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Wolfshirt2020

FX TYPE: Octave Fuzz

Based on the Foxx® Tone Machine™

Enclosure Size: 1590B, 1590B2, 125B
“Softie” compatibility: Softie1&2

© 

2020 

madbeanpedals

Overview

I’ve said more than once that the Foxx Tone Machine is my favorite fuzz/octave pedal. I think I’ve said 

the same thing about the Tychobrahe Octavia. I’ve come to accept that both statements are true :)

If the Octavia (mbp Retrograde) is the classic, Hendrix style oct-up fuzz, then the Tone Machine 

(Wolfshirt) is its unruly cousin; the one that has a few too many at family gatherings and then 

proceeds to mortify everyone. The fuzz is thicker and the octave up is more prominent. Basically, a bit 

of a face melter.

As with all analog octave up generators, the Wolfshirt is monophonic. It doesn’t do chords well at 

all with all kinds of odd harmonics taking over. But, for lead and single note playing it cuts through 

exceedingly well. The Wolfshirt also includes a switch to defeat the octave up for fuzz only and 

replaces the coupling electrolytic caps in the audio path with 1uF film caps. For mojo.

http://www.effectsdatabase.com/model/foxx/tonemachine#info

Controls

•  VOL: 

Total output.

•  SUS: 

Fuzz amount.

•  TONE: 

Low pass filter.

•  OCT : 

Left: fuzz only. Right: fuzz + octave.

Terms of Use: 

You are free to use purchased 

Wolfshirt2020 

circuit boards for both DIY and small commercial operations. You may not 

offer 

Wolfshirt2020

 PCBs for resale or as part of a “kit” in a commercial fashion. Peer to peer re-sale is fine, though.

Technical assistance

 for your build(s) is available via the 

madbeanpedals forum

. Please go there rather than emailing me for 

assistance on builds. This is because (1) I’m not always available to respond via email in a timely and continuous manner, and (2) 

posting technical problems and solutions in the forum creates a record from which other members may benefit.

Содержание Wolfshirt2020

Страница 1: ...over But for lead and single note playing it cuts through exceedingly well The Wolfshirt also includes a switch to defeat the octave up for fuzz only and replaces the coupling electrolytic caps in the...

Страница 2: ...Parts Wolfshirt2020 madbeanpedals...

Страница 3: ...Values Wolfshirt2020 madbeanpedals...

Страница 4: ...Traces Wolfshirt2020 madbeanpedals...

Страница 5: ...s R4 47k C4 1uF Q1 Q4 2n3565 R5 100k C5 1uF Switches R6 100k C6 1uF OCT On On R7 4k7 C7 1uF Pots R8 100k C8 10uF SUS 50kB R9 4k7 C9 1uF TONE 50kB R10 100k C10 2n7 VOL 50kB R11 100k C11 47n R12 220R C1...

Страница 6: ...al Film 1 4W 22k 1 Carbon Metal Film 1 4W 47k 3 Carbon Metal Film 1 4W 100k 5 Carbon Metal Film 1 4W 150k 1 Carbon Metal Film 1 4W 470k 1 Carbon Metal Film 1 4W 1M 1 Carbon Metal Film 1 4W 1n 1 Film 1...

Страница 7: ...lbear electronics mybigcommerce com alpha single gang 16mm right angle pc mount 9mm Plastic Shaft 50kB http smallbear electronics mybigcommerce com alpha single gang 9mm right angle pc mount w knurled...

Страница 8: ...adbeanpedals While I do recommend sticking with the stock 2n3565 transistors for this build I used a transistor package that allows for different pinouts For the 2n3565 the flattened side of the trans...

Страница 9: ...Wiring Diagram Wolfshirt2020 madbeanpedals...

Страница 10: ...approximate and may require tweaking depending on the types of jacks switches and pots you use madbeanpedals This is a tight fit but should work if you use the Lumberg style 1 4 jacks I don t recommen...

Страница 11: ...ots you use madbeanpedals Shown with Softie 2 relay bypass If you are using one of the mbp 3pdt bypass boards or just a 3pdt switch on its own move the drill spot for the switch a bit lower so you can...

Страница 12: ...se the same drill spot for 3PDT switch or move to your desired location Drill only one LED spot Enclosed top jacks are used here but you should also be able to fit open frame metal jacks or the Lumber...

Страница 13: ...Voltages Wolfshirt2020 madbeanpedals 9 42vDC One Spot Current Draw 3mA Q1 2n3565 Q2 2n3565 Q3 2n3565 Q4 2n3565 C 2 24 C 7 72 C 7 17 C 8 02 B 0 75 B 2 24 B 0 84 B 0 81 E 151mV E 1 61 E 221mV E 202mV...

Страница 14: ...Build Pic Wolfshirt2020 madbeanpedals...

Страница 15: ...Schematic Wolfshirt2020 madbeanpedals...

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