4 input 7 output submixer with wavefolder

T mix includes TL and TR @ x2 gain
B mix includes BL and BR @ x2 gain
L mix includes TL and BL @ x2 gain
R mix includes TR and BR @ x2 gain
Positive mix includes all 4 inputs 
Negative mix includes all 4 inputs inverted at -1v to 0v
Fold output is all 4 inputs mixed and then rectified in two stages

8HP
LZX GEN3 Power
34mm mounting depth
120mA @12v