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Another UltraStoner Mudbunny (with component values)

Started by marauder, February 29, 2012, 11:05:41 AM

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marauder

A Skreddy ?Lady approximation with mid pot for the scoop.

Big thanks to sgmezei for the mudbunny board.





Here's the component values for the mudbunny board.

R1 1M
R2 33K
R3 100K
R4 470K
R5 100R
R6 18K
R7 820R
R8 8K2
R9 56K
R10 470K
R11 100R
R12 10K
R13 8K2
R14 100K
R15 470K
R16 100R
R17 18K
R18 33K (6K8 if using mid pot)
R19 33K
R20 390K
R21 100K
R22 10K (original ?Lady has 8K2+2K7 and takes output from the junction between them)
R23 2K7
R24 jumper

R25 additional 8K2 connected to tone pot wiper from pad, on reverse of board

C1 10UF
C2 470PF
C3 220NF
C4 220NF
C5 470PF
C6 1UF
C7 330NF
C8 470PF
C9 100NF
C10 5.6NF
C11 10NF (15nf if using mid pot, adjusted to stop scooping high mids)
C12 100NF
C13 100NF
C14 100UF
C15 not used

D1-D4 1N4148
D5 1N4001

Q1 2N5088
Q2 BC549C
Q3 BC549C
Q4 BC109C

Original is Q1-Q3 2N5133, Q4 BC109C.  Above combo gave a very close approximation of original.  The original has a little more sparkle on the top end.

SUS 100KB
TONE 100KB
VOL 100KB
MID 47KB (50-60% is very close to version without mid pot).  50KB will be OK.

tagwap

I'd eat my dinner off that! Super clean inside. Love the white pcb.

nzCdog

The inside of that pedal is mesmerising! Very Nice 8)

chromesphere

#3
Like the ribbon cable.  Its the business. Ultra-tidy build!

That white board looks awesome! :o

Paul
Pedal Parts Shop              Youtube

sgmezei

Looks badass man. I'm glad the board got there safe and sound.

add4

Beautiful! what's the switching used on this? i can't see the 3PDT lugs so i guess you're using 2PDT? millennium bypass?

juansolo

He is indeed. We use it where we can on our own builds as we prefer the DPDT stomps for reliability reasons. Used to be for cost reasons too, but it's actually slightly more expensive to use it these days.
Gnomepage - DIY effects library & stuff in the Stompage bit
"I excite very large doom for days" - playpunk

bigmufffuzzwizz

Love this build! Great name, decals and I like that you've modified it! Wrote down your values gonna give it a try sometime. Not too sure what you mean for R25, are you saying its between tone lug 2 (wiper) to tone pad 2 on board?
Thanks!
Owner and operator of Magic Pedals

Bret608

Could that be Monster Magnet influence on the artwork? That would be very appropriate for a Muff!

midwayfair

Beautiful build! Thanks for posting the components, too. It's one of the few muff variants I'm really interested in.

alanp

This is the Monster Magnet sounding pedal, right? Love their sound.
"A man is not dead while his name is still spoken."
- Terry Pratchett
My OSHpark shared projects
My website

juansolo

Quote from: Bret608 on May 02, 2012, 09:51:54 PM
Could that be Monster Magnet influence on the artwork? That would be very appropriate for a Muff!

That's Bongzilla on this one. I've got a Magnet promo on my Ultrastoner. Both are Malleus promo's/artwork though.

Done a box for the cherrybomb when it arrives that's yet another ;)
Gnomepage - DIY effects library & stuff in the Stompage bit
"I excite very large doom for days" - playpunk

Bret608

I like Malleus' promos then! It's properly in that Magnet cosmos, which for a stoner-type pedal is precisely how it should be...