Wavecor TW022WA05, 4 OHM Dome Tweeter

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22mm textile tweeter, low resonance, 4 ohm

TW022WA05 is a tweeter designed for applications requiring the highest level of performance and most extended and linear high frequency response.


Tweeters used to feature a separate rear chamber in order to obtain low resonance frequency. Not any longer. By designing the internal parts to accommodate new larger internal volumes, the TW022WA05 offers an unusually low  resonance frequency.

The design with 22 mm voice coil and wide surround caters for both applications that would normally require traditional ¾ tweeters and those, where 1 tweeters would usually be used.

  • 22 mm design for optimal compromise between on- and off-axis frequency response, resonance frequency, and power handling
  • Internal volumes for low resonance frequency and distortion
  • Precision-coated textile diaphragm for improved consistency and high-frequency extension
  • Optimized dome shape for ultra high frequency cutoff
  • Vented voice coil former for reduced distortion and compression
  • Copper-clad aluminium voice coil wire offering lower moving mass for improved efficiency and transient response
  • Build-in cavities under dome/edge to equalize pressure for lower distortion and lower resonance frequency
  • Flexible lead wires for higher power handling and larger excursion
  • Gold plated terminals to prevent oxidation and ensure long-term reliable connection
  • Delivered with foam gasket attached for hassle-free mounting and secure cabinet sealing

Short data

Usage as Tweeter
Power Handling 80 Watt
Impedance 4 Ohm
Frequency from 2500 Hz
Max. Frequency 25 kHz
Sound pressure 91.5 dB


Overall dimensions 103.78 mm
Baffle cutout 81 mm
Depth (Total) 29 mm
Front material Plastic
Membrane Type Dome
Membrane Material Textile coated
Voice coil Ø 22 mm
Voice coil height 1.8 mm
Air gap height 2.5 mm
Magnet-weight 139 g


Resonance fs fs: 750 Hz
Mechanical Q Qms: 5.3
Electrical Q Qes: 1.36
Total Q Qts: 1.08
Equivalent Air-Volumen Vas: 0.0085 Liter
DC-Resistance Re: 3.7 Ohm
Coil Inductance Le: 0.036 mH
Mech. Compliance Cms: 0.16 mm/N
Moving Mass Mms: 0.28 g
mech. Resistance Rms: 0.25 kg/s-¹
Max. Excursion +/- Xmax: 0.35 mm
BL Product Bl: 1.9 N/A
Membrane Ø Md: 22
Membrane Area Sd: 6.1 cm²
Sound pressure dB: 91.5 SPL



Technical drawing

PDF-Product information

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