Princess Rawr v1 WORD - Rullywow DIY Guitar Pedal PCB Store · Princess Rawr v1 – Build D ocument Description: Description: The PrincessPrincessPrincess RawrRawrRawr OOOOverdrive
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Princess Rawr v1 – Build Document
Description:Description:Description:Description:
The PrincessPrincessPrincessPrincess RawrRawrRawrRawr OOOOverdrive verdrive verdrive verdrive is inspired by the Catalinbread KATZENKONIG. The circuit is
based around a Tonebender merged with a Rat. This is a dynamic, interactive fuzz where
small interactions with the controls can make a big difference. Nice organic sounds.
“PrincessRawr” Fuzz/Distortion
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Princess Rawr v1 – Build Document
Build TipsBuild TipsBuild TipsBuild Tips & Tricks& Tricks& Tricks& Tricks::::
• NEW! NEW! NEW! NEW! The MS MS MS MS ExcelExcelExcelExcel version of the BOM is now available on the product page.
With this you can do cool things like sort the BOM by value or possibly make
notes for yourself for easier building/shopping etc.
• Enclosure SizeEnclosure SizeEnclosure SizeEnclosure Size………… This pedal is designed to fit into a 1590B
• TTTTransistorsransistorsransistorsransistors: : : : It is unknown which actual NPN transistors are in the circuit
however 2n3904 seem to work good in the test circuit.
• It is always a good call to solder components from shortest height to tallest.
In this case, you should start with resistors, diodes, film caps, transistors and
the electrolytic caps last.
• The IN/G/9V/OUT pads are a direct match to Rullywow.com 3PDT and Detour
Optical Bypass PCBs..pick some of these cool PCBs up for a super-easy
building experience at rullywow.com
• All pots are designed for 16mm Alpha Right Angle PCB mount. I normally
grab these from Tayda Electronics, however Smalbear and Mammoth have
them as well. I always suggest to drill holes in your enclosure first, and
mount the pots and switch with the nuts BEFOREBEFOREBEFOREBEFORE soldering the pots to the
PCB. This ensures you won’t put a lot of stress on the PCB and everything
lines up nicely.
PrincessRawr v1 Caps Diodes Resistors
C1 68n film D1 1n5817 R1 1M
C2 1n film D2 1n914 R2 100k
C3 47pF ceramic D3 1n914 R3 470k
C4 22uF electro Pots R4 1k
C5 150n film FILTER 100kA R5 10k
C6 10n film GAIN 250KB R6 1k
C7 47uF electro INPUT 250KB R7 1k
C8 10uF electro OUTPUT 100kA R8 150R
C9 10uF electro Transistors R9 3k9
C10 4u7 electro R10 22k
C11 3n3 film Q1-Q4 2n3904? R11 3k9
C12 220nF film R12 2k2
C13 1uF film R13 1k
R14 1M
R15 1M
R16 3k3
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Princess Rawr v1 – Build Document
• 9v/GND 9v/GND 9v/GND 9v/GND pads are included at the top of the PCB for your convenience. You
can use these or not. Helpful if you want to put your DC jack at the top of the
enclosure for example.
• The 1n4007The 1n4007The 1n4007The 1n4007 diodes can be substituted for 1n4001 or whatever 1n4xxx you
may have on hand.
• Be sure to insulate the pots from shorting on the back of the PCB. There are
special pot covers (like from Smallbear or Mammoth) or you may use non-
conductive tape or some other insulating material like cardboard etc.
• Before putting your creation into its enclosure, you should always test it! If it
doesn’t work outside the enclosure, it won’t work inside (I promise!)
PCB Dimensions
1.6”w x 1.7”h
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Princess Rawr v1 – Build Document
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Princess Rawr v1 – Build Document
Drill Guide (1590B) :Drill Guide (1590B) :Drill Guide (1590B) :Drill Guide (1590B) :
This is an This is an This is an This is an APPROXIMATEAPPROXIMATEAPPROXIMATEAPPROXIMATE drill guidedrill guidedrill guidedrill guide and is untestedand is untestedand is untestedand is untested. Enclosures. Enclosures. Enclosures. Enclosures differ in size so be sure to differ in size so be sure to differ in size so be sure to differ in size so be sure to
measure before your commit to drill!measure before your commit to drill!measure before your commit to drill!measure before your commit to drill!
Terms of Use:Terms of Use:Terms of Use:Terms of Use:
• PCBs from www.rullywow.com are intended for DIY use and are prohibited for
commercial resale. It is OK to build (and sell) a few pedals for your friends,
bandmates, yourself (that is what the DIY guitar pedal community is all about!).
Don’t be a tool and goop over the name on the PCB in an attempt to hide where it
came from. Thank you.
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