Section 7, redrawn · Audio boards7-15 PCB X-Ray - Bias Buffer Amplifier Ver. B⤢ zoom7-15 PCB X-Ray - Bias Buffer Amplifier Ver. B · view his PNGVector, traced from his Paint.NET layers.Download vector (SVG)Download full size (PNG)← 7-14 PCB X-Ray - Bias Buffer Amplifier Ver. A7-16 PCB & Schematic - Master Oscillator + Power Supply →