Akashic Guitar effects PCB lookup

125B

PCB Guitar Mania

Mad Little Wonder

Based on the Mad Professor Little green wonder Average, total 37 components

Category
Overdrive· TS based overdrive
Difficulty
Average
Price
€9.90out 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

Of course, it is an overdrive pedal! A special little wonder that provides clarity and transparency, not usually associated with TS-based pedals. There are no mid-range dents, no bass loss, no audible compression, and a compelling sound, thanks to the body control, a dual gang stereo pot that helps you dial the perfect tone.

Introduction

Holy Moly! I had a blast with this one!

As you can imagine, when making these PCBs available for you, we have to build plenty of Tube Screamer based circuits to allow you to build the best sounding devices out there, and here comes what you already could read in the first line.

This one is outstanding good and dethroned my long-time loved custom build TS I did just for myself. Let me say this clear, sound-wise it does one thing major different from the million other versions of its kind. But first, does it still sound like you expect it? Yes, but it has that little extra no matter what way you turn the pots, and it’s super hard to describe. You got to hear it and even better compare it to your favorite Screamer; you will be surprised. Now back to that one difference I mentioned before. The Body control instead of the normal Tone Knob. A dual taper Potentiometer that sits with one part in front of the first opamp stage and with the second part behind is insanely effective and gives you a bass loaded tone, the classic sound or a really mid pushed Flavor metal guitarists use to tickle their amps even harder without getting lost in the mix.

Rumors say some guys built this with two individual Pots instead of the dual Taper and liked it. Personally, I did not try this yet.

The Building Doc applies to both the 1v0 and 1v1 versions of the PCB. The only distinction between the two models lies in the arrangement of the controls, so please use the drilling template that corresponds to your version.

Controls

• Drive

• Level

• 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.

Mad Little Wonder 1v0 & 1v1 – Building Doc

Mad Little Wonder 1v1 – Drilling template

Mad Little Wonder 1v0 – 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 33 rows

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RefValueNormalizedTypeNotes
Resistors 18
R11M1M
R25k65.6k
R31M1M
R410k10k
R55k65.6k
R627k27k
R75k65.6k
R81k1k
R92k2k
R102k2k
R1127k27k
R122k2k
R13470r470
R145k65.6k
R1547r47
R1627k27k
R1727k27k
R182k72.7k
Capacitors 10
C147n47n
C3100p100p
C5220n220n
C6100n100n
C747n47n
C21u1u
C41u1u
C81u1u
C9100u100u
C10100u100u
Diodes 3
D13mm3MM
D23mm3MM
D31n40011N4001
Transistors 1
Q12N54572N5457
ICs 1
IC1TLC272CPTLC272CP