analog Summing Rig with 6 x ToolMix8, 1 x ToolMix16, and ToolMst
Analog Summing Gear ToolMix
ToolMix analog summing rig with 64 mono inputs and 4 stereo inputs; 6 analog summing boxes ToolMix8, 1 ToolMix16 summing mixer, and 1 Master and Monitor Controller ToolMst.
Analog Summing Box ToolMix8  Summing Mixer ToolMix16  Master and Monitor Controller ToolMst  

analoge Summing rig with 64 Inputs