Morel Classic Advanced CAW 638

Woofer

Nominal diameter6″ / 160 mm
Resonance43 Hz
Q factor0.46
Sensitivity85.8 dB
Linear excursion± 4.3 mm
Program power300 W
Frequency
Hz
Impedance
Ω
Impedance phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical phase
°
Group delay
ms
Transient response
ms
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Specifications

  • Sensitivity (1W, 1m, infinite baffle) SPL1W 85.8dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 43Hz
  • Mechanical quality factor QMS 2.20
  • Electrical quality factor QES 0.58
  • Total quality factor QTS 0.46

Large signal parameters

  • Maximum linear excursion (one way) xmax 4.3mm
  • Air volume displaced at xmax VD 51cm³
  • Power handling P 150W
  • Program power Pmax 300W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 6.4Ω
  • Inductance (1kHz) LE 0.63mH
  • VC Diameter 75mm
  • Winding height HVC 14.5mm
  • Winding material Hexatech™ Aluminum
  • Former material Aluminum

Magnet

  • Flux density B 0.72T
  • Force factor Bl 7.3N/A
  • Motor constant Bl/√RE 2.89N/√W
  • Air gap height HAG 6mm
  • Material High flux double ferrite vented

Diaphragm

  • Effective diameter 123mm
  • Effective area SD 119cm²
  • Moving mass (including air load) MMS 16g
  • Moving mass MMD 15g
  • Material Damped polymer composite

Suspensions

  • Stiffness KMS 1.26N/mm
  • Compliance CMS 792µm/N
  • Equivalent volume to the compliance VAS 15.7L
  • Mechanical resistance RMS 2.04N·s/m

Dimensions

  • Nominal diameter 6
  • 160mm
  • Overall diameter 160mm
  • Baffle cutout diameter 140mm
  • Overall depth 69mm
  • Flange thickness 6mm
  • Mounting depth 63mm
  • Volume occupied by the driver (estimated) 0.38L
  • Net weight 1.2kg
Morel CAW 638 Impedance
Morel CAW 638 SPL

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