madbeanpedals::forum

Projects => Build Reports => Topic started by: Guitarmageddon on July 25, 2012, 05:46:04 AM

Title: Moebius Mudbunny
Post by: Guitarmageddon on July 25, 2012, 05:46:04 AM
I was asked to put together something a little bit interesting, based on a Muff, so I made this.
The Moebius Muff.

I etched a Mudbunny board and built it to Creamy Dreamer specs with BC549C trannys.

(http://i190.photobucket.com/albums/z30/codtone/IMG_8972.jpg)

Second stomp switches on the Regerative Feedback Loop. It's my take on the Howl of Flaming Death Mod which includes an externally mounted LDR and produces wild, but tunable, self-oscillation. LDR is mounted in a 3mm bezel.
 
(http://i190.photobucket.com/albums/z30/codtone/IMG_8988.jpg)

Escher etch of Ants crawling around a Moebius Strip, which is an incredible single sided object with some fascinating properties...google and build one if you haven't heard of it!

(http://i190.photobucket.com/albums/z30/codtone/moebius.jpg)

(http://i190.photobucket.com/albums/z30/codtone/IMG_8993.jpg)

And a little Demo:

Title: Re: Moebius Mudbunny
Post by: Bluestrat on July 25, 2012, 07:10:21 AM
BADASS :o Very cool.
Title: Re: Moebius Mudbunny
Post by: Guitafuzz on July 25, 2012, 08:44:25 AM
Really Cool Congratulations!!!!!!!!  by the way what brand of caps are you using (the Yellow ones)?
Title: Re: Moebius Mudbunny
Post by: Guitarmageddon on July 25, 2012, 09:00:19 AM
Really Cool Congratulations!!!!!!!!  by the way what brand of caps are you using (the Yellow ones)?
Thanks Gents!
I bought those caps from Caps n' Such... when they closed and liquidated.
They have no brnd marking though. I do subscribe to the line of thought that says any 100n cap will sound exactly like a 0.1uf cap. ;)
Title: Re: Moebius Mudbunny
Post by: night-B on July 25, 2012, 11:52:54 AM
Hi! Congrats! This is a really nice muff. Can you post your mod layout please?

Julien
Title: Re: Moebius Mudbunny
Post by: bigrigg on July 25, 2012, 12:48:30 PM
awesome graphics
Title: Re: Moebius Mudbunny
Post by: Guitarmageddon on July 25, 2012, 07:51:36 PM
Thanks for the kind words.
Hi! Congrats! This is a really nice muff. Can you post your mod layout please?

Julien
The Creamy Dreamer values are listed in the Mudbunny build doc. I made a couple of very minor changes (used BC549C and used an asymetrical clipping set up in the second diode pair)
To do the feedback loop is quite simple, I first saw the idea on Beavis' "Howl of Flaming Death Mod", as illustrated here:
(http://www.beavisaudio.com/Projects/FuzzLab/FuzzCloneMods_V2.gif)

I put the LDR in series and used a smaller value pot. If you look at the gut shot you should be able to figure out how I wired it. ;)
Title: Re: Moebius Mudbunny
Post by: night-B on July 25, 2012, 11:46:24 PM
Thanks a lot  ;)
Title: Re: Moebius Mudbunny
Post by: Vallhagen on July 29, 2012, 10:48:43 AM
Very cool pedal, and very nice etch.

The overall best with this thing is the idea/theme though... the neverending Moebius and an evergoing feedback ... Brilliant thinking. Its a bit like "damm, why didnt i come up with that idea myself ;) "

Keep up the good work!