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BC25SC08-04 BC25SC08-04 BC25SC08-04


Platform: Tymphany
Driver Type: Tweeter
Size: 25 mm
Motor: Turbo Neodymium
Frame: Plastic Faceplate
Impedance: 4 Ω
Diaphragm: Fabric

Frequency & Impedance Response


Technical Specifications

Driver Size 25 mm
DC Resistance 2.79 Ω ±5.0%
Resonant Frequency 1663.19 Hz 15%
Half Space Sensitivity @ 2.83V 98.77 dB ±1.01
Sensitivity @ 1W/1m 94.9 dB ±1.01
Rated Noise Power (IEC 268-5 18.1) 100 W
Test Spectrum Bandwidth 2.5kHz~20kHz 12 dB/Oct
Effective Piston Area 5.1 cm2
Moving Mass 0.2 g
Motor Force Factor 1.98 T•m
Voice Coil Inner Diameter 25.4 mm
Gap Height 2 mm
Maximum Linear Excursion 0 mm
Ferrofluid Type APG027N
Minimum Impedance   3.27 Ω ±7.5%
Voice Coil Inductance 0.02 mH
Mechanical Q Factor 4.93
Electrical Q Factor 1.53
Total Q Factor 1.17
Ratio 1425.19 fs/Qts
Energy Bandwidth Product ((1/Qes)•fs)
Suspension Compliance 44.3 μm/N
Effective Cone Diameter 2.55 cm
Motor Efficiency Factor 1.4 (T•m2)/Ω
Voice Coil Former Material KSV
Driver Mass 0.08 Kg
Equivalent Volume 0 L

Product Info

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.

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