Morel TIW-638 ND DPC-Membran

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TIW-638 ND


  • Uniflow Aluminum diecast chassis
  • Hybrid Neodymium/Ferrite magnet system
  • Titanium coil bobbin
  • 3" Large Hexatech Aluminum voice coil
  • High power handling
  • High Xmax, Low Qts, Low Fs, High QMS

Short data

Usage as Bass-Midrange
Power Handling 150 Watt
Impedance 8 Ohm
Frequency from 40 Hz
Max. Frequency 4 kHz
Sound pressure 87 dB


Overall dimensions 160 mm
Baffle cutout 140 mm
Depth (Total) 69 mm
Front material Aluminium
Membrane Type Cone
Membrane Surround Rubber
Membrane Material DCP
Voice coil Ø 75 mm
Voice coil height 15.5 mm
Voice coil material Titanium
Air gap height 5 mm
Magnet-inductance 0.81 T


Resonance fs fs: 43 Hz
Mechanical Q Qms: 4.7
Electrical Q Qes: 0.44
Total Q Qts: 0.4
Equivalent Air-Volumen Vas: 15.5 Liter
DC-Resistance Re: 5.4 Ohm
Coil Inductance Le: 0.53 mH
Mech. Compliance Cms: 0.78 mm/N
Moving Mass Mms: 17 g
mech. Resistance Rms: 0.993 kg/s-¹
Max. Excursion +/- Xmax: 5.25 mm
BL Product Bl: 7.7 N/A
Membrane Area Sd: 119 cm²
Sound pressure dB: 87 SPL



Technical Dimensions

PDF-Product information

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