That's a nice one, dave!
I'd like to know the differences between enabled and non-enabled, could you possibly tell me that in email?
I'd say it might be the TB W8-1808
To quote someone else "this is a whole 'nuther driver".
I have a pair of treated & untreated in the same mMar-Kel boxes for anyone that wants to come by and compare.
It is possible to say what is happening (greater downward dynamic range), but you have to hear to Grok what it really means.
dave