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TREBLEVOLUMEBASSGAINMIDS

125B · 5 knobs

PCB Guitar Mania

Maximum Crank

Based on the Krank Distortus Maximus· 1 other board clones it

Category
Distortion· High Gain Drive
Controls
Treble · Volume · Bass · Gain · Mids
Difficulty
Easy
Price
€11.90out of stock

Heads up Builders widely report inconsistent quality from PCB Guitar Mania boards, and whether a given board works is a gamble. Read recent forum reports before ordering.

From the vendor

Project overview

Inspired by Krank Distortus Maximus, a discontinued pedal that recreates all the signature tone and high gain of Krank amplifiers. This is a simple and easy beginner-friendly project, yet full of gain and saturation. Ideal for beginners seeking a metal drive!

Introduction

This definitely one of the most satisfying and rewarding builds I’ve ever made! As for sure you are aware that “high gain” and “beginner-friendly” are not the most common associated tags when we are talking about DIY pedals, but the Maximum crank really surprised me here!

Once I’ve finished my build after placing just a very few components I ended up having a powerful pedal delivering a crazy amount of gain while being dead quiet on noise floor levels.

The 3 band passive tone stack is exactly the same as the one present on most high gain amplifiers so it won’t be an issue for you to set that up on your favorite settings and use this pedal as an additional dirt channel for your clean amp.

Controls

• Gain

• Volume

• Bass

• Mids

• Treble

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.

Maximum Crank – Building docs

Maximum Crank – 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 28 rows

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RefValueNormalizedTypeNotes
Resistors 8
R14M74.7M
R2430K430k
R343K43k
R4390R390
R510K10k
R656K56k
R7100R100
R833K33k
Capacitors 11
C14n74.7n
C222n22n
C322n22n
C44n74.7n
C722n22n
C822n22n
C9470p470p
C11100n100n
C547u47u
C610u10u
C10100u100u
Diodes 1
D11N58171N5817
Transistors 1
Q12N50882N5088
ICs 1
IC1LM386LM386
Potentiometers 5
TREBLE250KAA250kPotentiometer
VOLUME1MBB1MPotentiometer
BASS1MAA1MPotentiometer
GAIN50KBB50kPotentiometer
MIDS25KBB25kPotentiometer
LEDs 1
D23mm LED3MM LED

Other boards based on the Krank Distortus Maximus