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KELLEY MOD (+Clarity):
  C37, C39, C17, C11 - Change to 1uf
  C9, C42 - Change to .1uf
  C20, C8 - Change to .22uf
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MIDRANGE MOD (Removes annoying midrange):
  C35, C25 - Remove
  C34 - Change to .047uf
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OTHER:
  C42 - Fattens distortion (+.1uf)
  C36 - Midrange Sifter (.022-.1uf)
  R46 - Increasing will reduce pre-distortion mids boost
  R41 - Lowering will increase distortion (470 ohms recmd.)

  Replace D4 and D3 with 2 3mm red leds as smooth mods and for more volume.
  Replace D3 and D4 with Marshall style 4+1 diode clipping section.
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