[Helius]

Hey I was wondering if there was any difference between the two? Is the ST just a replacement of the DH?

 

[Wilhelm]

The NICOLAI Helius "DH" is the predecessor of the "ST". The "DH" is not in production any more. The "ST" is the actual model since the 2004 catalogue. It was upgraded for 2005.

For specs see
http://www.nicolai.net