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.
No longer available.

sketch

frequency- and impedance response

Technical Data:
Nominal power handling with high pass	70 Watt (12 dB/Okt.; 4000 Hz)
Peak power handling with high pass	100 Watt (12 dB/Okt.; 4000 Hz)
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

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