Simple Mixer Bill of Materials From: Guitar Effects Projects Revision: 2002-11-01 Resistors (1/4 watt ratting) 1 - 8k2 9 - 100k 1 - 1M Pots (1/4 watt rating) 4 - 10k log Miniature pots like Mouser's stock number 313-4000-10k might work well for this project. Capacitors (16 volts or higher rating) 4 - 0.1uF Film 1 - 22uF Aluminum Electrolytic 2 - 2.2uF Aluminum Electrolytic Op Amp 1 - TL072 (any dual opamp with this pinout) Other 1 - 8 pin op amp socket 5 - quarter inch jacks 9v battery snaps & holder and/or DC jack Copper-clad board, etchant, 24 gauge stranded wire Enclosure Copyright 2002 JD Sleep Guitar Effects Projects @ http://www.generalguitargadgets.com