This DIY ribbon mic is none of those things ... but he says that a paper crimper used for crafting would work too. There’s some pretty fussy work behind the cartridge build, but everything ...

Both the original and [Frank]’s homage are ribbon microphones, in which a thin strip of corrugated metal suspended between the poles of magnets acts as a transducer. But the similarities end ...

The AXBT was the 4th generation design of the original Marconi Type A microphone (X, B and T representing improvements) widely used by the BBC from the early 1930s onwards. The ribbon microphone ...