As any named Babelfish – my iteration of Papa’s gadget .
This one is iteration of Aleph J , v2 means made as adaptive base for making almost entire power range of Aleph amplifiers .
Naturally – JFet input , cascoded to prevent poof from excessive rail voltage , additional Daughter boards for additional output mosfets.
More info here .
Pretty much everything else is seen on pictures .Last few ones are in customer friend’s room , driving a pair of exquisite Dynaudios , with so much ease , that even I was surprised ……….