DFL-2525R00-08

Transducer Size (Millimeters)25.4
DC Resistance6.28
Resonant Frequency1597.12
Half Space Sensitivity102.28
Rated Noise Power25
Test Spectrum Bandwidth3k Hz~20k Hz

Transducer Size1
DC Resistance6.28 Ω±5.0%
Resonant Frequency1597.12 Hz15%
Half Space Sensitivity @ 2.83V102.28 dB±1.01
Sensitivity @ 1W/1m101.8 dB±1.01
Rated Noise Power (IEC 268-5 18.1)25 W
Test Spectrum Bandwidth3k Hz~20k Hz 12 dB/Oc
Effective Piston Area7.1 cm2
Moving Mass0.3 g
Motor Force Factor2 T•m
Voice Coil Inner Diameter25.4 mm
Gap Height4 mm
Maximum Linear Excursion1.4 mm
Ferrofluid TypeAPGL11
Minimum Impedance7.15 Ω±7.5%
Voice Coil Inductance0.12 mH
Mechanical Q Factor10.31
Electrical Q Factor5.41
Total Q Factor3.55
Ratio450.02 fs/Qts
Energy Bandwidth Product ((1/Qes)•fs)
Suspension Compliance29 μm/N
Effective Cone Diameter3 cm
Motor Efficiency Factor0.6 (T•m2)/Ω
Voice Coil Former MaterialKapton
Transducer Mass0.96 Kg
Equivalent Volume0 L

This 1inch diaphragm inch exit compression driver is a cost effective solution for use in professional sound reinforcement systems. The pure titanium diaphragm ensures solid and controlled vibration to the highest frequencies. The phase plug was studied extensively to optimize the HF level, and ensures a wide smooth response characteristic. The use of high quality ferrofluid combined with extensive verification testing has resulted in a transducer which is extremely reliable.