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.

Technical Data

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)
Frequency- and impedance response