Mono current feed back power amp,circuit modify from Rowland model 9,overcome the unstable factor of normal current feedback power amp. sew rate around 300V/s, bandwidth around 5 Mhz. With loudspeaker protect circuit with DC servo. With 4 pair Power MOSFET, FET input buffer, buffer stage after voltage amp stage. left right channel pcb is in symmetric design
board size 260mm X 65mm, board thick 2mm

150W/8 ohm per channel