ASDFD0315-0400
ASDFD0315-0400
Standard
1.25" Aluminum Cone Fullrange

ASDFD0315-0400

Features
1.25”, Plastic Frame
0.8” PESVW Voice Coil , Aluminum Former
Aluminum Diaphragm , Foam Surround
Neodymium Magnet Motor System
Spider-Less, Slim Design
Size
1.25 Inch
Fs
255 Hz
Re
3.6 Ohms
Sensitivity
81 dB
Quality Factor
0.79 Qts
Rated Power
3 W
  • Description
  • Measure Chart
  • Specification
  • Mechanical Drawing
SPEC SHEET

This is a 1.25 inch 4 ohm driver, it is a compact features 0.8 inch voice coil with PESVW. In term of suspension system, cone is consisted by Aluminum Cone body with foam surround. In term of magnet motor system, magnet is consisted by Neodymium material. It can be used on portable speaker model.

Family
Range
Characteristics
 
T-S Parameters
Resonance frequency [fs] 255 Hz
Mechanical Q factor [Qms] 2.759
Electrical Q factor [Qes] 1.103
Total Q factor [Qts]  0.788
Force factor [Bl] 2.075 Tm
Mechanical resistance [Rms] 0.467 kg/s
Moving mass [Mms]  0.803 g
Compliance [Cms] 0.483 mm/N
Effective diaph. diameter [D]  27.5 mm
Effective piston area [Sd] 5.94 cm²
Equivalent volume [Vas] 0.024 l
Sensitivity (2.83V/1m)  81 dB
Ratio Bl/√Re 1.1 N/√W
Ratio fs/Qts 323 Hz
Electrical Data
Nominal impedance [Zn]  4 Ω
Minimum impedance [Zmin]  3.8 Ω
Maximum impedance [Zo] 7.8 Ω
DC resistance [Re] 3.6 Ω
Voice coil inductance [Le]  0.053 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 3.4 mm
Voice coil layers 2
Height of gap 1.5 mm
Linear excursion ± 0.95 mm
Max mech. excursion ± - mm
Unit weight 0.0283 kg

 

ASDFD0315-0400

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