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PLS-75N25AL02-04 PLS-75N25AL02-04 PLS-75N25AL02-04


Platform: Tymphany
Driver Type: Full Range
Size: 3 in
Motor: Ferrite
Frame: Plastic Basket
Impedance: 4 Ω
Diaphragm: Al (Aluminium)

Frequency & Impedance Response


Technical Specifications

Driver Size 3 in
DC Resistance 3.65 Ω ±5.0%
Resonant Frequency 96.06 Hz 15%
Half Space Sensitivity @ 2.83V 86.26 dB ±1.01
Sensitivity @ 1W/1m 83.7 dB ±1.01
Rated Noise Power (IEC 268-5 18.1) 25 W
Test Spectrum Bandwidth 100Hz-20KHz 12 dB/Oct
Effective Piston Area 28.3 cm2
Moving Mass 2.6 g
Motor Force Factor 2.72 T•m
Voice Coil Inner Diameter 25.73 mm
Gap Height 4 mm
Maximum Linear Excursion 2.3 mm
Ferrofluid Type
Minimum Impedance   4.41 Ω ±7.5%
Voice Coil Inductance 0.05 mH
Mechanical Q Factor 5.76
Electrical Q Factor 0.76
Total Q Factor 0.67
Ratio 142.95 fs/Qts
Energy Bandwidth Product ((1/Qes)•fs)
Suspension Compliance 1073.7 μm/N
Effective Cone Diameter 6 cm
Motor Efficiency Factor 2 (T•m2)/Ω
Voice Coil Former Material ASV
Driver Mass 0.21 Kg
Equivalent Volume 1.13 L

Product Info

This 2.5 inch 4 ohm member of the PLS family sets a high standard for compact full range drivers intended for applications such as television soundbars and compact music systems. Design features in this family include a damped plastic basket with venting under the spider to aid cooling of the motor, a neodymium magnet motor with copper cap to lower coil inductance, providing low distortion at low frequencies and extended high frequency response. A black anodized aluminium cone is employed, along with a black anodized aluminium dust cap coupled directly to the voice coil. Additionally, the cones come equipped with special-designed large roll rubber surrounds, which allow for a dynamic linear response at high excursion.

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