Akashic Guitar effects PCB lookup
RATEFDBK

1590BB · 2 knobs

Madbean

Polytrog

Based on the EHX Polyphase

Category
Distortion· Overdrive, Distortion & Boost
Controls
Rate · Fdbk
Difficulty
Advanced
Price
$16.00in stock
Tags
FilterMod

Schematic

The schematic is in the vendor's build document, page 13. Open the build document. No KiCad fragment has been drawn for this circuit yet.

Parts list 141 rows

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RefValueNormalizedTypeNotes
Resistors 76
R11M1M
R406k86.8k
R2470k470k
R411k31.3k
R3390k390k
R42390R390
R475k75k
R43100k100k
R556k56k
R44620k620k
R656k56k
R4556k56k
R7100k100k
R4651k51k
R8220k220k
R47100k100k
R9620k620k
R48470k470k
R10620k620k
R49100k100k
R11100k100k
R504k74.7k
R1236k36k
R5118k18k
R1318k18k
R524k74.7k
R1415k15k
R5315k15k
R1515k15k
R548k28.2k
R1615k15k
R55470k470k
R1715k15k
R56240k240k
R1815k15k
R57470k470k
R1915k15k
R58100k100k
R2015k15k
R59100k100k
R2115k15k
R60100k100k
R2215k15k
R61100k100k
R2315k15k
R62100k100k
R2415k15k
R63100k100k
R2515k15k
R6410k10k
R2618k18k
R6539k39k
R2736k36k
R664k74.7k
R2822k22k
R67820k820k
R29100k100k
R68330R330
R30100k100k
R692k72.7k
R31100k100k
R7015k15k
R32100k100k
R7112k12k
R33100k100k
R7275k75k
R34100k100k
R73100R100
R3543k43k
R74100R100
R363k63.6k
R7510k10k
R373k63.6k
R7668k68k
R3815k15k
R3982k82k
Capacitors 36
C147n47n
C21uF1u
C31uF1u
C422uF22u
C54n74.7n
C622uF22u
C710n10n
C810n10n
C910n10n
C1010n10n
C1110n10n
C1210n10n
C134n74.7n
C141uF1u
C155n65.6n
C1647pF47p
C178n28.2n
C180.47uF470n
C1910uF10u
C2010uF10u
C211uF1u
C2222n22n
C2322n22n
C24220uF220u
C2510uF10u
C261uF1u
C2710uF10u
C28330n330n
C29220uF220u
C30100n100n
C3147uF47u
C32100uF100u
C33100uF100u
C34100uF100u
C35100uF100u
C36470n470n
Diodes 10
D11n9141N914
D21n9141N914
D31n9141N914
D41n9141N914
D51n9141N914
D61n40011N4001
D71n58171N5817
D815v Zener15V ZENER
D91n58171N5817
D101n58171N5817
Transistors 5
Q12N50882N5088
Q22n39042N3904
Q32N50882N5088
Q42N50872N5087
Q52N50882N5088
ICs 10
IC145584558
IC245584558
IC345584558
IC445584558
IC545584558
IC6CD4013CD4013
IC7CA3140CA3140
IC8LM324LM324
IC9LM1458LM1458
IC10LT1054LT1054
Potentiometers 4
MOD100KBB100kPotentiometer
SENSE100KBB100kPotentiometer
FDBK100KBB100kPotentiometer
RATE1MCC1MPotentiometer