BC25SC55-04

Transducer Size (Millimeters)25
DC Resistance2.74
Resonant Frequency1401.51
Half Space Sensitivity93.34
Rated Noise Power100
Test Spectrum Bandwidth1.4kHz - 20kHz

Transducer Size (Millimeters) 25
DC Resistance 2.74 Ω±5.0%
Resonant Frequency 1401.51 Hz15%
Half Space Sensitivity @ 2.83V93.34 dB±1.01
Sensitivity @ 1W/1m89.6 dB±1.01
Rated Noise Power (IEC 268-5 18.1)100 W
Test Spectrum Bandwidth 1.4kHz - 20kHz 12 dB/Oc
Effective Piston Area 7.1 cm2
Moving Mass 0.4 g
Motor Force Factor 2.18 T•m
Voice Coil Inner Diameter 25.4 mm
Gap Height 2 mm
Maximum Linear Excursion 0 mm
Ferrofluid Type APG O27n
Minimum Impedance 3.36 Ω±7.5%
Voice Coil Inductance 0.02 mH
Mechanical Q Factor 3.82
Electrical Q Factor 1.83
Total Q Factor 1.24
Ratio 1134.82 fs/Qts
Energy Bandwidth Product ((1/Qes)•fs)767.12
Suspension Compliance 35.8 μm/N
Effective Cone Diameter 3 cm
Motor Efficiency Factor 1.7 (T•m2)/Ω
Voice Coil Former Material ASV
Transducer Mass 0.08 Kg
Equivalent Volume 0 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 neodymium magnet motor, providing enhanced cooling of the voice coil. The tweeter comes with a compact faceplate with recessed mounting holes, complete with sealing gasket which helps in reducing vibration between baffle and driver. A finned heat sink has been added for improved power handling.