TW030WA13 and TW030WA14 are true high-end tweeters designed for the most demanding applications featuring an array of performance improving details that participate in obtaining low resonance frequency, low distortion and very high frequency extension
- Precision textile dome ensuring extended response and very good consistency
- 30 mm voice coil design with high power handling, and low resonance frequency
- Copper clad center pole yielding very low voice coil inductance for reduced distortion and increased high frequency output
- Vented through to a damped rear chamber for low resonance frequency and low distortion
- Internal volumes for low resonance frequency and low distortion
- Optimized dome shape for ultra high frequency cut-off
- Rear heat sink for increased long term power handling
- 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
- Built-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
Notes
Parameter
TW030WA13
TW030WA14
Unit
Nominal size
30
30
[mm]
Nominal impedance
4
8
[ohm]
Recommended frequency range
2 - 30
2 - 30
[kHz]
1, 4
Sensitivity, 2.83V/1m (average SPL in range 2 - 20 kHz)
93.5
90.5
[dB]
2
Power handling, short term, IEC 268-5, 2.5 kHz@12dB/oct.
[W]
2
Power handling, long term, IEC 268-5, 2.5 kHz@12dB/oct.
[W]
2
Power handling, continuous, IEC 268-5, 2.5 kHz@12dB/oct.
35
35
[W]
Effective radiating area, Sd
11.5
11.5
[sq.cm]
3, 4, 6
Resonance frequency (free air, no baffle), Fs
690
715
[Hz]
Moving mass, incl. air (free air, no baffle), Mms
0.43
0.40
[g]
3
Force factor, Bxl
1.95
2.25
[N/A]
3, 4, 6
Suspension compliance, Cms
0.124
0.124
[mm/N]
3, 4, 6
Equivalent air volume, Vas
23
23
[mlit.]
3, 4, 6
Mechanical resistance, Rms
0.76
0.76
[Ns/m]
3, 4, 6
Mechanical Q, Qms
2.45
2.37
[-]
3, 4, 6
Electrical Q, Qes
1.72
2.31
[-]
3, 4, 6
Total Q, Qts
1.01
1.17
[-]
4
Voice coil resistance, RDC
3.5
6.5
[ohm]
5
Voice coil inductance, Le(measured at 20 kHz)
33
59
[μH]
Voice coil inside diameter
30.4
30.4
[mm]
Voice coil winding height
1.7
1.7
[mm]
Air gap height
3.0
3.0
[mm]
Theoretical linear motor stroke, Xmax
±0.65
±0.65
[mm]
Magnet weight
[g]
Total unit net weight excl. packaging
0.13
0.13
[kg]
3, 4, 5
Krm
4.1
4.4
[mohm]
3, 4, 5
Erm
0.48
0.48
[-]
3, 4, 5
Kxm
197
726
[mH]
3, 4, 5
Exm
0.11
0.0
[-]
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