CT 25 4 OHM

25 mm metal dome tweeter with Ferro-fluid-cooled voice-coil, featuring a linear frequency response and a good pulse response. Exact reproduction of the complete high range band, transparent and detailed performance even at highest levels and good omnidirectional sound distribution. Installation: Very flexible due to the swivel mounting ring for car doors and dash boards. Mounting accessories are included.

No longer available.

Technical Data

Nominal impedance Z
4 Ohm
Frequency response
1000 - 22000 Hz (-8 dB)
Mean sound pressure level
90 dB (1 W/1 m)
Resonance frequency fs
1300 Hz
Voice coil diameter
2.5 cm
Net weight
0.093 kg
D.C. resistance Rdc
3.2 Ohm
Mechanical Q factor Qms
2.54
Electrical Q factor Qes
2.92
Total Q factor Qts
1.36
Inductance of the voice coil L
0.71 mH
Peak power handling with high pass
120 Watt (12 dB/Okt.; 4000 Hz)
Nominal power handling with high pass
80 Watt (12 dB/Okt.; 4000 Hz)
Frequency- and impedance response