Solder one wire to pins 4 and 5 of the 12AX7, another
wire to pin 9 of the 12AX7. Those wires should be Speaker Jack
tightly twisted together and soldered to pins 4 & 5 - In the P1 it isn't necessary to have the
of the 6BQ5. Pins 4 & 5 of the 6BQ5 should be soldered speaker jack connecting to chassis ground.
to the eyelets holding R18 and R19 (marked by X's.) i.e. Plastic isolating washers are OK.