// Erez Yaary

Build Blog

Long-form build stories from Erez Yaary's workbench: DIY synthesizers, drum machines, amplifiers, playback gear and classic effects.

Formal posts and longer technical stories. Each article opens as a full post for reading.

October 14, 2026

How I restored my 1979 Sony TPS-L2, the first Walkman: new belts, a clean tape path, an oiled motor, and speed set...

August 29, 2026

How I built Jurgen Haible's Son of Storm Tide flanger in 2008: BBD chips, the Bounce function, and one of my earliest...

June 18, 2026

How I built Jurgen Haible's Triple Chorus, a Solina string ensemble emulator, for my Frac Rack modular: the lush 70s string sound.

June 14, 2026

My first DIY effect, built in 2007: Jurgen Haible's clone of the Schulte Compact Phasing A, the legendary Krautrock phaser.

May 26, 2026

Building the AMB Beta22: an all-discrete, balanced Class A headphone and speaker amplifier, from power supply to finished chassis.

May 24, 2026

Building two AMB Beta24 power amplifiers, a no-compromise discrete design, after meeting its designer Ti Kan in Sunnyvale.

March 20, 2026

Recreating classic API, Neve and SSL outboard sound at home: building a DIY 51x and 500 series analog rack, module by module.

March 17, 2026

Building a pair of CBT-36 constant beamwidth line array speakers, after first hearing them in Ti Kan's listening room.

March 15, 2026

How I built a large analog modular synthesizer to capture the organic sound of Tangerine Dream, Klaus Schulze and 70s pioneers.

March 13, 2026

Recreating the Roland Jupiter-8, the 'final boss' of analog poly synths: the build, the filters and that creamy yet aggressive sound.

March 7, 2026

The Roland TR-909's legacy in techno and house, and my DIY build of the drum machine that defined a generation's sound.

March 3, 2026

Building the Din Sync RE-808, a DIY Roland TR-808 recreation: sourcing obsolete transistors, hundreds of solder joints, the first beat.