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TW 70 - 8 Ohm

Art. No. 9002

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.

*Gross price for private customers. Industrial prices are available on request.
Technical Data
Amplitude & Impedance Frequency
Directivity pattern
Nominal impedance Z 8 Ohm
Frequency response 800–20000 Hz
Mean sound pressure level 90 dB (1 W/1 m)
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
D.C. 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 (-)
Peak power handling with high pass 100 W (12 dB/Okt.; 5000 Hz)60 W (12 dB/Okt.; 3000 Hz)
Nominal power handling with high pass 80 W (12 dB/Okt.; 5000 Hz)40 W (12 dB/Okt.; 3000 Hz)

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