Andy Evans wrote:

Currently six people I know are building preamps with DHTs as a result
of hearing the difference in their systems.

So do tell me about this 'difference'. Even better, what's the reason
for it ?

You have to hear it - nothing else will enable you to understand what
I'm talking about. We can discuss DHTs but I can't "tell" you what they
sound like.

You can't even begin to describe it ?

Graham