Record on a magnetic tape is possible both from the receiver, and with built in electret a microphone. The amplifier of capacity — stereophonic with target capacity 2×1 Wt. Sound heads are built in the case of a radio tape recorder.In archive schemes are resulted: 1) Basic scheme of a radio tape recorder; 2) Arrangement of elements. Board power amplifier5) The electrical circuit. power Supply6) essentially «wiring diagram. Board inputs (IN)2) A block diagram of the amplifier3) Diagram of boards4) The electrical circuit.