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Wavecor TW022WA02 22 mm textile tweeter 4 ohm View larger

Wavecor TW022WA02 22 mm textile tweeter 4 ohm

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Wavecor TW022WA02 22 mm textile tweeter 4 ohm

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TW022WA02 is a compact 22 mm neodymium tweeter for applications, where small size is important, while still requiring the highest level of performance

The best of two worlds?
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 preferred.

In order to keep distortion and resonance frequency low the TW022WA02 is designed around a small external neodymium ring magnet to allow for a larger internal volume than that of traditional neodymium tweeters.
.
There is a version of TW022WA02 without face plate available for manufacturers, for building the unit directly into the cabinet baffle. The part number of this version is TW022WA01 and the electrical/acoustical specifications are identical to that of TW022WA02.

    • 22 mm design for optimal compromise between on- and off-axis frequency response, resonance frequency, and power handling
    • External ring neodymium magnet for lower 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
    • 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
    • TW022WA02-SPL

TW022WA02-impedance

Notes

  Parameter

Value

Unit

 

Nominal size

22

[mm]

 

Nominal impedance

4

[ohm]

 

Recommended frequency range

2.5 - 30

[kHz]

1, 4

Sensitivity, 2.83V/1m (average SPL in range 2 - 20 kHz)

88.5

[dB]

2

Power handling, short term, IEC 268-5, 3.0kHz@12dB/oct.

 

[W]

2

Power handling, long term, IEC 268-5, 3.0kHz@12dB/oct.

 

[W]

2

Power handling, continuous, IEC 268-5, 3.0kHz@12dB/oct.

 

[W]

6

Effective radiating area, Sd

6.1

[sq.cm]

3, 4

Resonance frequency (free air, no baffle), Fs

1,150

[Hz]

7

Moving mass, incl. air (free air, no baffle), Mms

0.28

[g]

3

Force factor, Bxl

1.33

[N/A]

3, 4

Suspension compliance, Cms

68

m/N]

3, 4

Equivalent air volume, Vas

3.6

[ml]

3, 4

Mechanical resistance, Rms

1.33

[Ns/m]

3, 4

Mechanical Q, Qms

1.53

[-]

3, 4

Electrical Q, Qes

4.1

[-]

3, 4

Total Q, Qts

1.11

[-]

4

Voice coil resistance, RDC

3.6

[ohm]

5

Voice coil inductance, Le (measured at 20 kHz)

36

[μH]

 

Voice coil inside diameter

22

[mm]

 

Voice coil winding height

1.6

[mm]

 

Air gap height

2.5

[mm]

 

Theoretical linear motor stroke, Xmax

±0.45

[mm]

 

Magnet weight

 

[g]

 

Total unit net weight excl. packaging

0.06

[kg]

3, 5

Krm

2.5

[μohm]

3, 5

Erm

1.14

[-]

3, 5

Kxm

3.0

[mH]

3, 5

Exm

0.56

[-]

TW022WA02-Harmonic-DistortionTW022WA02-outline-drawingTW022WA01_02-terminals

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