Blank Board Instructions
Follow the pics to install the parts on your board for a Cathode Biased Amp
Step1) Install 2 100k ½ watt resistors on the board at locations R1,R2
Step2) Install the 12v Zener diode at location ZD1 making sure the banded side of the
diode is orientated like the image on the board
Step 3) Install the 10 ohm 5 watt resistor in the R4 location on the board.