1.5" (40 mm), 8 Ohm Voice Range Speaker

Brand Name
MISCO OEM
Part #
40RN08M-1
Built to Order
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THIS IS A “BUILT TO ORDER” PRODUCT

This is a super thin specialty application speaker for use in either outdoor or indoor applications. This speaker was designed for high-performance, clear speech. The single-piece polyester cone makes a great water and dust barrier for IP 65 applications.

  • Voice range speaker
  • 1.5" (40 mm) diameter, 0.125" thick
  • 1 watt, 8 ohms, 81 dB SPL
  • 0.6" copper voice coil, paper former
  • Neodymium magnet, stamped steel frame with zinc plating
  • Polyester cone, PET surround

Ideal for small, very thin, hand held communication devices for outdoor use. It also performs well for reproducing alarm tones for medical or point-of-sale equipment.

Download Product Specifications (PDF) »

More Information
Brand Name MISCO OEM
Speaker Type Voice
Shape of Speaker Round
Size, Nominal (inch & mm) 1.6" (41 mm)
Environment Outdoor / Indoor
Application Medical, Military, Signal / Alarm Systems, Voice Communications
RoHS Compliant Yes
PRIMARY SPECIFICATIONS
Rated impedance (Ω) 8
Rated Power IEC268-5 (W) 1 Watt
Power, Program (W) 2
Sensitivity (dB SPL) ¹ 81
Frequency range (Hz) 350 - 6,000
SMALL SIGNAL PARAMETERS
DC resistance (Re) (Ω) 7.6
Resonant Frequency (Fs) (Hz) 660
Nominal Impedance (Z) (Ω) 8
Voice Coil Inductance (Le) (mH) 0
Mechanical Q factor (Qms) 3.7
Electrical Q Factor (Qes) 9.66
Total Q factor (Qts) 2.68
MATERIAL DESCRIPTIONS
Basket type Zinc plated stamped steel
Terminal size Solder pads
Voice coil diameter (mm) 15.2
Voice coil wire material Copper
Voice coil former material Paper
Magnet Material Neodymium
Magnet weight (gm) 3.0
Cone body material Polyester
Cone surround material Single piece of polyester film
Dust cap material Incorporated in cone
Technical Notes

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