The Bias End of the board The Volume and Tone Control The Input Jacks V1, V2 and Speaker Jack Power Section Ground, Separate AC Ground, Heat Shrunk Fuse Block. Over to Bottom of Chassis, making room for 1/10th Power Switch in its place. Protection Diodes on Rectifier Tube Socket. Lamp Assembly, 25 Watt Thermal Pasted Resistors for 1/10 Power Mod. Power Tube Sockets with 3 Watt 470R Screen Resistors. Cathode to ground (will replace with 1 ohm resistors when they arrive).