Enclosure not stated · 2 knobs

Roger Mayer Octavia 2

Category: Fuzz· Fuzz and Fuzzy Noisemakers
Controls: Drive · Volume
Price: see vendor
Tags: Fuzz and Fuzzy Noisemakers

Open the schematic at Experimentalists Anonymous

Schematic

The schematic is the archived file. Open it at Experimentalists Anonymous, or browse its folder.

Parts list 41 rows

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Ref	Value	Normalized	Type	Notes
Resistors 21
R1	2M2	2.2M		read from the schematic by eye
R2	180k	180k		read from the schematic by eye
R3	820k	820k		read from the schematic by eye
R4	680k	680k		read from the schematic by eye
R5	220E	220		220 ohm; read from the schematic by eye
R6	100k	100k		read from the schematic by eye
R7	220E	220		220 ohm; read from the schematic by eye
R8	47k	47k		read from the schematic by eye
R9	39k	39k		read from the schematic by eye
R10	39k	39k		read from the schematic by eye
R11	470k	470k		read from the schematic by eye
R12	330k	330k		read from the schematic by eye
R13	10k	10k		read from the schematic by eye
R14	10k	10k		read from the schematic by eye
R15	2M2	2.2M		read from the schematic by eye
R16	820k	820k		read from the schematic by eye
R17	100k	100k		read from the schematic by eye
R18	2M2	2.2M		read from the schematic by eye
R19	2M2	2.2M		read from the schematic by eye
R20	10k	10k		read from the schematic by eye
R21	150k	150k		read from the schematic by eye
Capacitors 12
C1	22uF	22u		electrolytic; read from the schematic by eye
C2	10nF	10n		read from the schematic by eye
C3	470pF	470p		read from the schematic by eye
C4	1nF	1n		read from the schematic by eye
C5	22uF	22u		electrolytic; read from the schematic by eye
C6	10nF	10n		read from the schematic by eye
C7	100nF	100n		read from the schematic by eye
C8	22uF	22u		electrolytic; read from the schematic by eye
C9	22uF	22u		electrolytic; read from the schematic by eye
C10	10nF	10n		read from the schematic by eye
C11	10nF	10n		read from the schematic by eye
C12	100nF	100n		read from the schematic by eye
Diodes 2
D1	1N4148	1N4148		read from the schematic by eye
D2	1N4148	1N4148		read from the schematic by eye
Transistors 4
Q1	2N3906	2N3906		PNP; read from the schematic by eye
Q2	MPSA13	MPSA13		Darlington (BC517 alternative); read from the schematic by eye
Q3	MPSA13	MPSA13		Darlington (BC517 alternative); phase splitter; read from the schematic by eye
Q4	MPSA13	MPSA13		Darlington (BC517 alternative); read from the schematic by eye
Potentiometers 2
Drive	C10K	C10k	Potentiometer	P1; drawn 10k - log, and the notes say 10k negative logarithmic (reverse log); read from the schematic by eye
Volume	A1M	A1M	Potentiometer	P2; drawn 1M log; read from the schematic by eye