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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Silence Your Guitar Amp: Variable Voltage Regulator
A variable voltage regulator lets a loud tube guitar amp keep more of its core feel while behaving better at home volumes.
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Saving Monitors: Leaky capacitors
A quick repair example showing how leaking capacitors can bring old monitors back to life for very little cost.
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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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Easy Naim Hi-Fi power amp upgrades
A straightforward set of component upgrades that can noticeably improve older Naim power amps and similar hi-fi amplifiers.
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TrainWreck Rockette: 2 Headshell
The TrainWreck Rockette headshell stage begins with an old VOX donor amp, teardown work, and heat-management prep.
Homelab
A running series covering firewall experiments, virtualization hardware, mini-servers, and the evolution toward a quieter, apartment-friendly homelab setup.
Homelab: 1 25 Year old computer as a firewall: 60Mbps throughput
17 November 2021
If you have spend some time around a computer interested individual you may at one time or another have come across the suggestion that a good use for an old computer is as a firewall and router around your home. The argument…
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Homelab: 2 Tiny 24 Core virtualization Computation with hacked hardware
17 November 2021
For some time a good way to get cheap and powerful computers, outside of cutting edge gaming or single-core heft, have been to get used server CPU's. There is even a interesting hardware hacking community around this practice coming out of China,…
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Homelab: 3 Turning laptops into mini-servers
4 October 2022
One of the most common e-waste sources out there is laptops, slower than other computers and often not upgradable, lacking ability to change peripherals, like screens. A sad fact as the vast majority of people do rarely use the full potential of…
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Homelab: 4 Family & apartment friendly server cabinet
17 October 2022
Finding ways to live with an interest in computers can be a challenge. That is having half a dozen computers running 24/7 is not something easily manageable, even though being tiny and near silent, the space required and mess is additive. This…
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