The sound is more musical, there is much more detail, cleaner bass, and it is faster resulting in a very wide bandwidth. It is a very tough tube that can take the pounding that an OTL requires. It is everything that an OTL tube needs to be. The appearance and cosmetics of high end audio equipment has risen to levels approaching fine jewelry. That in itself is fine but the customer has to pay for it.
Truth be known, THE single, most expensive component is the enclosure.
We say enough. Consequently, we have chosen to produce an attractive enclosure that is reasonable in cost to hold prices down. There is very little diversity in the circuits used in most vacuum tube amplifiers. They all use about the same stuff. We don't have that problem.