quality factor QES 0.62
  • Total quality factor QTS 0.51

Large signal parameters

  • Maximum linear excursion xmax 3mm
  • Air volume displaced at xmax VD 44cm³
  • Power handling P 130W
  • Program power Pmax 300W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 4.8Ω
  • Inductance (1kHz) LE 1.1mH
  • VC Diameter 38mm
  • Winding height HVC 9mm
  • Former material Kapton

Magnet

  • Force factor Bl 9.9N/A
  • Motor constant Bl/√RE 4.52N/√W
  • Air gap height HAG 6mm

Diaphragm

  • Effective diameter 137mm
  • Effective area SD 147cm²
  • Moving mass MMS 13g
  • Moving mass (without air load) MMD 11.7g
  • Material Doped cellulose fiber

Suspensions

  • Stiffness KMS 12.3N/mm
  • Compliance CMS 81µm/N
  • Equivalent volume to the compliance VAS 2.5L
  • Mechanical resistance RMS 4.37N·s/m
  • Surround material Nomex Fabric
  • Spider material Cotton fabric

Dimensions

  • Nominal diameter 6.5
  • 165mm
  • Overall diameter 162mm
  • Baffle cutout diameter 145mm
  • Overall depth 82mm
  • Flange thickness 9mm
  • Mounting depth 73mm
  • Volume occupied by the driver (estimated) 0.54L
  • Net weight 1.68kg
  • Frame material Aluminium
Ciare FXI6.38MR Impedance
Ciare FXI6.38MR SPL
Ciare FXI6.38MR Dimensions

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