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 Resistance 7.52 Ω±5.0%
Resonant Frequency 810 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 Bandwidth 2.5KHz-20KHz 12 dB/Oc
Effective Piston Area 4.9 cm2
Moving Mass 0.1 g
Motor Force Factor 1.06 T•m
Voice Coil Inner Diameter 19.3 mm
Gap Height 2 mm
Maximum Linear Excursion 0.1 mm
Ferrofluid Type APG O27N
Minimum Impedance 8.27 Ω±7.5%
Voice Coil Inductance 0.02 mH
Mechanical Q Factor 2.86
Electrical Q Factor 4.23
Total Q Factor 1.71
Ratio 474.24 fs/Qts
Energy Bandwidth Product ((1/Qes)•fs)
Suspension Compliance 310 μm/N
Effective Cone Diameter 2.5 cm
Motor Efficiency Factor 0.1 (T•m2)/Ω
Voice Coil Former Material ASV
Transducer Mass 0.17 Kg
Equivalent Volume 0.01 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.