Wavecor TW022WA05, 4 OHM Dome Tweeter


manufacturer information

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TW022WA05

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.

Innovation
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.

FEATURES

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

Chassis-data

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

Thiele-Small-Parameter

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

Frequency

Impedance

Technical drawing

PDF-Product information

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