Morel UW-1258 Paper

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  • Uniflow Aluminum diecast chassis
  • High flux double Ferrite magnet system
  • 5.1" Large Hexatech Aluminum voice coil
  • One piece paper cone/center dome
  • Accucenter self centering cone assembly
  • PFS Progression Field Symmetry spider/surround engineering

Short data

Usage as Woofer
Power Handling 800 Watt
Impedance 8 Ohm
Frequency from 10 Hz
Max. Frequency 2 kHz
Sound pressure 87 dB


Overall dimensions 305 mm
Baffle cutout 270 mm
Depth (Total) 154.3 mm
Frame Material Aluminium diecast
Membrane Type Cone
Membrane Surround Rubber
Membrane Material Paper
Voice coil Ø 130 mm
Voice coil height 37 mm
Voice coil material Aluminium
Air gap height 12 mm
Magnet-inductance 0.64 T


Resonance fs fs: 21 Hz
Mechanical Q Qms: 1.88
Electrical Q Qes: 0.56
Total Q Qts: 0.43
Equivalent Air-Volumen Vas: 138.38 Liter
DC-Resistance Re: 6.8 Ohm
Coil Inductance Le: 1.33 mH
Mech. Compliance Cms: 0.44 mm/N
Moving Mass Mms: 105.49 g
mech. Resistance Rms: 8.15 kg/s-¹
Max. Excursion +/- Xmax: 12.5 mm
BL Product Bl: 13.67 N/A
Membrane Area Sd: 437 cm²
Sound pressure dB: 87 SPL



Technical Dimensions

PDF-Product information

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