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.
Audition and place samples in a creative context
With Ventris Dual Reverb, Arturia Keystep and Lab4Music Sipario