Transducer Size (Millimeters)19
DC Resistance6.33
Resonant Frequency1687.93
Half Space Sensitivity87.74
Rated Noise Power100
Test Spectrum Bandwidth1KHz-20KHz

Transducer Size (Millimeters)19
DC Resistance6.33 Ω±5.0%
Resonant Frequency1687.93 Hz15%
Half Space Sensitivity @ 2.83V87.74 dB±1.01
Sensitivity @ 1W/1m87.5 dB±1.01
Rated Noise Power (IEC 268-5 18.1)100 W
Test Spectrum Bandwidth1KHz-20KHz 12 dB/Oc
Effective Piston Area4.2 cm2
Moving Mass0.2 g
Motor Force Factor2.66 T•m
Voice Coil Inner Diameter19.35 mm
Gap Height2 mm
Maximum Linear Excursion0.4 mm
Ferrofluid TypeAPG087
Minimum Impedance7.64 Ω±7.5%
Voice Coil Inductance0.02 mH
Mechanical Q Factor1.08
Electrical Q Factor1.94
Total Q Factor0.69
Ratio2432.18 fs/Qts
Energy Bandwidth Product ((1/Qes)•fs)
Suspension Compliance43.4 μm/N
Effective Cone Diameter2.3 cm
Motor Efficiency Factor1.1 (T•m2)/Ω
Voice Coil Former MaterialASV
Transducer Mass0.28 Kg
Equivalent Volume0 L

This D family tweeter features an 8ohm 19mm voice coil, a treated fabric dome, with a ferrite magnet and a ABS faceplate, and ferrofluid in the gap of the ferrite magnet motor, providing enhanced cooling of the voice coil. Is designed to be a high performance transducer.