Wavecor WF118WA01 Paper 4 OHM

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Nominal impedance is 4 ohm for WF118WA01. WF118WA01 is a mid/woofer designed for demanding bass and midrange applications. It works equally well for high-end hi-fi, high quality home theater systems, and top multimedia setups. Powered by a large 85mm magnet structure that ensures good efficiency and optimal T/S parameters.
The large 32mm voice coil ensures high power handling - thermally and mechanically.
The optimized paper cone ensures large bandwidth and low distortion. Distortion is further reduced by efficient venting and an alu shorting ring stabilizing the magnetic field in the air gap. WF118WA01 is excellent choice for very compact 2-way speaker systems or even as midrange in multi-way systems.

  • Alu field-stabilizing ring inside magnet assembly for reduced distortion at high levels
  • Vented voice coil former for reduced distortion and compression
  • New vented chassis for lower air flow speed reducing audible distortion
  • Voice coil wound with Copper Clad Aluminium Wire for higher efficiency and better dynamics
  • Heavy-duty black fiber glass voice coil bobbin to increase power handling and reduce mechanical losses resulting in better dynamic performance and low-level details
  • Large motor system with 1¼” voice coil diameter and 85mm magnet for better control and efficiency
  • Black magnet parts for better heat transfer to increase power handling
  • Long linear stroke motor for reduced distortion at high levels
  • New progressive suspension with specially designed CONEX damper (spider) for long durability under extreme operating conditions
  • Gold plated terminals to prevent oxidation for long-term reliable connection

Short data

Usage as Bass-Midrange
Power Handling 50 Watt
Impedance 4 Ohm
Frequency from 60 Hz
Max. Frequency 4 kHz
Sound pressure 87 dB


Overall dimensions 118 mm
Baffle cutout 92.5 mm
Depth (Total) 57 mm
Frame Material Steel plate
Membrane Type Cone
Membrane Material Paper coated
Voice coil Ø 32 mm
Voice coil height 11 mm
Voice coil material Fibreglass
Air gap height 5 mm
Magnet Ø 85 mm
Magnet-weight 325 g


Resonance fs fs: 64 Hz
Mechanical Q Qms: 8.8
Electrical Q Qes: 0.38
Total Q Qts: 0.36
Equivalent Air-Volumen Vas: 4.3 Liter
DC-Resistance Re: 3.2 Ohm
Coil Inductance Le: 0.16 mH
Mech. Compliance Cms: 1 mm/N
Moving Mass Mms: 6.2 g
mech. Resistance Rms: 0.28 kg/s-¹
Max. Excursion +/- Xmax: 3 mm
BL Product Bl: 4.6 N/A
Membrane Area Sd: 55 cm²
Sound pressure dB: 87 SPL

Frequency & Impedance

Technical Dimensions

PDF-Product information

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