DX25TG09-04

Transducer Size (Millimeters)25
DC Resistance3
Resonant Frequency702.87
Half Space Sensitivity93.96
Rated Noise Power100
Test Spectrum Bandwidth800Hz-2.5KHz

Transducer Size (Millimeters)25
DC Resistance3 Ω±5.0%
Resonant Frequency702.87 Hz15%
Half Space Sensitivity @ 2.83V93.96 dB±1.01
Sensitivity @ 1W/1m90.5 dB±1.01
Rated Noise Power (IEC 268-5 18.1)100 W
Test Spectrum Bandwidth800Hz-2.5KHz 12 dB/Oc
Effective Piston Area8.2 cm2
Moving Mass0.4 g
Motor Force Factor2.64 T•m
Voice Coil Inner Diameter25.76 mm
Gap Height2 mm
Maximum Linear Excursion0.1 mm
Ferrofluid TypeAPGS11N
Minimum Impedance3.61 Ω±7.5%
Voice Coil Inductance0.02 mH
Mechanical Q Factor3.43
Electrical Q Factor0.69
Total Q Factor0.58
Ratio1220.26 fs/Qts
Energy Bandwidth Product ((1/Qes)•fs)
Suspension Compliance141.1 μm/N
Effective Cone Diameter3.24 cm
Motor Efficiency Factor2.3 (T•m2)/Ω
Voice Coil Former MaterialASV
Transducer Mass0.5 Kg
Equivalent Volume0.01 L

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