50 x 90 mm Treated, Wide Range Speaker – 90OF08-SH

Reliable Wide Range Speaker in a Slim Oval Format from MISCO

This wide range speaker is a compact, high-performance audio solution designed for clear voice and midrange reproduction in space-limited enclosures. Optimized for indoor applications where magnetic interference may be a concern, it delivers reliable sound quality in a robust, OEM-ready design. Its oval form factor makes it easy to integrate into modern electronic systems without compromising acoustic performance.

  • Compact 50 × 90 mm oval design for space-constrained installations
  • Wide frequency coverage from 170 Hz to 20 kHz
  • Shielded construction for interference-sensitive environments
  • Durable stamped steel basket with treated paper cone

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The 90OF08-SH is a shielded wide range speaker designed to deliver balanced and intelligible sound across voice and midrange frequencies. This Oval wide range speaker features an 8 Ω nominal impedance and a rated power handling of 5 W (10 W peak), making it a practical choice for compact electronic systems that require dependable audio performance. With a sensitivity of 84 dB (1 W / 1 m), this Full Range Speaker provides efficient output even in low-power applications.

As a precision-engineered Misco Speaker, the driver uses a treated paper cone with a paper surround to achieve a natural tonal balance while keeping moving mass low for responsive performance. The ferrite magnet assembly and stamped steel basket contribute to mechanical stability and long-term reliability. Its shielded construction allows safe installation near displays and other sensitive electronic components. The four-hole mounting pattern supports both front and rear flush mounting, enabling easy integration into compact enclosures and OEM designs.

 


See this wide range speaker in action!

Discover how this wide range speaker delivers clear, consistent sound in compact applications, making this Oval wide range speaker a reliable Full Range Speaker choice for professional and commercial designs.

Features

  • Frequency range: 170 Hz – 20,000 Hz
  • Nominal impedance: 8 Ω
  • Rated power (AES): 5 W / Peak power: 10 W
  • Sensitivity: 84 dB (1 W @ 1 m)
  • Compact dimensions: 90 × 50 mm (3.543″ × 1.969″)
  • Ferrite magnet with stamped steel basket
  • Treated paper cone and surround

Advantages

  • Optimized for voice and midrange clarity in compact enclosures
  • Shielded design minimizes magnetic interference near electronics
  • Easy mechanical integration thanks to standard oval footprint
  • Reliable performance backed by MISCO’s OEM manufacturing expertise

Industry Verticals

This Misco Speaker is suitable for a wide range of professional applications, including:

  • Casino gaming – Ideal for compact gaming terminals requiring clear voice prompts and effects
  • Mass transit systems – Reliable audio for passenger information displays and kiosks
  • Medical devices – Suitable for diagnostic or monitoring equipment where interference control is critical
  • Commercial electronics – Fits neatly into space-limited housings for control panels and terminals
  • Industrial equipment – Delivers dependable sound feedback in rugged, compact systems
Dimensions

3.543“ x 1.969“ (90 mm x 50 mm)

Nominal Impedance

8 Ω

Rated Power AES

5 W

Peak Power

10

Unit Weight

7.05 oz (200 g)

Magnet Weight

1.16 oz (33 g)

SPL (1W @ 1M)

84 dB

Frequency Range

170 Hz – 20000 Hz

Fs

208.4 Hz

Re

7.82 Ω

Le

0.1 mH

Mms

1.33 g

Rms

0.5 kg/s

Cms

0.44 mm/N

Bl

2.21 TM

Qms

3

Qes

2.81

Qts

1.56

Vas

0.284 Liters

Sd

21.49 cm2

Basket

Stamped Steel

Magnet Material

Ferrite

Cone Material

Paper

Cone Edge

Paper

Dust Cap

Paper

Voice Coil

Copper

Voice Coil Former

Paper

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