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EHX microsynth squarewave fuzz (or suggest another squarewave fuzz)

Started by the3secondrule, June 06, 2014, 06:50:21 AM

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Soup39


the3secondrule

In case anyone was wondering where this was at, I received a message on Facebook today, from a kind gentleman in Tokyo who had received my boards from OSHpark  8)

I'm glad I labelled the boards "tinnitus industries", and I'm glad he took to effort to look me up on Facebook. Boards are now en-route to New Zealand so hopefully I'll be building the prototype shortly ...
"I have many leatherbound books, and my apartment smells of rich mahogany"

alanp

"A man is not dead while his name is still spoken."
- Terry Pratchett
My OSHpark shared projects
My website

the3secondrule

"I have many leatherbound books, and my apartment smells of rich mahogany"

micromegas

I'm eager to see this working!!

I see this paired with a Kraken as a MicroSynth killer.
'My favorite programming language is solder' - Bob Pease

Software Developer @ bela.io

selfdestroyer


the3secondrule

"I have many leatherbound books, and my apartment smells of rich mahogany"

the3secondrule

Boards arrived. Will hopefully build and verify tonight y'all  8)
"I have many leatherbound books, and my apartment smells of rich mahogany"

selfdestroyer

Quote from: the3secondrule on July 22, 2014, 05:24:59 AM
Boards arrived. Will hopefully build and verify tonight y'all  8)

Very cool news. Hope it all works out.

Cody

the3secondrule

Found another bug in my layout - easy fix though.
Just need to pick up a couple more resistor values, then I can fire it up.
Fingers crossed  8)
"I have many leatherbound books, and my apartment smells of rich mahogany"

lars

We're all pulling for you! If this works as expected, I think everyone is gonna want to build one...wait, how many extra boards do you have? :o

the3secondrule

Haha, only two spares, but I've got rev2 ready to send to fab if this works  8)
"I have many leatherbound books, and my apartment smells of rich mahogany"

the3secondrule

WE HAVE FUZZ!

Sounds pretty good/nasty too, if I do say so myself.
The octave up is a little glitchy, but the fuzz is massive and woolly - unsure if it needs any filtering, I may still try sending the square wave signal to an EQ pedal to play around with it

Plenty of interest so I'm offering up the boards for $11us ea if anyone is keen. Includes postage anywhere in the world.

couple of caveats - these are proto's, so there's a couple of fixes needed -
a couple of jumpers, and a pad that need to be isolated from ground.
Also, it requires +/-9v, so i'm running it off a roadrage.

first in first served

WOOHOO
"I have many leatherbound books, and my apartment smells of rich mahogany"

lars

Congrats, sounds like you have it working just right. I was jamming with my Microsynth and the octave up is kind of glitchy anyway, that's what makes it such a great pedal. You get a little bit different sound with every pick attack. I'll be down for the Rev2 board when those are ready. Great work!

the3secondrule

Quote from: lars on July 23, 2014, 03:25:41 AM
Congrats, sounds like you have it working just right. I was jamming with my Microsynth and the octave up is kind of glitchy anyway, that's what makes it such a great pedal. You get a little bit different sound with every pick attack. I'll be down for the Rev2 board when those are ready. Great work!

Yeah, that's how I remembered my microsynth working, but since it's long been sold, I didn't have anything to compare my pedal against. you can dial out a bit of the gating with the squelch trimmer, it's also fairly interactive with the gain control. (I made this an external control, mostly because I didn't have any 10K trimmers).

Is the octave up fairly thin sounding compared with the guitar signal on the original?

The squarewave fuzz sounds massive on it's own, and positively monolithic with the guitar and octave blended in.
Pretty happy with how this turned out!
"I have many leatherbound books, and my apartment smells of rich mahogany"