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DT 90 8 OHM

Art. No. -
20 mm (0.8") polycarbonate HiFi driver with square shaped front plate for the highrange above 3000 Hz. Balanced frequency response and good omnidirectional sound distribution. High power handling due to ferrofluid-cooled voice-coil.
Technical Data
Sketch
Amplitude & Impedance Frequency
Nominal impedance Z 8 Ohm
Frequency response 2000 - 22000 Hz (-8 dB)
Mean sound pressure level 90 dB (1 W/1 m)
Resonance frequency fs 1900 Hz
Magnetic induction 1.2 Tesla
Magnetic flux 185 µ Weber
Voice coil diameter 2 cm
Height of winding 0.2 cm
Cutout diameter 6.4 cm
Net weight 0.24 kg
D.C. resistance Rdc 6.7 Ohm
Mechanical Q factor Qms 3.07
Electrical Q factor Qes 0.66
Total Q factor Qts 0.54
Effective piston area Sd 3 cm2
Dynamically moved mass Mms 0.2 g
Inductance of the voice coil L 0.12 mH
Peak power handling with high pass 100 Watt (12 dB/Okt.; 4000 Hz)
Nominal power handling with high pass 70 Watt (12 dB/Okt.; 4000 Hz)

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