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Month: February 2019

Square Wave Oscillator

3 Jun 202628 Feb 2019 by chords
Square Wave Oscillator 52ac3e14398e

Came across this Instructable the other day and thought it would be a good addition to the library. Would be a good first step into the synth world and apparently plays nice with guitar pedals. Already built it myself and it works great, and fits nicely in a 1590G.  

Categories Uncategorized Tags effectslayouts, Synth, Verified Leave a comment

Lovepedal Zendrive 2

3 Jun 202626 Feb 2019 by chords
Lovepedal Zendrive 2 ea473514b6b1

The Zendrive 2 is a big box version of the Zendrive, using a 12AX7 internally. Sadly the tube is only being used for clipping, replacing the BAT41 and 1N34a diodes in the small box Zendrive. But according to reliable sources, it sound very good, with some harmonic mojo happening. Other than the tube clipping, there’s … Read more

Categories Uncategorized Tags effectslayouts, Hermida, Lovepedal, Overdrive, Verified Leave a comment

zVex Machine

3 Jun 202622 Feb 2019 by chords
Zvex Machine 193afcbcfb5d

Happy Fuzz Friday! Not sure how I haven’t laid this one out before. Think of it like a mashup of a SHO and Tim Escobedo’s Tripple Fuzz, and then repeated. Here’s the schematic for reference. This one was drawn up based on an early 2000s model and the input SHO section I’ve modified to the … Read more

Categories Uncategorized Tags Distortion, effectslayouts, Fuzz, Verified, ZVex Leave a comment

Inverting Phase Buffer

3 Jun 202619 Feb 2019 by chords
Phase Inverting Buffer 1 dd2b208d45a7

Got a request for a dual buffer that inverted the phase of the signal. Found this post from Parasit Studio and used it for the basis of this design. I added polarity protection, power filter cap, and output caps. You can use either dedicated jacks for the in phase and inverted phase outputs, or use … Read more

Categories Uncategorized Tags Buffer, effectslayouts, Utility, Verified Leave a comment

Bearfoot Model H

3 Jun 202614 Feb 2019 by chords
BearFoot Model H e95cfbcaa8d8

Keeping it in alphabetical order, here’s Bjorn’s Model H. Similar to the Model G, but without the the “C” pot and a few value changes, it emulates the Hiwatt amps Pete Townsend used on Live at Leeds. Here’s the schematic for reference.

Categories Uncategorized Tags BearFoot FX, effectslayouts, Overdrive, Verified Leave a comment

BearFoot FX Model G

3 Jun 202612 Feb 2019 by chords
BearFoot Model G 842198b30368

Today’s layout is the Model G from Bjorn. It’s a variation of the Honey Bee and aims to replicate the sounds of some classic Gibson amps from the 50s and 60s. Board mounted pots and should be an easy fit in a 1590B. Schematic over on FSB.

Categories Uncategorized Tags BearFoot FX, effectslayouts, Overdrive, Verified Leave a comment

Keeley Rotten Apple

3 Jun 20268 Feb 2019 by chords
Keeley Rotten Apple 755fecdab04a

Happy Fuzz Friday, everyone! Here’s another one of Robert Keeley’s takes on the IC Big Muff with a quad opamp (the other being the Psi Fuzz). Pots are board mounted and it should fit into a 1590B.

Categories Uncategorized Tags effectslayouts, Fuzz, Keeley, Verified Leave a comment

EWS Tri-Logic Bass Preamp II

3 Jun 20265 Feb 2019 by chords
EWS TriLogic Bass Pre 450d6c8fde66

Here’s a pretty simple but effective bass preamp from EWS. It’s a 3-band EQ being pushed by a MOSFET gain stage. Looks like EWS made a version for Xotic with the same name. Not a lot different between the two other than some value changes laid out in this schematic on FSB. I’ve laid it … Read more

Categories Uncategorized Tags Bass, effectslayouts, EWS, Preamp, Verified, Xotic Leave a comment
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This site is an experiment, an archive, a fancy.  Most content is goodness rescued (and noted) from blogspot for posterity from various sources including AWC, GPB and others.

 

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