04A15EHC18226R
04A15EHC18226R
Standard
1.75" Paper Cone Fullrange

04A15EHC18226R

Feature
1.75", Steel Frame
0.6"CCAW Voice Coil, Kapton Former
Paper Cone, TPU Surround
Dual Neodymium Magnet Motor System
Waterproof Driver
Size
1.75 Inch
Fs
250 Hz
Re
4 Ohms
Sensitivity
84 dB
Quality Factor
0.67 Qts
Rated Power
2 W
  • Description
  • Measure Chart
  • Specification
  • Mechanical Drawing
SPEC SHEET

This is a 1.75 inch 4 ohm driver, it is a Fullrange features 0.6 inch voice coil with PESVCCAW. In term of suspension system, cone is consisted by Paper Cone body with TPU 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
Characteristics

T-S Parameters
Resonance frequency [fs] 250.2 Hz
Mechanical Q factor [Qms] 6.87
Electrical Q factor [Qes] 0.747
Total Q factor [Qts]  0.673
Force factor [Bl] 2.254 Tm
Mechanical resistance [Rms] 0.166 kg/s
Moving mass [Mms]  0.727 g
Compliance [Cms] 0.556 mm/N
Effective diaph. diameter [D]  34.2 mm
Effective piston area [Sd] 9.19 cm²
Equivalent volume [Vas] 0.0665 l
Sensitivity (2.83V/1m)  84 dB
Ratio Bl/√Re 1.237 N/√W
Ratio fs/Qts 371.77 Hz
Electrical Data
Nominal impedance [Zn]  4 Ω
Minimum impedance [Zmin]  3.478 Ω
Maximum impedance [Zo] 23.266 Ω
DC resistance [Re] 3.32 Ω
Voice coil inductance [Le]  0.075 mH
Power Handling
100h RMS noise test (IEC 18.4) 2 W
Long-term max power (IEC 18.2) - W
Voice Coil & Magnet Data
Voice coil diameter 16.28 mm
Voice coil height 2.3 mm
Voice coil layers 4
Height of gap 2 mm
Linear excursion ± 0.15 mm
Max mech. excursion ± - mm
Unit weight 0.044 kg

 

04A15EHC18226R

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