a c i d b o u r b o n

a digital & analog audio electronics blog by Michael Wiebusch

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Category Archives: analog projects

a simple ringmodulator-ish FX pedal

December 21, 2021by acidbourbon 6 Comments

Demo Video Introduction Earlier this year I wrote a post about how to build a simple shortwave receiver with nothing but widely available hobbyist electronics parts, i.e. 74HCxx ICs, standard […]

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analog projects, music related tech

a 74xx-defined radio

April 11, 2021by acidbourbon 79 Comments

Video Appetizer TLDR I built a shortwave radio receiver from scratch using only cheap and easily available components, i.e. standard transistors, op-amps and 74xx logic chips. No typical radio parts […]

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analog projects

Output-Transformer-Less Tube Guitar Amplifier

March 8, 2017by acidbourbon 9 Comments

Another tube amp project. I built this in Summer of 2011. I was passing by a garbage pile of electric devices and I found the wreck of a vintage tube […]

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analog projects, music related tech

An EL84 tube guitar amplifier

March 8, 2017by acidbourbon Leave a comment

Another old project (2010). Not much to tell here. Just showing some pictures. I got my hands on an old (OLD!) electrophoresis lab power supply. Really sturdy metal enclosure. Believe […]

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analog projects, music related tech

digitally controlled HiFi Amp with 4 way mixer

February 18, 2014by acidbourbon 3 Comments

Motivation Though I am a musician I don’t care for calling an expensive hi watt stereo my own. For years I have used a homebuilt stereo amplifier built around the […]

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analog projects, digital projects, music related tech

MFOS Sound Lab Mini Synthesizer (Part 2) – A MIDI2CV Converter

December 28, 2011by acidbourbon 25 Comments

Motivation So my MFOS Mini Synth is working and a treat to the “synthetophile” ears. But at the time being it makes just experimental noises … what about connecting a […]

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analog projects, digital projects, music related tech

MFOS Sound Lab Mini Synthesizer (Part 1)

October 16, 2011by acidbourbon 2 Comments

At some point I was obsessed by the wish to build an analogue synthesizer. Excessive googling lead me to this Website: http://www.musicfromouterspace.com/ Great site with lots of HQ schematics, board […]

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analog projects, music related tech

12AT7 Overdrive INSIDE the Korg CX-3

September 20, 2011by acidbourbon Leave a comment

In the fall of good old 2011 I decided that it would be a nice thing to have a tube overdrive not on top of my organ but inside the […]

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analog projects, hacks, music related tech

Low Voltage Organ Overdrive with 12AT7 (ECC81)

February 24, 2010by acidbourbon 5 Comments

It was 2010 I guess, I have been using my JCM800 preamp for distorting my KORG CX-3 compact organ (famous Hammond C3 clone, Manfred Mann plays it, too). But the […]

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analog projects, music related tech

JCM800 preamp

March 13, 2007by acidbourbon Leave a comment

It was back in the summer of 2007. I was a young man, curious about the wonders inside those little glass bulbs that are powered with possibly lethal voltages and […]

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analog projects

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