A German company who built a couple of really great sounding products in the early 80's that are analog hybrids. The PPG Wave computer of 1978 was all digital developed in cooperation with Tangerine Dream. This was highly overshadowed by the better sounding Fairlight machine which emerged just a little later and had the advantage of the rapidly developing technology edge that brought their sound within spec I suppose. Check out Paul Maddox's great site with pics of most of the products it appears.
Wave 2, 2.2 Wave 2.3 Realizer