Both pots are fine.
If you need a choice: Take the largest one.
The Chorus position is when pin 2 of the switch connects to the "minus" side of C37 (2.2uF).
You can check this with a continuity (resistance) measurement.
Of course you can always turn the switch 180 degrees around in the enclosure!
If you need a choice: Take the largest one.
The Chorus position is when pin 2 of the switch connects to the "minus" side of C37 (2.2uF).
You can check this with a continuity (resistance) measurement.
Of course you can always turn the switch 180 degrees around in the enclosure!