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

Frequency Response & Impedance Curve

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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