Just so I'm clear, the final schematic also
*changes C5 to 470nf from 100nf
*changes body spdt on-off-on switch to c50k pot
*deletes r7, R8, and r25,
*adds c22 100nf after c13 10uf
*subs 1n5817s for the 1n4148 diodes at D2 and D3?
*Volume pot changes from b100k to a100k
*R19 is replaced with 50k...