Here you can find schematics for various effects units.

• Aries AR-315 Balanced Modulator
• Aries AR-329 Phaser-Flanger
• Elektor Vocoder
  • Part 1 ( zip file - 1.2m )
  • Part 2 ( zip file - 1.1m )
• Juergen Haible's FS-1 Frequency Shifter

Thanks go out to the following people:

• Tony Clark
• Juergen Haible
• Anders Sponton