Lithium Grim Purple Octave, Building Instructions

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Purple Octave v1.1
Manufacturer and product names are mentioned solely for circuit identification, and where applicable their trademarks are the
property of their respective owners who are in no way associated or affiliated with the author. No cooperation or endorsement
is implied.
3
50 mm x 50 mm
1.97 in x 1.97 in
Components
ID Value Comment ID Value Comment
C1 10n SMF/MKT R1 2M2 1% metal film
C2 470p Ceramic R2 820k 1% metal film
C3 22u Electrolytic R3 680k 1% metal film
C4 1n Ceramic R4 180k 1% metal film
C5 22u Electrolytic R5 100k 1% metal film
C6 100n SMF/MKT R6 220R 1% metal film
C7 10n SMF/MKT R7 220R 1% metal film
C8 22u Electrolytic R8 39k 1% metal film
C9 22u Electrolytic R9 47k 1% metal film
C10 10n SMF/MKT R10 39k 1% metal film
C11 10n SMF/MKT R11 330k 1% metal film
C12 100n SMF/MKT R12 470k 1% metal film
C13 100u Electrolytic R13 10k 1% metal film
C14 100n SMF/MKT R14 2M2 1% metal film
D1 1N5817 R15 10k 1% metal film
D2 1N4148 R16 820k 1% metal film
D3 1N4148 R17 100k 1% metal film
Q1 2N3906 R18 2M2 1% metal film
Q2 MPSA13 R19 2M2 1% metal film
Q3 MPSA13 R20 10k 1% metal film
Q4 MPSA13 R21 150k 1% metal film
R22 4k7 1% metal film
VR1 C10k Drive
VR2 A1M Volume
PCB layout
A=Log, B=Lin, C=Rev. Log