Transducer Size (Millimeters)25
DC Resistance4.66
Resonant Frequency1579.09
Half Space Sensitivity88.66
Rated Noise Power30
Test Spectrum Bandwidth1.3KHz-20KHz

Transducer Size (Millimeters) 25
DC Resistance 4.66 Ω±5.0%
Resonant Frequency 1579.09 Hz15%
Half Space Sensitivity @ 2.83V88.66 dB±1.01
Sensitivity @ 1W/1m87.4 dB±1.01
Rated Noise Power (IEC 268-5 18.1)30 W
Test Spectrum Bandwidth 1.3KHz-20KHz 12 dB/Oc
Effective Piston Area 7.1 cm2
Moving Mass 0.4 g
Motor Force Factor 2.53 T•m
Voice Coil Inner Diameter 25.79 mm
Gap Height 2.5 mm
Maximum Linear Excursion 0.5 mm
Ferrofluid Type APG834
Minimum Impedance 5.99 Ω±7.5%
Voice Coil Inductance 0.02 mH
Mechanical Q Factor 1.11
Electrical Q Factor 2.61
Total Q Factor 0.78
Ratio 2029.68 fs/Qts
Energy Bandwidth Product ((1/Qes)•fs)
Suspension Compliance 28.2 μm/N
Effective Cone Diameter 3 cm
Motor Efficiency Factor 1.4 (T•m2)/Ω
Voice Coil Former Material ASV
Transducer Mass 0.07 Kg
Equivalent Volume 0 L

This D family tweeter features an 6 ohm 25 mm voice coil, a treated silk dome, a rear chamber for low resonant frequency and a ferrofluid-cooled NdFeB motor. The neodymium magnet and rear chamber allow for robust power handling capacity.