Report - TubeOhm instruments DIY synthesizer · 2018. 8. 2. · ICIOb TL074ACN R62 212K vcc R98 220K C77 4,7pF C66 R107 1.2K T12 2N3904 R105 2.7K T13 2N3904 IC12a TL074ACN R66 10K R65 220

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