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DFM-2544R00-08 DFM-2544R00-08 DFM-2544R00-08


Platform: Tymphany
Driver Type: Compression
Size: 1 in
Motor: Ferrite
Frame: No Faceplate
Impedance: 8 Ω
Diaphragm: Ti (Titanium)

Frequency & Impedance Response


Technical Specifications

Driver Size 1 in
DC Resistance 6.09 Ω ±5.0%
Resonant Frequency 784.22 Hz 15%
Half Space Sensitivity @ 2.83V 105.29 dB ±1.01
Sensitivity @ 1W/1m 104.6 dB ±1.01
Rated Noise Power (IEC 268-5 18.1) 60 W
Test Spectrum Bandwidth 1.5k Hz-15k Hz 12 dB/Oct
Effective Piston Area 16.2 cm2
Moving Mass 0.3 g
Motor Force Factor 2.06 T•m
Voice Coil Inner Diameter 44.4 mm
Gap Height 3.5 mm
Maximum Linear Excursion 0.3 mm
Ferrofluid Type
Minimum Impedance   6.89 Ω ±7.5%
Voice Coil Inductance 0.04 mH
Mechanical Q Factor 2.02
Electrical Q Factor 2.03
Total Q Factor 1.01
Ratio 774.15 fs/Qts
Energy Bandwidth Product ((1/Qes)•fs)
Suspension Compliance 143.6 μm/N
Effective Cone Diameter 4.54 cm
Motor Efficiency Factor 0.7 (T•m2)/Ω
Voice Coil Former Material TIL
Driver Mass 1.8 Kg
Equivalent Volume 0.05 L

Product Info

This 1.75 inch diaphragm 1inch exit compression driver is for use in high quality professional sound reinforcement systems. The magnet system was designed for high sensitivity while keeping the weight and cost to a minimum. The 3-slot phasing plug and aluminum wire voice coil give improved HF energy. The titanium diaphragm is coated with a light, thin layer of unique damping material which results in a smoother sound, especially when driven hard. All of the materials resist environmental factor of heat, vibration and aging ensuring many years of stable performance.

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