Recently I built the Nelson Pass H2 Harmonic Generator, a circuit that injects some 2nd harmonic distortion into the signal chain. Whilst I still need to get this boxed up to play with it properly, I’ve been mooching around and doing some reading on distortion. As part of my meandering, I came across this website…
Category: Links

Grounding resources
It seems that grounding and safety earth is one of the most confusing aspects of this hobby for beginners like me.Here are some resources that I have found useful. I will add more as I come across them. https://hifisonix.com/ground-loops/ http://sound-au.com/earthing.htm https://www.diyaudio.com/forums/solid-state/324413-dozens-schemes-wire-amp.html
DIY Audio websites
https://www.diyaudio.com/The pre-eminent forum for DIY Audio http://sound-au.com/index.htmlElliot Sound Projects is probably the most comprehensive resource for DIY articles and projects. Also sells project boards. https://virtualzeroaudio.com/Canadian based supplier of amplifier boards, kits, and modules for DIY builds. https://tangentsoft.net/audio/Information, resources and projects mostly related to headphone amplifiers with the beginner in mind. http://www.decdun.me.uk/Information, resources and projects mostly…
DIY Audio blogs
https://hifisonix.com/ The DIY site of the creator of Ovation amplifiers. Has very good projects with detailed build guides and a link to purchase boards. Also a number of detailed articles with those on grounding especially useful. http://www.markhennessy.co.uk/audio.htm Documents projects with extremely detailed guides. https://theslowdiyer.wordpress.com/ Documents his projects, and often makes the files available. https://emumannen.blogspot.com/ Very…
Suppliers
The suppliers listed below are those that I have used unless noted otherwise. If I have a bad experience with one of them, I will note it here, if there is no comment to that effect, I have had no problems with them General components https://cpc.farnell.com/ https://uk.rs-online.com/web/ https://www.mouser.co.uk/ https://www.rapidonline.com/ https://www.switchelectronics.co.uk/ Specialist suppliers https://www.hificollective.co.uk/Selected high quality…