Korg.com writes:

In this era of digital audio, more and more musicians, engineers and producers are longing for the warm, full-bodied sound produced by vacuum tubes. Say hello to the all-new TP-2. In one rugged and compact unit, the TP-2 combines a dual channel tube preamp, optical compression and digital outputs ñ a total solution for your demanding audio applications.

Is the preamp compressor an electro-optical ?

Somebody have experience with this combo ?

Thanx,