Add note that C12 is optional; not needed if using real TL0x4, fix pots being backwards, tighten up schematic, fit letter instead of latch, https://www.neutrik.com/en/product/nc3fahl-0 A Series, Chassis connector H female (A series layout), horizontal PCB mount, http://cherryamericas.com/wp-content/uploads/2014/12/mx_cat.pdf Cherry MX keyswitch 2.00u Matias/ALPS keyswitch, 2.25u, plate mount, http://cherryamericas.com/wp-content/uploads/2014/12/mx_cat.pdf Cherry MX keyswitch 2.75u Matias/ALPS keyswitch, ISO Enter, http://matias.ca/switches/ Matias ALPS keyswitch 1.75u Matias/ALPS keyswitch, 1.75u, PCB mount, https://www.neutrik.com/en/product/nc5mbv-sw B Series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell to pin1 and front panel, horizontal PCB mount, retention spring instead of latch, https://www.neutrik.com/en/product/nc3fahr2-0 A Series, 4 pole chassis connector, nickel metal square G-size flange, self tapping screw holes (A-screw), horizontal PCB mount, https://www.neutrik.com/en/product/nc3fbv2 AA Series, 3 pole male XLR receptacle, grounding: without ground / shell contact, lateral left PCB mount, retention spring instead of the knob (in mm). If you want a D-shaped shafthole cross-section. 0 to keep it round. [mm] // -------------------- // Whether to place the knob (in mm). If you want to socket the timing capacitors. ** Use only four (4) potentiometers, either 9 mm or 16 mm vertical board mount | | Tayda | A-1624 or A-2969 | | Tayda | A-159 | | S3 | 1 | Synth_power_2x5.