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Timing capacitors. \*\* Use only four (4) potentiometers, either 9 mm or 16 mm vertical board mount | | C9 | 5 | 22k | Resistor | | J5, J12, J13 | 3 | A1M | Potentiometer | | | Q1, Q2, Q3 | 3 | 2N3904 | Small Signal NPN Transistor, TO-92 | | | | | R24, R26, R28 | 3 | 4.7k | Resistor | | | J10 | 1 Hardware/PCB/precadsr/sym-lib-table | 1 | Conn_01x10 | Pin header, 2.54 mm, 1x2 (see [build notes](build.md | | 14 pin DIP socket | | | | | | | | | | | R14 | 1 | SW_SPDT | SPDT miniature toggle switch - number of pins: 07; pin pitch: 5.08mm; Vertical; threaded flange; footprint includes mount hole for mounting screw: ISO 1481-ST 2.2x4.5 C (http://www.fasteners.eu/standards/ISO/7049/) || order number: 1847495 8A 320V Generic Phoenix Contact connector footprint for: GMSTBA_2,5/9-G-7,62; number of pins: 06; pin pitch: 3.81mm; Angled; threaded flange || order number: 1828003 8A 160V Generic Phoenix Contact connector footprint for: MSTBVA_2,5/7-G-5,08; number of pins: 04; pin pitch: 5.08mm; Vertical; threaded flange || order number: 1757530 12A || order number: 1843224 8A 160V Generic Phoenix Contact connector footprint for: MSTBA_2,5/4-G; number of pins: 06; pin pitch: 7.62mm; Angled; threaded flange; footprint includes mount hole for mounting screw: ISO 1481-ST 2.2x4.5 C (http://www.fasteners.eu/standards/ISO/7049/) || order number: 1776595 12A || order number: 1777086 12A || order number: 1836228 8A 320V Generic Phoenix Contact connector footprint for.

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