Standard Transducers
2.5" Paper Cone Fullrange


2.5", Steel Frame
0.8"CCAW Voice Coil, Kapton Former
Paper Cone, Rubber Surround
Dual Neodymium Magnet Motor System
High Sensitivity
2.5 Inch
171.0 Hz
8 Ohms
83.00 dB
Quality Factor
0.900 Qts
Rated Power
25 W
  • Description
  • Measure Chart
  • Specification
  • Mechanical Drawing

This is a 2.5 inch 8ohm transducer, it is a Fullrange features 0.8inch voice coil with CCAW. In term of suspension system, cone is consisted by Paper Cone body with NBR surround and spider is consisted by Conex. In term of magnetic motor system, magnet is consisted by Neo material. It can be used on Soundbar model.


T-S Parameters
Resonance frequency [fs] 171 Hz
Mechanical Q factor [Qms] 5.69
Electrical Q factor [Qes] 1.07
Total Q factor [Qts]  0.9
Force factor [Bl] 3.56 Tm
Mechanical resistance [Rms] 0.33 kg/s
Moving mass [Mms]  1.74 g
Compliance [Cms] 0.49 mm/N
Effective diaph. diameter [D]  49.5 mm
Effective piston area [Sd] 19.24 cm²
Equivalent volume [Vas] 0.25 l
Sensitivity (2.83V/1m)  83 dB
Ratio Bl/√Re 1.32 N/√W
Ratio fs/Qts 190 Hz
Electrical Data
Nominal impedance [Zn]  8 Ω
Minimum impedance [Zmin]  6.7 Ω
Maximum impedance [Zo] 37.8 Ω
DC resistance [Re] 7.26 Ω
Voice coil inductance [Le]  0.2 mH
Power Handling
100h RMS noise test (IEC 17.1) 25 W
Long-term max power (IEC 17.3) - W
Voice Coil & Magnet Data
Voice coil diameter 20.32 mm
Voice coil height 4.6 mm
Voice coil layers 2
Height of gap 4 mm
Linear excursion ± 0.3 mm
Max mech. excursion ± - mm
Unit weight 0.0865 kg



Contact Us

Looking for more information?

Please feel free to contact us directly with any product inquiries.

*Fields that are required.