FSIMD1500-0801
FSIMD1500-0801
Standard
3" Paper Cone Midrange

FSIMD1500-0801

Features
3", Steel Frame
0.8" CCAW Voice Coil, Kapton Former
Paper Pulp Cone, Cloth Surround
Dual Ferrite Magnet Motor System
Neodymium Cancelling Magnet on Pole
Size
3 Inch
Fs
115 Hz
Re
4 Ohms
Sensitivity
84 dB
Quality Factor
0.77 Qts
Rated Power
15 W
  • Description
  • Measure Chart
  • Specification
  • Mechanical Drawing
SPEC SHEET

This 2.5 inch 8 ohm Midrange driver, with 0.8 inch voice coil copper clad Aluminum wire, Aluminum former, paper cone and  cloth surround. It contains dual Neodymium magnet system which provides maximum flux in a compact package.The Aluminum former and busket under spider are vented hole so as to reduce air compression effects and aid cooling of the motor under high excursion conditions.

Family
Range
T-S Parameters
Resonance frequency [fs] 115.8 Hz
Mechanical Q factor [Qms] 3.757
Electrical Q factor [Qes] 0.789
Total Q factor [Qts]  0.652
Force factor [Bl] 4.744 Tm
Mechanical resistance [Rms] 0.683 kg/s
Moving mass [Mms]  3.527 g
Compliance [Cms] 0.535 mm/N
Effective diaph. diameter [D]  60 mm
Effective piston area [Sd] 28.27 cm²
Equivalent volume [Vas] 0.6058 l
Sensitivity (2.83V/1m)  88 dB
Ratio Bl/√Re 1.76 N/√W
Ratio fs/Qts 177.6 Hz
Electrical Data
Nominal impedance [Zn]  8 Ω
Minimum impedance [Zmin]  6.992 Ω
Maximum impedance [Zo] 40.706 Ω
DC resistance [Re] 6.92 Ω
Voice coil inductance [Le]  0.099 mH
Power Handling
100h RMS noise test (IEC 18.4) 15 W
Long-term max power (IEC 18.2) - W
Voice Coil & Magnet Data
Voice coil diameter 20.3 mm
Voice coil height 7.0 mm
Voice coil layers 2
Height of gap 3.0 mm
Linear excursion ± 2.0 mm
Max mech. excursion ± - mm
Unit weight 0.447 kg

 

FSIMD1500-0801

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