Inspire "Sweet 807" amp by Dennis Had (of Cary Audio) single ended triode SET custom hand built tube amplifier - with 807 power tubes - Audio Asylum Trader
Linear Conchord Amplifier with 807 Tubes
specification of PP-807-Delux
DIY 807 tube monoblock amplifier, Audio, Other Audio Equipment on Carousell
Single-Ended 807 Amplifier | Evil Science Audio
807 Extended Class A Amplifier [1954 style] | diyAudio