Random Posts
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Dumble Overdrive Special: 1 Head & Circuit
An introduction to the Dumble Overdrive Special build, why the original amplifiers are legendary, and what makes the project worth chasing.
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Guitar Pedals: 2 Splitter/Buffer
A compact splitter/buffer build for running two guitar heads at once, with practical fixes to the original circuit values.
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TrainWreck Rockette: 1 Redesigned
A redesign-focused start to the TrainWreck Rockette project, built around Vox AC30 roots and Johannes's own preferred twists.
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Guitar Pedals: 3 Fixing a Temu digital delay
A cheap Temu digital delay arrived broken, so this post follows the attempt to diagnose and fix it anyway.
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Amiga Next-Gen Build: 2 Motherboard repair & power supply
The second Amiga Next-Gen Build entry chases heat-related instability through motherboard repair and power-supply suspicion.
Custom DDC (Hi-Fi)
A hi-fi oriented digital project focused on a custom digital-to-digital converter and its evolving feature set.
Custom DDC: 1 Digital to Digital Converter; USB to l2s over HDMI; S/PDIF; AES
28 February 2026
Digital to Digital Converter, this little DIY utility box provides a way to escape a number of digital issues impacting sound quality in hi-fi. It takes usb output from a main streaming system provides it's own sound card, high quality clocks and…
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Custom DDC: 2 Bluetooth & auto switching.
19 April 2026
Digital audio as used in Hi-Fi certainly often comes from a music streamer, yet the usefulness of Bluetooth cannot be understated. So, next step was to include a high fidelity bluetooth module, and automatic switching of it. I did have a stand…
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