ASDFL0001-0400
ASDFL0001-0400
ASDFL0001-0400
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1.75" Paper Cone Fullrange

ASDFL0001-0400

Features
1.75", Steel Frame
0.8" PESVW Voice Coil, Kapton Former
Paper Cone, Rubber Surround
Dual Neodymium Magnet Motor System
Wide Frequency Range, Low Distortion(<3%)
Linear Spider
Size
1.75 Inch
Fs
165 Hz
Re
4 Ohms
Sensitivity
83 dB
Quality Factor
0.49 Qts
Rated Power
4 W
  • Description
  • Simulation
  • Measure Chart
  • Specification
  • Mechanical Drawing
SPEC SHEET

This Fullrange 1.75 inch driver features 0.8 inch PESVW voice coil, special MYLAR material dust-cap,
reversed rubber surround and Dual Neodymium Magnet motor system to extend the high frequency response
up to 20KHz with low distortion (<3%). This optimum driver is in production for Premium speaker applications.

Family
Range
Characteristics
ASDFL0001-0400

T-S Parameters
Resonance frequency [fs] 162.8 Hz
Mechanical Q factor [Qms] 5.87
Electrical Q factor [Qes] 0.54
Total Q factor [Qts]  0.49
Force factor [Bl] 3.49 Tm
Mechanical resistance [Rms] 0.32 kg/s
Moving mass [Mms]  1.81 g
Compliance [Cms] 0.53 mm/N
Effective diaph. diameter [D]  37 mm
Effective piston area [Sd] 10.75 cm²
Equivalent volume [Vas] 0.09 l
Sensitivity (2.83V/1m)  83 dB
Ratio Bl/√Re 1.79 N/√W
Ratio fs/Qts 332.2 Hz
Electrical Data
Nominal impedance [Zn]  4 Ω
Minimum impedance [Zmin]  3.76 Ω
Maximum impedance [Zo] 34.56 Ω
DC resistance [Re] 3.8 Ω
Voice coil inductance [Le]  0.11 mH
Power Handling
100h RMS noise test (IEC 18.4) 4 W
Long-term max power (IEC 18.2) 11 W
Voice Coil & Magnet Data
Voice coil diameter 19.4 mm
Voice coil height 6.1 mm
Voice coil layers 2
Height of gap 3 mm
Linear excursion ± 1.55 mm
Max mech. excursion ± 3.5 mm
Unit weight 0.065 kg
ASDFL0001-0400

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