Akashic Guitar effects circuit lookup
VOLUMEDISTDRIVERESONANCETONE

125B · 5 knobs

PCB Guitar Mania

Soviet Drive

Based on the LEL` DD

Category
Distortion· Unique distortion and overdrive
Controls
Volume · Dist · Drive · Resonance · Tone
Difficulty
Intermediate
Price
€11.90out of stock

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From the vendor

Project overview

Are you looking to add some classic Soviet rock flavor to your sound? Look no further than the Soviet Drive! This distortion stompbox is inspired by LEL` DD, the “The legend of soviet rock,” a pedal widely used among soviet musicians, and that will grant you that missing tone you were looking for.

Introduction

The original LEL` DD is as legendary as rare; made in Russia from 1985 to the 2000s, it was by far one of the most popular pedals in the Soviet Market, competing head to head with icons like the Estradin Effekt-2 Phaser. Its popularity is justified; this stompbox distortion/overdrive allows you to release unique soviet flavor sounds that go from heavy metal dust to dirty garage overdrive.

With two circuits in one pedal and a mini-toggle that allows fast switching between them, get ready for a wide range of drive/distortion options that perfectly recreate that signature sound of Soviet rock.

The distortion section is as heavy and noisy as it gets; by contrast, the sound of the overdrive is not brutal, and it applies a powerful EQ to the signal, cutting everything except for middles in a narrow 800-10kHz range.

Controls

Potentiometers

• Dist

• Drive

• Resonance

• Volume

Switches

• Dist-Drive

For further analysis on this circuit take a look at this thread on Free Stomp Boxes Forum.

For any technical questions regarding this build don’t forget to check out our Facebook Group and our forum at Free Stomp Boxes.

Soviet Drive – Building Docs

Soviet Drive – Drilling template

Schematic

The schematic is in the vendor's build document, page 5. Open the build document. No KiCad fragment has been drawn for this circuit yet.

Parts list 67 rows

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RefValueNormalizedTypeNotes
Resistors 30
R21100k100k
R410k10k
R610k10k
R2610k10k
R3110k10k
R912k12k
R1915k15k
R3180k180k
R101k1k
R271M1M
R2220k20k
R13240k240k
R15240k240k
R16240k240k
R72k2k
R112k2k
R2436k36k
R253k3k
R14430k430k
R8470k470k
R12470k470k
R30470k470k
R147k47k
R547k47k
R2056R56
R32560k560k
R236k86.8k
R177k57.5k
R187k57.5k
R2820k820k
Capacitors 19
C1150n150n
C4150n150n
C7150n150n
C9150n150n
C25150n150n
C121n21.2n
C2220p220p
C52n22.2n
C82n22.2n
C132n22.2n
C11330n330n
C16330n330n
C274n74.7n
C368n68n
C668n68n
C1022u22u
C144u74.7u
C154u74.7u
C184u74.7u
Diodes 6
D11N41481N4148
D21N41481N4148
D31N41481N4148
D41N41481N4148
D51N41481N4148
D01N58171N5817
Transistors 3
Q12N50892N5089
Q32N50892N5089
Q22N51162N5116
ICs 1
IC4LM324LM324
Potentiometers 5
VOLUMEA50kA50k
DISTB220kB220k
DRIVEB220kB220k
RESONANCEB50kB50k
TONEB50kB50kDual
Trimmers 1
TRIM50k50k
Switches 1
DIST-DRIVEDPDT toggle on/onDPDT TOGGLE ON/ON
LEDs 1
LED3mm red LED3MM RED LED