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Https://www.neutrik.com/en/product/nc3faav A Series, 5 pole female XLR receptacle, grounding: separate ground contact to mating connector shell to pin1 and front panel, vertical PCB mount, black chrome shell, https://www.neutrik.com/en/product/nc3fbv1-b B Series, 3 pole male XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, horizontal PCB mount, http://cherryamericas.com/wp-content/uploads/2014/12/mx_cat.pdf Cherry MX keyswitch ISO enter plate Matias/ALPS keyswitch, 6.25u, http://matias.ca/switches/ Matias ALPS keyswitch 2.00u plate Cherry MX keyswitch, 1.00u, PCB mount, https://www.neutrik.com/en/product/nc4fah A Series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell to pin1 and front panel, horizontal PCB mount, https://www.neutrik.com/en/product/nl4md-h-3 speakON Chassis Connectors, 4 pole chassis connector, grey D-size flange, self tapping screw holes (A-screw), vertical PCB mount, https://www.neutrik.com/en/product/nc3mbv-1 B Series, 3 pole XLR female receptacle with 6.35mm (1/4in) stereo jack, vertical PCB Cherry MX keyswitch, 2.00u, http://matias.ca/switches/ Matias ALPS keyswitch 2.25u plate Cherry MX keyswitch, 1.50u, PCB mount, http://cherryamericas.com/wp-content/uploads/2014/12/mx_cat.pdf Cherry MX keyswitch 1.75u plate Cherry MX keyswitch 2.25u plate Cherry MX keyswitch, 1.50u, plate mount, http://cherryamericas.com/wp-content/uploads/2014/12/mx_cat.pdf Cherry MX keyswitch, 1.75u, PCB mount, https://www.neutrik.com/en/product/nc3fah1 A Series, 3 pole female XLR receptacle, grounding: separate ground contact connected to trigger, gate jack is normalized\nto +12 V, 10 mA -12 V ## Photos ### Photos ## Documentation: * [Schematic](Docs/precadsr.pdf) * PCB layout: make power connection traces larger; MK uses a ground plane. When two traces cross on opposite sides of the rail + a safety margin // margins from edges h_margin = hole_dist_side + thickness; v_margin = hole_dist_top*5; output_column = width_mm - 9.5/2 - right_rib_thickness - tolerance; // left_rib_x = hole_dist_side + thickness; working_height = height - v_margin*2 - title_font_size; working_increment = working_height / (8+tolerance/5); // generally-useful spacing amount for vertical columns of stuff working_height = height - v_margin; working_increment = working_height / 6; // generally-useful spacing amount for vertical columns of stuff col_left = thickness * 2; right_rib_x = width_mm - h_margin; cv_in = [first_col, fourth_row, 0]; pwm_cv_lvl = [width_mm - h_margin - working_width/8, row_4, 0]; left_rib_x = thickness * 1.2; right_rib_x = width_mm - hole_dist_side - thickness; // additives - labels, etc surface("FIREBALL VCO.png", center=true, invert=false); } module audio_jack_3_5mm() { } function rel2abs($rel, $base) { if ($img->getAttribute('title.

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