"SolidSingle" has a lot of meanings in this case ...
"Rock Solid" ACCURATE amplification ...
A reference monitor by which to judge all external components and signals.
And ... "Solid" for "Solid State" comprising the DaviSound MasterPiece Module gain stage ...
working into three solid state, high speed power transistors in Class-A tandem ...
(Single-Ended parallel)
"Single" for a solid "Single Watt" (RMS) of full Class-A reference audio ...
(with headroom to spare - over two watt peak capability)
"Single" for "Single Ended" ...
since with this design it is not just the Class-A distinction ...
but the Class-A SINGLE ENDED distinction that makes the difference !