Peerless by Tymphany DX25TG59-04 1 Fabric Dome Tweeter

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 ferrite magnet motor which adds heat sinking for power handling capacity. The faceplate features recessed mounting holes to minimize reflections.

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Driver Size 25 mm
DC Resistance 2.93 Ω ±5.0%
Resonant Frequency 640.02 Hz 15%
Half Space Sensitivity @ 2.83V 93.02 dB ±1.01
Sensitivity @ 1W/1m 89.8 dB ±1.01
Rated Noise Power (IEC 268-5 18.1) 100 W
Test Spectrum Bandwidth 2.5KHz-20KHz 12 dB/Oct
Effective Piston Area 8.2 cm2
Moving Mass 0.4 g
Motor Force Factor 2.41 T•m
Voice Coil Inner Diameter 25.76 mm
Gap Height 2 mm
Maximum Linear Excursion 0.1 mm
Ferrofluid Type APGS11N
Minimum Impedance 3.78 Ω ±7.5%
Voice Coil Inductance 0.02 mH
Mechanical Q Factor 2.46
Electrical Q Factor 0.74
Total Q Factor 0.57
Ratio 1128.79 fs/Qts
Energy Bandwidth Product ((1/Qes)•fs)
Suspension Compliance 170.2 μm/N
Effective Cone Diameter 3.23 cm
Motor Efficiency Factor 2 (T•m2)/Ω
Voice Coil Former Material ASV
Driver Mass 0.5 Kg
Equivalent Volume 0.02 L
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Platform: Tymphany
Driver Type: Tweeter
Size: 25 mm
Motor: Ferrite
Frame: Plastic Faceplate
Impedance: 4 Ω
Diaphragm: Fabric