Even more tank like in the metallic brushed flesh
than suggested by what clearly were not Photoshopped stock photos, the innards described by Jam revealed themselves as follows.

His custom toroid proved to be quite a bit taller than most competitors' of similar diameter.

Here we see one complementary pair of Fairchild output Mosfets.

Continuing with views from both sides...

... we end with a furtive glance at the input Jfets. Front row centre of the above photo, we spot the solitary IC of the entire affair. As already mentioned, it handles DC offset.

What perhaps best sums up this visual inspection is a repetition of our refrain "definitely more amp than preamp". How would that translate to sonics?