A Journey Into the Ultimate DIY Headphone & Speaker Amp
1.1 // THE POWER ARCHITECTURE: A TWIN ENGINEWhen you run four Class A amplifier boards, they pull a massive amount of continuous...
// 02 / Technology / The workbench
Technology
The technical layer behind AERA: the machines, repairs, circuits, tests, mistakes, rebuilds, and signal paths that eventually become part of the music. This is where I document the devices I build, restore, modify, and use.
Build families
Four ways into the workbench.
The archive is organized by the kind of machine being shaped: monitoring and
amplification, synthesizers and sequencing, rhythm machines, and effects or signal
processing. Each family opens into a focused archive of related build posts.
01
Amplifiers & Monitoring
Power amplifiers, headphone amplifiers, speakers, racks, and the listening chain that decides what the music really is.
02
Synths & Computers
Analog voices, sequencers, modular systems, vintage recreations, and the machines that create the raw material.
03
Drum Machines & Sequencers
Analog & TR-style rhythm machines, authentic recreations, analog pulse, strict timing, and the mechanical side of groove.
04
Effects & Processing
Phasers, chorus, analog delays, flangers, and analog studio processing circuits that change the emotional size of the room.
Build log by category
Recent posts from each technical world.
A compact view of the latest work in each category. The full archive for each family
lives on its own detail page, while this page stays readable and gives visitors a fast overview of the current technical work.
Amplifiers
Amps & Monitoring
Power, clarity, gain structure, headphone amplifiers, monitoring chains, and the pieces that decide how honestly I hear the studio.
Building the AMB Beta24 power Amp
1.1 // THE ARCHITECTURE: NO SAFETY NETBefore you dive into building a Beta24, you have to understand what you are getting into....
Building the CBT-36: My Journey with Constant Beamwidth Transducers
1.1 // WHY NOW?Once I got back home from my US trip, I couldn't get that sound out of my head.I started...
Synths
Synths & Computers
Oscillators, filters, control voltage, step logic, interfaces, restorations,
and the machines that generate pattern and tone.
Building the Beast: My Journey to a Large Analog Synthesizer
1.1 // THE GATEWAYEvery obsession has a starting point. For me, it was Blacet Research. They offered both complete and DIY modules...
Back to 1981: Recreating the Roland Jupiter 8
1.1 // A MASTERPIECE OF MINIATURIZATIONUnlike its sibling, the Deckard's Dream, the ISE-NIN is impressively compact. The kit consists of the main...
Creating Music with an Atari Falcon030
1.1 // A VINTAGE | MODERN STUDIOWhy bother in 2026? The answer lies in three letters: DSP.Unlike its predecessors, the ST and...
Rhythm
Drums & Sequencers
Rhythm circuits, timing, trigger behavior, noise sources, repairs and the physical machinery of pulse.
The Beat That Changed Everything: The TR-909 Legacy
1.1 // A MEMORY FROM 1985My own fascination with this machine started decades ago. When I bought my first analog synthesizer in...
Building a Beat: The Sound of a Roland TR-808
1.1 // WHY ?My obsession with this machine started when I listened to Tangerine Dream's Poland album and hearing the magical sounds...
The Birth of the MSS 2007 MIDI Step Sequencer
1.1 // THE ARCHITECTURE OF ESCAPEIt started with a few blank PCBs from ucapps.de and a vision of a workflow that didn't...
Processing
Effects & Processing
Phasers, delays, filters, modulation, signal treatment, and the devices that bend the sound after it is born.
Crafting the Legendary Solina Wall of Sound
1.1 // THE LEGACY OF EMINENT, ARP AND THE '70 STRING MACHINESTo understand why this specific circuit is a masterwork of vintage...
The Haible Schulte Krautrock Phaser
1.1 // THE LEGACY OF GERT SCHULTE AND COSMIC GERMANYTo understand why this specific circuit is so revered, we have to travel...
Building a Great DIY 51x & 500 Series Analog Rack
1.1 // 500 SERIES FORMAT EXPLAINEDIf you are new to outboard gear, you might be wondering what a "lunchbox" is. In the...
How to read the archive
The workbench is part of the music.
These posts are not separate from the musical process. They document the physical
decisions behind the sound: why a circuit is rebuilt, why a signal path is changed,
why a machine is kept, repaired, or abandoned. The studio hears the result later.