3" Paper Cone Midrange


3", Steel Frame
0.8" CCAW Voice Coil, Kapton Former
Multi Paper Cone, Rubber Coated Cloth Surround
Strong Ferrite Magnet Motor System, Pole Piece Vent
Extended Copper Cap on the Pole Piece
High Sensitivity, Low Distortion(<3%)
3 Inch
175 Hz
4 Ohms
91 dB
Quality Factor
0.66 Qts
Rated Power
20 W
  • Description
  • Measure Chart
  • Specification
  • Mechanical Drawing

This is a 3 inch 4 ohm driver, it is a  Midrange features 0.8 inch voice coil with CCAW. In term of suspension system, cone is consisted by Paper Cone body with cloth surround and spider is consisted by Conex. In term of magnet motor system, magnet is consisted by Ferrite material. It can be used on bookshelf audio.

T-S Parameters
Resonance frequency [fs] 174 Hz
Mechanical Q factor [Qms] 9.99
Electrical Q factor [Qes] 0.71
Total Q factor [Qts]  0.66
Force factor [Bl] 3.64 Tm
Mechanical resistance [Rms] 0.28 kg/s
Moving mass [Mms]  2.58 g
Compliance [Cms] 0.32 mm/N
Effective diaph. diameter [D]  62 mm
Effective piston area [Sd] 30.2 cm²
Equivalent volume [Vas] 0.42 l
Sensitivity (2.83V/1m)  91 dB
Ratio Bl/√Re 2.0 N/√W
Ratio fs/Qts 263.6 Hz
Electrical Data
Nominal impedance [Zn]  4 Ω
Minimum impedance [Zmin]  3.726 Ω
Maximum impedance [Zo] 20.988 Ω
DC resistance [Re] 3.3 Ω
Voice coil inductance [Le]  0.101 mH
Power Handling
100h RMS noise test (IEC 18.4) 20 W
Long-term max power (IEC 18.2) - W
Voice Coil & Magnet Data
Voice coil diameter 20.32 mm
Voice coil height 7.2 mm
Voice coil layers 2
Height of gap 3.5 mm
Linear excursion ± 1.9 mm
Max mech. excursion ± - mm
Unit weight 0.446 kg



Contact Us

Looking for more information?

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

*Fields that are required.

This question is for testing whether or not you are a human visitor and to prevent automated spam submissions.