Mic Mic Scharf
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Jan 23,2023
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M49 Style Microphone

Based on Oliver Archuts M49 Alternative Schematic - a set of PCBs fitting in some TLM 103 clone microphone bodies.
3463
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13
Published: Jan 23,2023
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Under the Attribution-NonCommercial-ShareAlike (CC BY-NC-SA) License.
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Topic
DIY Electronics
Audio
Music
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  • Thanks for sharing. Do the following devices highlighted in red need to be installed? If need to install, could you provide a specific part number or a link to buy?

    Mar 26,20250 Comments
    Reply

  • Hello, is it possible to use the soviet 6s6b tube instead of the 5840 ? If yes how to wire it on the PCB ?

    Oct 01,20241 Comments
    Namwoo Kim 2024-12-23 15:00:16Reply

    yes, possible.

    Reply

  • Do you have any plans to release a Pcb for a power supply? I know I would glad to see it happen. I wanted to say thank you for your hard work to make these boards that’s awesome. I would love to be able design and make stuff like this!

    Oct 31,20240 Comments
    Reply

  • Hello. I have a question. Why use utm0587? I saw that utm0549 was also being sold. Is it better for me to buy utm0587 out of the two? And can I use a PSU with a B+ voltage of 120v? I'm looking forward to your microphone. Have a nice day~^^

    Sep 13,20242 Comments
    Mic Mic Scharf 2024-09-13 13:14:02Reply

    When I built this the first time, there was no UTM0549 available.

    Namwoo Kim 2024-09-13 13:42:53Reply
    Reply@ Mic Mic Scharf：

    So it doesn't matter what I use of the two. Thank you for your answer

    Reply

  • what's the diameter of the larger pcb?

    Jun 16,20241 Comments
    Mic Mic Scharf 2024-06-17 21:46:40Reply

    52mm and 48mm

    Reply

  • This microphone needs an external power supply, right?

    Apr 24,20233 Comments
    Mic Mic Scharf 2023-04-24 16:53:41Reply

    correct!

    Andrey Fastunov 2023-04-24 17:36:14Reply
    Reply@ Mic Mic Scharf：

    I found this project of an external power supply. Will this scheme work? https://www.gyraf.dk/gy_pd/g7/gic.htm

    Mic Mic Scharf 2023-04-24 18:50:04Reply
    Reply@ Andrey Fastunov：

    if you make some changes, you can use this. Make sure you get 120V at pin 5. Instead of the 2 100k resistors you also can use a potentiometer to change the polarisation voltage. 0-120V

    Reply
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