65C20EHC19199D
65C20EHC19199D
Standard
2.5" Paper Cone Midrange

65C20EHC19199D

Features
2.5", Steel Frame
0.8" CCAW Voice Coil, Kapton Former
Paper Cone, Cloth Surround
Dual Neodymium Magnet Motor System
High Sensitivity
Size
2.5 Inch
Fs
540 Hz
Re
3.4 Ohms
Sensitivity
88 dB
Quality Factor
2.26 Qts
Rated Power
3 W
  • Description
  • Measure Chart
  • Specification
  • Mechanical Drawing
SPEC SHEET

This is a 2.5 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 NC. In term of magnet motor system, magnet is consisted by Neodymium material. It can be used on Bluetooth speakers model.

Family
Range
 
T-S Parameters
Resonance frequency [fs] 540 Hz
Mechanical Q factor [Qms] 14.339
Electrical Q factor [Qes] 2.684
Total Q factor [Qts]  2.261
Force factor [Bl] 3.205 Tm
Mechanical resistance [Rms] 0.563 kg/s
Moving mass [Mms]  2.349 g
Compliance [Cms] 0.036 mm/N
Effective diaph. diameter [D]  49 mm
Effective piston area [Sd] 18.86 cm²
Equivalent volume [Vas] 0.018 l
Sensitivity (2.83V/1m)  88 dB
Ratio Bl/√Re 1.738 N/√W
Ratio fs/Qts 238.8 Hz
Electrical Data
Nominal impedance [Zn]  4 Ω
Minimum impedance [Zmin]  3.68 Ω
Maximum impedance [Zo] 20.51 Ω
DC resistance [Re] 3.4 Ω
Voice coil inductance [Le]  0.072 mH
Power Handling
100h RMS noise test (IEC 18.4) 3 W
Long-term max power (IEC 18.2) - W
Voice Coil & Magnet Data
Voice coil diameter 20.32 mm
Voice coil height 4.9 mm
Voice coil layers 2
Height of gap 4 mm
Linear excursion ± 0.45 mm
Max mech. excursion ± - mm
Unit weight 0.089 kg

 

65C20EHC19199D

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