BC25SC08-04

Transducer Size (Millimeters)25
DC Resistance2.79
Resonant Frequency1663.19
Half Space Sensitivity98.77
Rated Noise Power100
Test Spectrum Bandwidth2.5kHz~20kHz

Transducer Size (Millimeters)25
DC Resistance2.79 Ω±5.0%
Resonant Frequency1663.19 Hz15%
Half Space Sensitivity @ 2.83V98.77 dB±1.01
Sensitivity @ 1W/1m94.9 dB±1.01
Rated Noise Power (IEC 268-5 18.1)100 W
Test Spectrum Bandwidth2.5kHz~20kHz 12 dB/Oc
Effective Piston Area5.1 cm2
Moving Mass0.2 g
Motor Force Factor1.98 T•m
Voice Coil Inner Diameter25.4 mm
Gap Height2 mm
Maximum Linear Excursion0 mm
Ferrofluid TypeAPG027N
Minimum Impedance3.27 Ω±7.5%
Voice Coil Inductance0.02 mH
Mechanical Q Factor4.93
Electrical Q Factor1.53
Total Q Factor1.17
Ratio1425.19 fs/Qts
Energy Bandwidth Product ((1/Qes)•fs)
Suspension Compliance44.3 μm/N
Effective Cone Diameter2.55 cm
Motor Efficiency Factor1.4 (T•m2)/Ω
Voice Coil Former MaterialKSV
Transducer Mass0.08 Kg
Equivalent Volume0 L

This BC family tweeter features a 4 ohm 25 mm voice coil, a damped fabric dome for smooth frequency response performance, and ferrofluid in the gap of the NdFeB motor, providing enhanced cooling of the voice coil. The tweeter comes with a compact faceplate with recessed mounting holes.A finned heat sink has been added for improved power handling.