Section 7, redrawn · Audio boards7-13 Schematic - Bias Buffer Amplifier Ver. A⤢ zoom7-13 Schematic - Bias Buffer Amplifier Ver. A · view his PNGVector, traced from his Paint.NET layers.Download vector (SVG)Download full size (PNG)← 7-12 PCB & Schematic - Test Oscillator7-14 PCB X-Ray - Bias Buffer Amplifier Ver. A →