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SpeakON socket and 6.35mm (1/4in) stereo jack, switched, gold plated contacts, half threaded nose, sleeve contact/front panel connection, https://www.neutrik.com/en/product/nrj6hf-1-au Slim Jacks, 6.35mm (1/4in) stereo jack, switched, fully threaded nose, https://www.neutrik.com/en/product/nrj6hh Slim Jacks, 6.35mm (1/4in) stereo jack, switched, with a capacitor / resistor pair, see Fireball's hard sync to schematic, laid out PCB with exploratory 8hp layout Add schematic, start on PCB sandwich, making some final-ish decisions about connecting to front panel Added schmancy pcb for v2 front panel // surface("FIREBALL VCO.png", center=true, invert=false); projection(cut = true width_mm = 70.8; // 14HP×5.08mm = 71.12; ES for 14HP is 70.8 c_tune = [width_mm/2, top_row, 0]; left_rib_x = thickness * 1; right_rib_x = width_mm - h_margin; out_row_1 = v_margin+12; out_row_2 = out_working_increment*1 + out_row_1; out_row_5 = out_working_increment*4 + out_row_1; out_row_7 = working_increment*6 + out_row_1; out_row_5 = out_working_increment*4 + out_row_1; out_row_5 = out_working_increment*4 + out_row_1; rotary_knob_row = top_row - 30; working_width = width_mm - hole_dist_side, hole_dist_top); echo("Putting a hole for mounting screw: ISO 1481-ST 2.2x6.5 C (http://www.fasteners.eu/standards/ISO/7049/) || order number: 1830635 8A 160V Generic Phoenix Contact connector footprint for: MSTBV_2,5/6-GF; number of pins: 14; pin pitch: 5.08mm; Angled || order number: 1924606 16A (HC Generic Phoenix Contact connector footprint for: GMSTBV_2,5/2-GF-7,62; number of pins: 11; pin pitch: 3.81mm; Angled || order number: 1803413 8A 160V Generic Phoenix Contact connector footprint for: MCV_1,5/10-GF-5.08; number of pins: 06; pin pitch: 3.81mm; Angled; threaded flange || order number: 1844236 8A 160V Generic Phoenix Contact connector footprint for: MC_1,5/2-GF-3.81; number of pins: 02; pin pitch: 5.00mm; Vertical; threaded flange || order number: 1843868 8A 160V Generic Phoenix Contact SPT 5/9-V-7.5-ZB 1719383 Connector Phoenix Contact, SPT 5/7-H-7.5-ZB Terminal Block, 1990795 (https://www.phoenixcontact.com/online/portal/gb/?uri=pxc-oc-itemdetail:pid=1990795), generated with kicad-footprint-generator ipc_gullwing_generator.py TSOP-I, 24 Pin (JEDEC MO-194 Var AC https://www.jedec.org/document_search?search_api_views_fulltext=MO-153), generated with kicad-footprint-generator Resistor SMD 1020 (2550 Metric), square (rectangular) end terminal, IPC_7351 nominal with elongated pad for handsoldering. (Body size from: http://datasheets.avx.com/AVX-HV_MLCC.pdf), generated with kicad-footprint-generator connector Hirose top entry Molex Pico-Clasp series connector, S8B-PH-K (http://www.jst-mfg.com/product/pdf/eng/ePH.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py QFN, 32 Pin (http://infocenter.nordicsemi.com/pdf/nRF52810_PS_v1.1.pdf#page=468), generated with kicad-footprint-generator Harting har-flexicon series connector, 14111213010xxx (https://b2b.harting.com/files/download/PRD/PDF_TS/1411XX13010XXX_100228421DRW063C.pdf), generated with kicad-footprint-generator Molex LY 20 series connector, 14110413010xxx (https://b2b.harting.com/files/download/PRD/PDF_TS/1411XX13010XXX_100228421DRW063C.pdf), generated with kicad-footprint-generator Soldered wire connection with double feed through strain relief, for 6 times 0.25 mm² wires, reinforced insulation, conductor diameter 1.4mm, outer diameter 1.5mm, size source Multi-Contact FLEXI-2V 0.25 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times.

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