Value Qty Device Part 1.0u Tant 2 CPOL-USE2.5-5 C1, C5 * 10u 2 CPOL-USE2.5-5 C2, C6 150u 2 CPOL-USE5-13 C4, C8 0.1u 2 C-US050-025X075 C3, C7 1N4001 2 1N4004 D2, D4 +12V 1 LED_PANEL D1 * -10V 1 LED_PANEL D3 * LM317 1 LM317TS IC1 TO CONVERT +15 TO +12 LM337 1 LM337TS IC2 TO CONVERT -15 OR -12 TO -10 -10v +12v 1 MTA04-156_12-10 J1 DOEPFER_10 1 DOEPFER_10 J2 2 MTA05-100 J3, J4 2 FE_BEAD L1, L2 10k 2 R-US_0207/10 R1, R7 * 1k 2 R-US_0207/10 R4, R8 * 22 2 R-US_0207/10 R2, R6 100k +12V 1 R_TRIM_Y R3 * 100k -10V 1 R_TRIM_Y R5 * * ONLY NEEDED IF USING ASSOCIATED REGULATOR The VCO uses +12/-10 and additional filtered power. You need both C3, C7 and both R2, and R6.