Beyerdynamic M640

Not many microphones by Beyer or Beyerdynamic have earned their place in the unholy mic crypts of trashblitz, simply because they are too good and too well known. The M640N, though, is exactly where it belongs: among the bad guys in microphone history.

It’s a public address mic, found in churches, behind cash registers and on a trusty old gooseneck at your local swimming pool.

Tiny! A tiny microphone! And not very good!

Tiny! A tiny microphone! And not very good!

As such, it has been tailor-made to assist the human voice in one of its less pleasant modes: Issuing commands, making things clear and letting you know that the swimming pool is closing in 15 minutes and you should pack your stuff and leave.

One rather nice feature of it, though, is that it is small. Or rather tiny. It measures some 8cm from front to back, and you can fit it almost anywhere. Some people say it’s a favourite for snare bottom, and I can understand that – it’s tiny and it rings and rattles along without a care in the world, so why not?

  • Frequency response: 100 – 12,000 Hz
  • Impedance: 200 Ω
  • Polar pattern: cardioid
Style: (3.0 / 5)
Sound: (2.0 / 5)
Uniqueness: (4.0 / 5)
Usefulness: (2.5 / 5)

Trash:Gold ratio 3:1

  1. have one of these— just bought a 3pin tuchel to xlr conversion cable. i saw one site where they say that pin 1is audio and pin 2 is sheild– does that sound right?

    • Hi James, that should work! Pin 2 is the ground wire on most 3 pin Tuchel connectors, 1 is (+) and 3 is (-)

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