SA-47 MK2- Tube Condenser Microphone

Vintage Large-diaphragm Tube Condenser Mic

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(1 customer review)


Exact replica of the most revered vocal tube microphone in history, the Neumann U 47.

SKU: sa-47-2019-b1-1 Category: Tags: , ,

Recreating one of the most legendary tube microphones

The SA-47 MK2 is an exact replica of the most revered vocal tube microphone in history, the Neumann U 47. With the aid of a Telefunken-Siemens EF800 NOS tube, Braingasm Lab’s M-7 capsule, and a AMI BV08 output transformer, we have managed to give this replica the true character of an original Neumann U 47 at a fraction of the price, making it affordable to everyone.


The SA-47 MK2 is made with premium components

Since the capsule is the single most important component on a microphone’s tone, we have decided to take extra care and use the best replica available, the M-7 by Braingasm Lab.

The SA-47 MK2 features premium capacitors on the audio path as well as polystyrene capacitors, which are more stable and much more linear in the top end This makes them the perfect choice for feedback circuitry. Additionally, the unit features a NOS Telefunken tube reducing noise and the output impedance to give this microphone the true character of an original U 47 microphone.

We have remained 100% faithful to the original vintage circuit and schematic and have made no compromise in parts, which ensures you are get the best possible sounding microphone.


100% satisfaction guarantee – if you don’t love your SA-47 MK2, we’ll refund you

If you’ve used an original vintage U 47 before, we’re extremely confident the SA-47 MK2 will put a big smile on your face every time you use it.

However, if you’ve never touched the original before, as gear-lovers ourselves we understand that the only way to really know if this tube microphone is for you, is to put it through its paces.That’s why the SA-47 MK2 comes with a 30-day money back guarantee. This allows you to get it into your studio and see how it impacts your recordings. If you love it (and we think you will!), great…keep the unit and create amazing music with it. If not, no problems. Just send it back to us and we’ll fully refund your purchase. Don’t worry, whichever way you decide to go we will remain friends.

Technical Specs

  • Custom designed M-7 capsule from Braingasm Microphones Lab
  • AMI BVR8 Output transformer
  • Telefunken-Siemens NOS EF800 tube
  • Omni Pattern switching
  • Ohmite Carbon comp resistors
  • Neutrik connectors
  • PSU 110-220V
  • Custom microphone holder
  • Wooden Box
  • Flight Case
  • 20Hz – 20kHz frequency response
  • Hand made in Chile
  • 2 year warranty (excluding tubes)
  • 30 day money back guarantee

1 review for SA-47 MK2- Tube Condenser Microphone

  1. Ad Swart

    In 1996 I was doing a performance ( I am a singer) for the son in law of an old piano-teacher. The old man was a very friendly person and he said (after I set up my p.a. system) to look around freely in his studio. So I did and in the corner I saw a videocamera with next to it a microphone on a stand, which was a Telefunken ELA M 251. At that time the only expensive microphone that I knew was a Neumann U87. The old man told me the microphone was too sensitive for his camera and he wanted to sell it. As I was at that time busy building my own studio I thought it could be something for me so I bought it from him for 500 dutch guilders.
    When I came home I rang my son who was a teacher at a multimedia school and asked him if he knew this type of microphone. A very nervous colleague of my son rang me back within 5 minutes and offered me to swap the Telefunken to any microphone of my choice and I said I’d swap it for a Neumann U87.
    He was an honest guy and said he would do better and offered me a Neumann U47.I was not familiar with that microphone yet in those days, but he advised me to look it up on the internet. When I did I thought he was pulling my leg as there was a Neumann U47 for sale on it for 19.000 dutch guilders (at that time that was around $ 9.500 ) and I thought who would offer me an expensive mic like that for one I bought for only 500 guilders?
    The guy told me the Neumann had a better sound than the Telefunken, but the Telefunken was rarer for collectors, and he was a true collector, he had lots of Neumanns in his studio I saw, when I went to his house to make the swap.
    I used the U47 for 8 years and then the tube went dead. Finding a new one for a reasonable price was impossible, they were offered to me for over 3.000 (in the meantime now Euro’s)
    So I sold it and regretted it afterwards ever since….
    Thanks to STAM AUDIO I feel I have it back now. As soon as I set up my new SA 47 MKII I went wild !! Oh boy the sound is amazing!! And due to my impatience for the long wait I saw it was directly available at Gear4music so I bought it there and received it two days later. I wanted to cancel the order at stam, but just at that moment I received a track and trace for it ! So that one arrives to morrow and I decided to keep it too, so I will be the very proud owner of TWO SA47 MKII
    What a great mic this is !!

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