A mixer like the Moog CP3

A discrete transistor circuit based 3 input, 1 output mixer known for its interesting clipping behavior.

http://www.muffwiggler.com/forum/viewtopic.php?t=91461&postdays=0&postorder=asc&start=0

• 12 mA +12V
• 12 mA -12V
• ? mA 5V
• 39 mm Depth

No info about availability.