2" x 3.5" (50 mm x 90 mm) Treated, Wide Range Speaker

Brand Name
MISCO OEM
Part #
90OF08-SH
Built to Order
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THIS IS A “BUILT TO ORDER” PRODUCT.

Designed for mid or voice range, this is a universal-fit 2.0 x 3.5"  (50x90mm) shielded speaker ideal for small enclosures and tight spaces. The shielded magnet structure elements stops magnetic interference with sensitive electronic components or relays. The treated cone surround is designed to provide optimized compliance and stability for the cone. It features a four-hole mount design for ease of front or rear flush mounting.

  • Wide range speaker
  • 2 x 3.5" (50 x 90 mm) basket diameter
  • 8 watts, 10 ohms, 84 dB SPL
  • 0.6" copper voice coil, paper former
  • Ferrite magnet, stamped steel basket
  • Paper cone & surround

Download Product Specifications (PDF) »

More Information
Brand Name MISCO OEM
Height (Inch) 1.8000
Width (Inch) 2.0000
Length (Inch) 3.5000
Speaker Type Wide Range Speaker
Shape of Speaker Oval
Size, Nominal (inch & mm) 1.18" x 2.76" (30 mm x 70 mm)
Environment Indoor
Application Casino Gaming
RoHS Compliant Yes
PRIMARY SPECIFICATIONS
Rated Impedance (Ω) 8
Rated Power IEC268-5 (W) 5 watts
Program Power (W) 10
Sensitivity (dB SPL) ¹ 84
Frequency Range (Hz) 170 - 20,000
SMALL SIGNAL PARAMETERS
DC Resistance (Re) (Ω) 7.5
Resonant Frequency (Fs) (Hz) 170
Nominal Impedance (Z) (Ω) 8
Voice Coil Inductance (Le) (mH) 0
Mechanical Q Factor (Qms) 3.0
Electrical Q Factor (Qes) 1.73
Total Q Factor (Qts) 1.10
MATERIAL DESCRIPTIONS
Basket Type Stamped Steel with zinc plating
Terminal Size (mm) 2.8 x 0.5
Voice Coil Diameter (mm) 15.2
Voice Coil Wire Material Copper
Voice Coil Former Material Paper
Magnet Material Ferrite
Magnet Weight (gm) 33
Cone Body Material Engineered paper
Cone Surround Material Engineered paper
Spider Material Cotton
Dust Cap Material Engineered paper
Technical Notes

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