I agree, why post it here.
btw, "designed as a single channel with master volume."
take your guitar and this gizmo with a single speaker down to the subway, put some seed money in your hat, have at it.
My little luxman uses 4 of those tubes, stereo, 10 wpc. It seems more powerful, drove my 87 sensitivity Wharfedale's surprisingly well, now my 91 sensitivity AR-2ax's very well!