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The Fostex Model M115/M115B
hypercardioid moving coil microphone

Fostex M115


The M115 is a high-quality moving coil microphone with a flexible shaft, designed for professional, commercial, and industrial applica­tions where superior performance and appearance are required. The microphone body and flex shaft are small to allow unobtrusive posi­tioning and a unique, thin diameter flex shaft design produces a very smooth, quality feel not normally found in a flex shaft microphone.

Fostex M115

Handling and vibration-generated noise are kept to a minimum through a highly effective isolation and suspension system. The M115 has a tailored response for high speech intelli­gibility and a hypercardioid pattern for reduced feedback and ambient noise pick-up. The built-in pop filter reduces wind and breath noise. The M115 case houses an on-off switch and an XLR connector for direct mounting on the console or podium. The 600-ohm output im­pedance is suitable for most low-impedance microphone inputs. The microphone is finished in matte metal to reduce glare in television and live use. The Fostex M115 is well-suited for a multitude of applications including churches and restaurants (paging), broad­cast and re­cording studios (talkback), as well as other industrial and commercial uses.




  • Type   Moving coil

  • Polar Pattern   Hypercardioid

  • Frequency Range   90-12,000 Hz

  • Output Impedance   600 ohms

  • Sensitivity   Open Circuit Voltage (0 dB=1 V/Pa) −60 dB
  • Sensitivity   Output Level (0 dBm=1 mW/Pa) −63.8 dBm
  • Sensitivity   EIA Microphone Rating Gm −157 dB

  • Induction Noise   7 dB SPL Under

  • Wind Noise   51 dB SPL Under

  • Output Connector   XLR/A3F

  • Finish   Nickel

  • Dimensions   22 mm × 333 mm (78 in × 13110 in)

  • Net Weight   220 g (7.8 oz)


No switch

M115B has Japanese BTS type connector.

Fostex M115

Technical Report
Download the Technical Report for this mic.


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