Mic & Mod U87 / C12 Microphone Kits

Projects > Mic & Mod U87 / C12 Microphone Kits

While DIY reproductions of the classic U87 are not hard to come by, most projects require the builder to do much of the work in terms of sourcing parts. For a high-quality, turnkey DIY reproduction, Mic & Mod offers several options.


  • U87 kit:
    • PCB designed and fabricated by Poctop
    • Unmarked body
    • Cardioid/omni with MK67 capsule, with addition of fig.8 with MK87 capsule
    • Cinemag output transformer (modeled after AMI T13)
  • C12 kit:
    • PCB designed and fabricated by Mic & Mod
    • Unmarked 251-style body
    • Variable 9-pattern polar response (omni/cardioid/fig.8)
    • NOS GE 6072A tube
    • Dedicated power supply


  • 399EUR for U87 full kit (799 for matched pair)
  • 119EUR for U87 partial kit (does not include transformer or body)
  • 649EUR for C12 full kit (1299 for matched pair

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One thought on “Mic & Mod U87 / C12 Microphone Kits

  1. Anyone have their MCA SP1 Mocs modded? There’s the Michael Joly and Microphone Parts mods. How do these compare to the Jim Williams mod? I don’t have much experience w a solder gun, but the mic parts diy mod is $150 cheaper, and I have a pair I wanna mod.
    I’m curious what people’s opinions are on these SP1 mods. Hopefully some of u have tried more than one, if not all..


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