DT 94 - 4 Ohm

Art. No. 9003

20 mm (0.8") polycarbonate HiFi driver with round 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

Nominal impedance Z
4 Ohm
Frequency response
1200–22000 Hz
Mean sound pressure level
90 dB (1 W/1 m)
Opening angle (-6 dB)
84°/8000 Hz
Resonance frequency fs
1900 Hz
Magnetic induction
1.2 T
Magnetic flux
185 µWb
Height of front pole-plate
2.5 mm
Voice coil diameter
20 mm
Height of winding
2 mm
Cutout diameter
64 mm
Net weight
0.24 kg
D.C. resistance Rdc
3.1 Ohm
Mechanical Q factor Qms
3
Electrical Q factor Qes
0.6
Total Q factor Qts
0.5
Effective piston area Sd
3 cm²
Dynamically moved mass Mms
0.2 g
Inductance of the voice coil L
0.09 mH
Peak power handling with high pass
100 W (12 dB/Okt.; 4000 Hz)80 W (12 dB/Okt.; 2000 Hz)
Nominal power handling with high pass
70 W (12 dB/Okt.; 4000 Hz)50 W (12 dB/Okt.; 2000 Hz)
Frequency- and impedance response
Directivity pattern