I have just bought a Chrometta 14 C from one of Hohner's retail outlets. I currently also possess two Super Chromonica 12 Cs. I have been playing harmonics since the last 30 years and am quite adept at it.
About 20 years back, I had bought an "Orchestra Special" version of Chrometta 14. One doesn't get that now-a-days.That was a brilliant piece of instrument with great sound quality.
But the present model of Chrometta 14 is pretty ordinary, it sounds hollow and leaky and for a single reed player using tongue blocking it is not at all ergonomic.