Enclosure not stated · 4 knobs

Secret Freq

Based on the Fulltone Secret Freq· 3 other boards clone it

Schematic

The schematic image is on the project page. Open it at PCBWay.

Ref	Value	Normalized	Type	Notes
Resistors 12
×3	1k	1k		read from the schematic by eye
×3	10k	10k		read from the schematic by eye
×2	4k7	4.7k		read from the schematic by eye
×2	9k1	9.1k		read from the schematic by eye
×1	18k	18k		read from the schematic by eye
×1	2M2	2.2M		read from the schematic by eye
×1	1M	1M		read from the schematic by eye
×1	820	820		read from the schematic by eye
×1	39k	39k		read from the schematic by eye
×1	82k	82k		read from the schematic by eye
×1	20k	20k		read from the schematic by eye
×1	100k	100k		read from the schematic by eye
Capacitors 8
×2	47n	47n		read from the schematic by eye
×2	47p	47p		read from the schematic by eye
×2	100n	100n		read from the schematic by eye
×2	10n	10n		read from the schematic by eye
×2	47u	47u		read from the schematic by eye
×1	22n	22n		read from the schematic by eye
×1	1u	1u		read from the schematic by eye
×1	33n	33n		read from the schematic by eye
Diodes 2
×3	1N916A	1N916A		read from the schematic by eye
×1	1N5817	1N5817		read from the schematic by eye
Transistors 1
×1	2SC1815	2SC1815		read from the schematic by eye
ICs 1
×1	TL082	TL082		dual; both sections used; read from the schematic by eye
Potentiometers 4
Distortion	A1M	A1M	Potentiometer	read from the schematic by eye
Freq	B100k	B100k	Potentiometer	read from the schematic by eye
Volume	B100k	B100k	Potentiometer	read from the schematic by eye
Highs	B10k	B10k	Potentiometer	read from the schematic by eye