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HIGHLOWVOLUME

125B · 3 knobs

PCB Guitar Mania

Swedish Metal SMD

Based on the BOSS HM2· 1 other board clones it

Category
Distortion· High gain Distortion
Controls
High · Low · Volume
Difficulty
Easy
Price
€21.90out of stock
Tags
smd

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

About The Pedal Creators

Everyone can build excellent boutique guitar pedals. Everything we do is to make that experience more accessible and user-friendlier. The Pedal Creators series are the best and easiest to build PCBs ever. Including most resistors and capacitors already soldered on board as SMD components, leaving the key values for you to experiment and craft your own tone. Now you can build a pedal you are proud of in less than an hour without any previous experience. What are you waiting for to become a Pedal Creator?

The Pedal creators – key features:

• Easy to build, no previous experience required. It’s like Lego for musicians.

• Fast assembly finish a pedal in less than an hour. Play your favorite record and enjoy the ride along.

• 100% mistake-proof. Even my grandma can build one while she cooks.

• Build your own boutique pedal. Experiment with different values and make the pedal you always dreamed of.

• Easy to scale. Turn your passion into a money-making machine.

Project overview

Inspired by Boss HM2, one of the most important distortion pedals in metal’s history which defined 80s heavy metal tone. This pedal is a cult classic that any guitarist must-have has a companionship.

Introduction

We actually do not understand why the Boss MH2 even has knobs, but we added one more to make it more useful. I mean, you crank them all and get the sound 1990 metal tone from Sweden. Instant Entombed buzzsaw tones just by pushing the footswitch down. But still, giving the EQ a third band makes it easier to use it with all kinds of amps. Make sure you check the footprint of the 2.2uf you buy. They can cause some headaches if you source too big ones.

There is scarcely a more important pedal in underground metal. Used in many different contexts across the last three decades, it is still in force and vigorous than ever.

Controls

• Distortion

• Hight

• Low

• Mid* (Optional)

• Volume

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.

Swedish Metal SMD – Building Docs

Swedish Metal – Drilling Template

Schematic

The schematic is in the vendor's build document, page 6. Open the build document. No KiCad fragment has been drawn for this circuit yet.

Parts list 27 rows

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RefValueNormalizedTypeNotes
Capacitors 9
C547uF47u
C610uF10u
C2010uF10u
C23100uF100u
C2447uF47u
C101u1u
C111u1u
C131.3u1.3u
C221u1u
Diodes 8
D01N58171N5817
D11N9141N914
D21N9141N914
D31N9141N914
D4BAT46BAT46
D5BAT46BAT46
D61N9141N914
D71N9141N914
Transistors 4
Q12N54572N5457
Q22N50882N5088
Q32N50872N5087
Q42N50882N5088
ICs 3
IC1JRC4558JRC4558
IC2JRC4558JRC4558
IC3JRC4558JRC4558
Potentiometers 3
HIGH10KAA10kPotentiometer
LOW10KAA10kPotentiometer
VOLUME10KAA10kPotentiometer

Other boards based on the BOSS HM2