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0.915281 -0.396623 0.0703598 facet normal 9.891691e-001 4.098504e-003 1.467231e-001 facet normal 0.772501 -0.634912 0.0113542 vertex 4.13938 -5.6469 10.3435 facet normal 0.787328 -0.189052 0.586834 vertex 1.9692 -0.446949 19.9 vertex 4.7383 4.44956 20 vertex 6.25621 -1.7383 20 vertex -1.21798 -6.38487 20 vertex -3.48287 5.48813 20 vertex 6.54872 -1.35564 20 vertex -7.74866 1.98952 20 vertex 2.00861 6.18187 20 vertex 6.67052 -1.15689 20 vertex 2.76756 -5.88138 20 vertex -0.408138 -6.48717 20 vertex 6.25621 -1.7383 20 vertex -3.48287 -5.48813 19.9 facet normal 0.730673 0.622319 0.280777 facet normal -0.201286 0.235684 0.950756 facet normal -9.527700e-01 -3.036929e-01 0.000000e+00 facet normal -0.0974261 -0.989343 0.108205 facet normal -0.191478 0.962628 -0.191531 vertex 0.4 -3.30114 18.3724 facet normal -0.187658 0.0572764 0.980563 facet normal 0.643697 0.528271 0.553701 vertex 7.0455 -7.0455 2.94279 facet normal -0.768469 -0.630673 0.108201 facet normal -0.0994897 -5.35951e-05 0.995039 vertex -5.04736 -6.32918 19.9509 vertex -6.60532 -4.50343 19.9409 facet normal 0.630655 0.76848 0.108222 facet normal 0.796836 0.241804 0.553699 facet normal -0.86972 -0.0905846 0.485161 vertex 6.43867 0 7.3242 vertex -6.35535 -0.201366 7.51116 facet normal 0.28858 -0.951321 0.108209 vertex 5.48554 -1.87874 21.335 vertex 2.22827 5.37951 21.335 facet normal 0.979666 0.187891 0.0703596 vertex -10.2731 4.94726 0.18985 vertex -0.84536 -10.0592 0.0491304 facet normal 0.81598 -0.545076 -0.192532 vertex 3.13695 -1.34924 18.1565 facet normal 0.766718 -0.634283 0.0991387 facet normal 0.0357195 -0.453754 0.890411 facet normal -0.224825 0.741147 0.632577 facet normal 0.03414 -0.0621913 0.99748 vertex -3.4113 -7.24174 19.9481 facet normal -0.471385 -0.881927 0 facet normal 0.0728387 0.0677121 0.995043 vertex -6.89956 6.40186 20.0916 facet normal 2.096599e-001 3.669046e-001 9.063243e-001 vertex -1.681371e+000 -5.089495e+000 2.494118e+001 facet normal -0.995114 0.0980118 -0.0119198 facet normal 0.15247 0.036616 0.98763 vertex 4.51398 0.223703 18.7299 vertex 4.32242 0.23878 18.7299 facet normal -2.880153e-004 -5.040268e-004 -9.999998e-001 ## Documentation: * [Schematic](Docs/precadsr.pdf) * PCB layout: front, back How to use the 4 pins (http://www.qingpu-electronics.com/en/products/WQP-PJ320E-177.html PJ31060-I 6pin SMD 3.5mm headphones jack plug stereo 3.5mm PJ31060-I PJ31060 TRS 3.5mm, horizontal, through-hole, https://downloads.lumberg.com/datenblaetter/en/1503_07.pdf TRS audio jack stereo horizontal circular TRS 3.5mm, horizontal, through-hole, , circular holeshttps://www.cui.com/product/resource/sj1-353xng.pdf TRS audio jack stereo horizontal circular TRS 3.5mm, horizontal, through-hole, https://www.cui.com/product/resource/sj1-353xng.pdf TRS 3.5mm, vertical, Thonkiconn, PCB mount, https://www.neutrik.com/en/product/nc3maav A Series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell to pin1 and front panel, vertical PCB mount, replaces NL4MD-V-1, https://www.neutrik.com/en/product/nl4mdxx-v-3 speakON Chassis Connectors, 8 pole chassis connector, black D-size flange, self tapping screw holes (A-screw), horizontal PCB mount, http://cherryamericas.com/wp-content/uploads/2014/12/mx_cat.pdf Cherry MX keyswitch 6.25u plate Cherry MX keyswitch, 1.25u, http://matias.ca/switches/ Matias ALPS keyswitch.

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