4" (100 mm) Foam Surround, Wide Range Speaker

Brand Name
MISCO OEM
Part #
100SF08-3
Built to Order
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THIS IS A “BUILT TO ORDER” PRODUCT.

This is a popular and very versitile wide range, indoor, flush mount*, 4-inch square speaker.

  • High-compliance polyether foam-edge surround
  • Ideal for music & voice applications
  • 40 watts program power
  • Steel construction basket
  • High Energy (HE) ferrite magnet
  • RoHS Compliant

*This speaker does have an overhang surround and therefore grille placement cannot be flush to the gasket. It is a front or rear panel mountable wide range. This is also an excellent choice for numerous music applications.

Download Product Specifications (PDF) »

More Information
Brand Name MISCO OEM
Speaker Type Wide Range Speaker
Shape of Speaker Square
Size, Nominal (inch & mm) 4" (100 mm)
Environment Indoor
Application Arcade Gaming, Casino Gaming, Indoor, Kiosk, Transit, Voice Communications
RoHS Compliant Yes
PRIMARY SPECIFICATIONS
Rated impedance (Ω) 8
Rated Power IEC268-5 (W) 20 Watts
Power, Program (W) 40
Sensitivity (dB SPL) ¹ 86
Frequency range (Hz) 100 - 15000
SMALL SIGNAL PARAMETERS
DC resistance (Re) (Ω) 6.8
Resonant Frequency (Fs) (Hz) 95
Nominal Impedance (Z) (Ω) 8
Voice Coil Inductance (Le) (mH) 0
Mechanical Q factor (Qms) 5.2
Electrical Q Factor (Qes) 6.8
Total Q factor (Qts) 1.34
MATERIAL DESCRIPTIONS
Basket type Stamped Steel with zinc plating
Terminal size 5.4 x 0.5 (0.205" x 0.020")
Voice coil diameter (mm) 17.8 (0.70")
Voice coil wire material Copper
Voice coil former material Paper
Magnet Material Ferrite
Magnet weight (gm) 284 (10 ounces)
Cone body material Engineered paper
Cone surround material Polyether Foam
Spider Material Cloth
Dust cap material Engineered paper
Net weight (kg) 0.307
Technical Notes

¹ Sensitivity is measured with 2.83 volt input, measured on-axis at 1 meter distance