Cros Audio showed us their mic with compression system, tube based, plug the mic into the accompanying processing module which provides power and also a valve based compressor. With military spec tubes its got a transparent but still has the tube sound.
Interesting idea, and according to Andriy provides a clean sound with minimal distortion and a simple signal path for high quality sound.
More Information
Revisions that turned synths into brand new machines
The Avila Brothers talk about their journey to the recent Super Bowl Halftime Show