DX20BF00-04

Transducer Size (Millimeters)19
DC Resistance2.81
Resonant Frequency822.14
Half Space Sensitivity90.14
Rated Noise Power60
Test Spectrum Bandwidth2.5KHz-20KHz

Transducer Size (Millimeters)19
DC Resistance2.81 Ω±5.0%
Resonant Frequency822.14 Hz15%
Half Space Sensitivity @ 2.83V90.14 dB±1.01
Sensitivity @ 1W/1m86.9 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 Mass0.2 g
Motor Force Factor1 T•m
Voice Coil Inner Diameter19.3 mm
Gap Height2 mm
Maximum Linear Excursion0.2 mm
Ferrofluid TypeAPG027N
Minimum Impedance3.83 Ω±7.5%
Voice Coil Inductance0.01 mH
Mechanical Q Factor2.24
Electrical Q Factor2.93
Total Q Factor1.27
Ratio647.35 fs/Qts
Energy Bandwidth Product ((1/Qes)•fs)
Suspension Compliance184.5 μm/N
Effective Cone Diameter2.5 cm
Motor Efficiency Factor0.4 (T•m2)/Ω
Voice Coil Former MaterialASV
Transducer Mass0.17 Kg
Equivalent Volume0 L

This DX family tweeter features a 19mm 4 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.