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Back surdos (L for low, H for high R/L Accented note (right/left hand suggested r/l Quieter, unaccented note * : trill, generally three very fast notes on updating the fireball for rev 2 beta f12031bb41 updates to rev 2 d89db83df1 revised README.md to rev 2 Notes on needed revisions from revision 1: **Corrected:** Fix silkscreen misalignment for lower three knobs 4efd2875e8 Replaced accidentally dropped Fine tuning hole. Main synth_tools/Schematics/SynthMages.pretty/P160_pot_hole_nonpcb.kicad_mod 24 lines Binary files /dev/null and b/3D Printing/Panels/Radio_shaek_standoff_padded.stl differ Binary files /dev/null and b/Docs/precadsr_layout_back.pdf differ Binary files /dev/null and b/Datasheets/tl074-pinout.jpeg differ Binary files /dev/null and b/caixa_sr2.png differ Latest commits for file Schematics/circuit.pdf main synth_tools/RadioShaek2Board.diy 5515 lines 2bd01a1ff2 Add schematic, start on PCB sandwich, making some final-ish decisions about connecting to front panel to PSU PCB (will affect choice of 9 mm or 16 mm vertical board mount. \*\* Use only four (4) potentiometers, either 9 mm or 16 mm vertical board mount OR: | | | | | | S3 | 1 | SW_DPDT_x2 | Switch, single pole triple throw, 3 position switch, SP3T K switch triple-pole double-throw DPDT spdt ON-ON D Double Pole Single Throw (DPST) Switch K switch normally-open pushbutton push-button D MEC 5G single pole double throw Precision Timers, 555 compatible, PDIP-8 0.2A Ic, 40V Vce, Small Signal NPN Transistor, TO-92 | | | | | | J7 | 1 | SW_SPDT | Switch, single pole triple throw, 3 position switch, SP3T K switch SPST angled PTS645VL31-2 LFS C&K Button tactile switch https://www.ckswitches.com/media/1973/ksc7.pdf C&K Switches 1P1T SMD PTS125 Series 12mm Tact Switch Low-profile SMD Tactile Switch, https://www.e-switch.com/system/asset/product_line/data_sheet/165/TL3342.pdf SWITCH SMD KSA SW 4-bit rotary coded switch, gull wing, Gray code, https://www.nidec-copal-electronics.com/e/catalog/switch/sh-7000.pdf SMD SMT crystal Abracon ABM10 Abracon Miniature Ceramic Smd Crystal ABM10 http://www.abracon.com/Resonators/ABM10.pdf SMD SMT ceramic resonator filter DSS6 SMD Resomator/Filter Murata TPSKA, http://cdn-reichelt.de/documents/datenblatt/B400/SFECV-107.pdf, hand-soldering, 4.5x2.0mm^2 package SMD Crystal 2012/2 http://txccrystal.com/images/pdf/9ht11.pdf, hand-soldering, 2.0x1.2mm^2 package SMD SMT crystal hand-soldering SMD Crystal Oscillator.

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