Here you’ll find a collection of things that I do, make, say, and think. It collects projects published across my sites, including custom-built guitar and hi-fi amplifiers and effects, custom PC servers, and rescued or upcycled hardware. Simply a central place to collect what I’m doing with some of my creative energy at any given time.
If you are looking for my professional information go to >JohannesJohansson.com<
Categories
- DIY (30)
- DIY Audio (18)
- DIY Computation (8)
- DIY Misc (5)
Random Posts
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High Gain SLO/Ubershall: 1 Intro
An overview of the main high-gain amplifier platform: a heavily modified SLO/Ubershall-inspired build with a long list of switchable ideas.
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Homelab: 1 25 Year old computer as a firewall: 60Mbps throughput
A test of whether a 25-year-old computer can still serve as a practical pfSense firewall at home, and what performance it can deliver.
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Pedal Progression: 2 Suhr Riot
Pedal Progression continues with a Suhr Riot rebuild: rough old work, missing parts, and a plan to turn it into something better.
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Homelab: 4 Family & apartment friendly server cabinet
A practical homelab cabinet build that makes multiple tiny servers easier to live with in an apartment or family setting.
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Dumble Overdrive Special: 2 Headshell
A woodworking-focused Dumble Overdrive Special entry covering the amplifier headshell build.
High Gain SLO/Ubershall
A high-gain amplifier series built around SLO/Ubershall-inspired ideas and design goals.
High gain SLO/Ubershall: 1 Intro
11 May 2025
The machine, this is the main amp I play and the platform I most try to optimize. Origins in Sloclone, It can be switched between key components of an Ubershall, tastes of a Rectifier, controls of a Larry(Fortin), Friedman and lots and…
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