Beyerdynamic MM 1 Measurement Microphone


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Product Code: 1579
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The Beyerdynamic MM 1 Measurement Microphone is designed specifically for measuring sound reinforcement and PA systems. Ideal for spectrum analyzers allowing frequency response and sound pressure levels of speakers to be monitored, the compact MM1 can be mounted unobtrusively.

The MM 1 measurement microphone can be used anywhere that requires precise results. Featuring an omnidirectional polar pattern, this microphone is ideal for measuring studio spaces, PA systems and sound reinforcement systems. When used in combination with a spectrum analyser, it can monitor not only frequency response measurements, but also the sound pressure level of speakers. The MM 1 also provides a valuable service when it comes to measuring audio signals for research, development, and industry.

Strictly accurate
The MM 1 boasts impressively high measurement precision – both live and in the studio. We manufacture these microphones within an extremely narrow tolerance with a deviation of +/- 1.5 dB between 50 Hz and 16 kHz. This is made possible by our specialists checking the frequency response of each individual microphone by hand.

It’s what’s insidethat counts
A high-quality back electret condenser capsule serves as pressure receiver in the MM 1. The microphone is diffuse field calibrated and demonstrates a linear frequency response at 90°. This makes it easy to measure studio spaces, for example, without the need for too much preparation.

An unconventional alternative
The MM 1 is anything but a one trick pony. It delivers good results as an unconventional alternative for instrument recordings – perfect for spontaneously recording song ideas.

Quality Made In Germany
Handmade at the company headquarters, the MM 1 stands for beyerdynamic’s high manufacturing quality. Measurement-relevant components such as the mounting board are manufactured in-house and individually calibrated.

Form follows function
The MM 1’s shape was designed to deliver exact measurement results. Thanks to the narrow solid metal housing with recessed microphone capsule, the construction has very little impact on the sound field. This means that an increase in sound pressure at high frequencies can be largely avoided. The lightweight, compact microphone is also easy to position. This classic microphone now comes safely stored in a sturdy hard case.

Beyerdynamic MM 1 Measurement Microphone Features

  • Ideal for measuring the acoustics of various surroundings
  • Linear frequency response at 90° (diffuse field calibrated)
  • Individual calibration data available for 0° and 90° free-field measurement
  • Slimline housing for minimised effect on the acoustic surroundings
  • Handmade in Germany

Beyerdynamic MM 1 Measurement Microphone Specifications

  • Transducer Type: Condenser
  • Operating Principle: Pressure
  • Polar Pattern: Omnidirectional, Diffuse Field Calibrated
  • Open Circuit Voltage at 1 kHz (0dB = 1V/Pa): 15 mV/Pa (_ -36.5 dBV) ± 1 dB
  • Nominal Impedance: 330 Ohms
  • Load Impedance: 2.2 k Ohms
  • Connector: 3-pin XLR
  • Frequency Response: 20 - 20,000 Hz (50 - 16,000 Hz ± 1.5 dB)
  • Max. SPL at 1 kHz: 128 dB
  • S/N Ratio Rel. to 1 Pa: > 57 dB
  • A-Weighted Equivalent SPL: Approx. 28 dB(A)
  • Power Supply: 12 - 48 V Phantom Power
  • Current Consumption: Approx. 3.4 mA

Beyerdynamic MM 1 Measurement Microphone Includes

  • Beyerdynamic MM 1 Measurement Microphone
  • Microphone Clamp
  • Microphone Case
  • Manufacturer Warranty

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