Transducer Size (Millimeters)20
DC Resistance7.52
Resonant Frequency810
Half Space Sensitivity86.12
Rated Noise Power60
Test Spectrum Bandwidth2.5KHz-20KHz

Transducer Size (Millimeters)20
DC Resistance7.52 Ω±5.0%
Resonant Frequency810 Hz15%
Half Space Sensitivity @ 2.83V86.12 dB±1.01
Sensitivity @ 1W/1m86.3 dB±1.01
Rated Noise Power (IEC 268-5 18.1)60 W
Test Spectrum Bandwidth2.5KHz-20KHz 12 dB/Oc
Effective Piston Area4.9 cm2
Moving Mass0.1 g
Motor Force Factor1.06 T•m
Voice Coil Inner Diameter19.3 mm
Gap Height2 mm
Maximum Linear Excursion0.1 mm
Ferrofluid TypeAPG O27N
Minimum Impedance8.27 Ω±7.5%
Voice Coil Inductance0.02 mH
Mechanical Q Factor2.86
Electrical Q Factor4.23
Total Q Factor1.71
Ratio474.24 fs/Qts
Energy Bandwidth Product ((1/Qes)•fs)
Suspension Compliance310 μm/N
Effective Cone Diameter2.5 cm
Motor Efficiency Factor0.1 (T•m2)/Ω
Voice Coil Former MaterialASV
Transducer Mass0.17 Kg
Equivalent Volume0.01 L

This DX family tweeter features a 19 mm 8 ohm voice coil, a damped silk diaphragm with large surround roll to produce a low resonant frequency, and a ferrite magnet motor which adds heat sinking for power handling capacity. The faceplate features recessed mounting holes to minimize reflections.