Wavecor TW022WA06, 4 OHM Dome Tweeter

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22 mm textile tweeter, ferro fluid, 4 ohm

TW022WA06 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 TW022WA06 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
Light high-stability ferro fluid for increased power handling
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 150 Watt
Impedance 4 Ohm
Frequency from 2500 Hz
Max. Frequency 25 kHz
Sound pressure 90.5 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
Air gap filling Ferrofluid
Magnet-weight 139 g


Resonance fs fs: 750 Hz
Mechanical Q Qms: 2.5
Electrical Q Qes: 1.45
Total Q Qts: 0.92
Equivalent Air-Volumen Vas: 0.0079 Liter
DC-Resistance Re: 3.7 Ohm
Coil Inductance Le: 0.036 mH
Mech. Compliance Cms: 0.15 mm/N
Moving Mass Mms: 0.3 g
mech. Resistance Rms: 0.57 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: 90.5 SPL



Technical drawing

PDF-Product information

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