Transducer Size (Millimeters)25
DC Resistance3.47
Resonant Frequency415.36
Half Space Sensitivity93.99
Rated Noise Power80
Test Spectrum Bandwidth2.5kHz - 20kHz

Transducer Size (Millimeters) 25
DC Resistance 3.47 Ω±5.0%
Resonant Frequency 415.36 Hz15%
Half Space Sensitivity @ 2.83V93.99 dB±1.01
Sensitivity @ 1W/1m91.2 dB±1.01
Rated Noise Power (IEC 268-5 18.1)80 W
Test Spectrum Bandwidth 2.5kHz - 20kHz 12 dB/Oc
Effective Piston Area 8 cm2
Moving Mass 0.3 g
Motor Force Factor 2.46 T•m
Voice Coil Inner Diameter 25.76 mm
Gap Height 2 mm
Maximum Linear Excursion 0.1 mm
Ferrofluid Type
Minimum Impedance 4.25 Ω±7.5%
Voice Coil Inductance 0.01 mH
Mechanical Q Factor 1.4
Electrical Q Factor 0.48
Total Q Factor 0.35
Ratio 1186.74 fs/Qts
Energy Bandwidth Product ((1/Qes)•fs)
Suspension Compliance 475 μm/N
Effective Cone Diameter 3.2 cm
Motor Efficiency Factor 1.7 (T•m2)/Ω
Voice Coil Former Material ASV
Transducer Mass 0.8 Kg
Equivalent Volume 0.04 L

This DX family tweeter features a 4 ohm 25 mm ferrofluid-cooled voice coil, a damped silk diaphragm with large surround roll to produce a low resonant frequency, and a big ferrite magnet motor for power handling capacity. The faceplate features recessed mounting holes to minimize reflections.