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Visaton Speaker Driver - TW 70 - 8 Ohm Cone Tweeter
Art. No. 9002
Visaton TW70 - 8 Ohm Cone Tweeter.
Characteristics and Sound Properties
Cone tweeter with special basket for the high-frequency range above 5000 Hz. Balanced frequency response with brilliant highs and high power handling.
Due to the sealed rear no separate high-frequency range housing construction necessary. Especially suitable as replacement unit for many HiFi speakers.
Technical Specifications
| Nominal power handling with high pass | 80 W (12 dB/Oct.; 5000 Hz) 40 W (12 dB/Oct.; 3000 Hz) |
| Peak power handling with high pass | 100 W (12 dB/Oct.; 5000 Hz) 60 W (12 dB/Oct.; 3000 Hz) |
| Nominal impedance Z | 8 Ohm |
| Frequency response | 800–20000 Hz |
| Mean sound pressure level | 90 dB (1W/1m) |
| Opening angle (-6 dB) | 82°/4000 Hz |
| Excursion limit | ± 0.5 mm |
| Resonance frequency fs | 1500 Hz |
| Magnetic induction | 0.96 T |
| Magnetic flux | 134 µWb |
| Height of front pole-plate | 2.5 mm |
| Voice coil diameter | 14 mm |
| Height of winding | 2.5 mm |
| Cutout diameter | 64 mm |
| Net weight | 0.165 kg |
| DC resistance Rdc | 7.0 Ohm |
| Mechanical Q factor Qms | 1.26 |
| Electrical Q factor Qes | 4.21 |
| Total Q factor Qts | 0.97 |
| Effective piston area Sd | 20 cm2 |
| Inductance of the voice coil L | 0.16 mH |
| Connections | 4.8 x 0.8 mm (+) 2.8 x 0.8 mm (−) |
Driver Dimensions
Loudspeaker Driver Dimensions and Measurements - all dimensions in mm (approx.)
Frequency and Impedance Response
Loudspeaker Frequency and Impedance Response Graph
Directivity Pattern
Loudspeaker Directivity Pattern (on and off axis response)
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