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 Resistance4.66 Ω±5.0%
Resonant Frequency1579.09 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 Bandwidth1.3KHz-20KHz 12 dB/Oc
Effective Piston Area7.1 cm2
Moving Mass0.4 g
Motor Force Factor2.53 T•m
Voice Coil Inner Diameter25.79 mm
Gap Height2.5 mm
Maximum Linear Excursion0.5 mm
Ferrofluid TypeAPG834
Minimum Impedance5.99 Ω±7.5%
Voice Coil Inductance0.02 mH
Mechanical Q Factor1.11
Electrical Q Factor2.61
Total Q Factor0.78
Ratio2029.68 fs/Qts
Energy Bandwidth Product ((1/Qes)•fs)
Suspension Compliance28.2 μm/N
Effective Cone Diameter3 cm
Motor Efficiency Factor1.4 (T•m2)/Ω
Voice Coil Former MaterialASV
Transducer Mass0.07 Kg
Equivalent Volume0 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.