Akashic Guitar effects circuit lookup
FIXED CONTROL VOLTAGE

Enclosure not stated · 1 knob

Experimentalists Anonymous

Moog 902

Category
Other· Amplifiers and VCAs
Controls
Fixed Control Voltage
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see vendor
Tags
Amplifiers and VCAs
Open the schematic at Experimentalists Anonymous

Schematic

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Parts list 68 rows

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Check before you build · 1 value the reader of this schematic was not sure of
  • P3: drawn 2.5 followed by an ohm sign; could be meant as 2.5K
RefValueNormalizedTypeNotes
Resistors 41
R168K68kread from the schematic by eye
R26868read from the schematic by eye
R315K15kread from the schematic by eye
R468K68kdrawn 68 K; read from the schematic by eye
R5220K220kread from the schematic by eye
R61K1kread from the schematic by eye
R7330330read from the schematic by eye
R8330330read from the schematic by eye
R91010read from the schematic by eye
R10470470read from the schematic by eye
R11120120read from the schematic by eye
R12820820read from the schematic by eye
R13100K100kread from the schematic by eye
R14100K100kread from the schematic by eye
R15100K100kread from the schematic by eye
R162.2K2.2kread from the schematic by eye
R173.9K3.9kread from the schematic by eye
R18100100read from the schematic by eye
R19100100read from the schematic by eye
R20150150read from the schematic by eye
R21150150read from the schematic by eye
R222.7K2.7kread from the schematic by eye
R2327K27kread from the schematic by eye
R24100K100kread from the schematic by eye
R251515read from the schematic by eye
R261515read from the schematic by eye
R271.5M1.5Mread from the schematic by eye
R288.2K8.2kread from the schematic by eye
R291K1kread from the schematic by eye
R301K1kread from the schematic by eye
R3110K10kread from the schematic by eye
R3210K10kread from the schematic by eye
R338.2K8.2kread from the schematic by eye
R341K1kread from the schematic by eye
R35470470read from the schematic by eye
R36750750read from the schematic by eye
R37680680read from the schematic by eye
R38680680read from the schematic by eye
R39100K100kread from the schematic by eye
R403333read from the schematic by eye
×1100100undesignated 100 ohm between the Q8/Q9 emitters; read from the schematic by eye
Capacitors 5
C1.022uF22ndrawn .022; read from the schematic by eye
C210uF10uelectrolytic, 64V; read from the schematic by eye
C380uF80uelectrolytic, drawn 80; read from the schematic by eye
C4400uF400uelectrolytic, drawn 400; read from the schematic by eye
C5100pF100pread from the schematic by eye
Diodes 2
CL-1CL-1CL-1current-limiting diode feeding the input bias network; read from the schematic by eye
DB1DiodeDIODEdiode bridge drawn DBI (four diodes), no part number given; read from the schematic by eye
Transistors 13
Q12N33922N3392NPN; read from the schematic by eye
Q22N40582N4058PNP; read from the schematic by eye
Q32N40582N4058PNP; read from the schematic by eye
Q42N33922N3392NPN; read from the schematic by eye
Q52N33922N3392NPN; read from the schematic by eye
Q62N33922N3392NPN; read from the schematic by eye
Q72N33922N3392NPN; read from the schematic by eye
Q82N33922N3392NPN; read from the schematic by eye
Q92N33922N3392NPN; read from the schematic by eye
Q102N33922N3392NPN; read from the schematic by eye
Q112N40582N4058PNP; read from the schematic by eye
Q122N40582N4058PNP; read from the schematic by eye
Q132N40582N4058PNP; read from the schematic by eye
Potentiometers 1
Fixed Control Voltage5K5kPotentiometerread from the schematic by eye
Trimmers 5
P12525Input Balance, 25 ohm; read from the schematic by eye
P2250250Output Bias, 250 ohm; read from the schematic by eye
P32.52.5Output Balance, drawn 2.5 with ohm sign; read from the schematic by eye
P42.5K2.5kInput Bias; read from the schematic by eye
×1100100undesignated Q8-Q9 balance trimmer, 100 ohm, newer models only; read from the schematic by eye
Switches 1
SW1DPDTDPDTControl Mode EXP/LIN; read from the schematic by eye