Audio website link collection

Collection of resources I find interesting

My public audio related bookmarks


Listed in alphabetical order

Acoustica is basically a scratch-pad, a useful-pot to keep things in. It's mostly about audio engineering with a DIY flavour, salted with other odd things found interesting.

Adventures in Hi-Fi

Great website featuring interesting articles I find entertaining


Countless schematics and service manuals for products of many different brands. The perfect resource for anybody repairing equipment. Jan Dupont maintains this great resource free of charge.

Audio Science Review

This great website and forum offers reviews of audio gear that is based on real measurements instead of purely subjective statements and therefore highly recommended to anybody looking for solid data.

Build Audio Amps

As the name implies, this website is about building audio amplifiers. There are many designs available. Most designs are pretty basic, typical DIY projects. You need to register in order to view schematics.

Calvin's Audio Page

Countless clever circuit ideas

Cordell Audio

I like Bob's book very much. He is also very active on the DIY Audio forums.

Data Odyssey

Edmond Stuart's website. Make sure to read about his impressive PGP (Pretty Good Power Amp) project.

DIY Audio

A great place where experienced audio enthusiasts share their ideas and knowledge.


Chris Russel's website

John Inlow's website: Inlowsound

Impressive loudspeaker projects, especially horn loaded ones

Samuel Groner

Samuel Groner is well respected in the audio community and has written some very interesting articles. His website also features links to further interesting websites.

Stephan Großklaß

Features some articles about audio and many other technical articles.

Ian Hegglun's Google Drive

This looks like a super useful collection of articles and resources. I haven't read any of them, but plan to do so.

HiFi Engine

The HiFi Engine library has images, specifications and reviews for thousands of audio components, along with owners manuals, service manuals, schematics and product catalogues for amplifiers, pre-amps, power amps, tuners, tape decks, cd players etc.
Thanks to the many visitors who have scanned documents and donated images to the gallery.
Service only after registration (free of charge)

Henry Ott Consultants

Electromagnetic Compatibility Consulting and Training
Good electromagnetic design is relevant to all kinds of electronics and audio. I have learned a lot about EMC from studying technical articles written by Henry Ott and highly recommend this resource for education.

John Broskie's Tube CAD Journal

Welcome to over 500 posts and to over 50 articles on amplifiers, tube-based preamps, crossovers, headphone amplifiers, single-ended amplifiers, push-pull amplifiers, Circlotron circuit design, hybrid amplifiers, cascode circuits, White cathode followers, grounded-cathode amplifiers, tube series regulators and shunt regulators, the Aikido amplifier, tranformer coupling, DACs and tubes - and hundreds of vacuum tube circuits that use 6SN7s to 300Bs, all explained in careful detail.

Keantoken's website

Website by DIY Audio member Keantoken. I like his power supply rail filter very much.

Paul Kemble's website

Paul Kemble's website features many interesting articles and is well worth a visit.

Linear Audio

Jan Didden's website

Linear Audio Magazine

Jan Didden's magazine. Haven't read it yet, but believe it is excellent

Pierre Lacombe's website

Pierre has investigated a phenomenon that is not discussed often, but seems to be relevant: Memory distortion. I highly recommend studying his work.

Marc's Pages

Marc has a very helpful website featuring two e-books: One about radio telemetry systems and another about power quality issues and cures. The website also features many technical and non-technical articles worth reading. Highly recommended!

Renardson Audio

Haven't read much of this, but it seems interesting


New discovery for me in year 2021: A HiFi / High End audio magazine featuring news, equipment reviews, galleries and much more. I find this very entertaining to read.

Suzy' blog

Suzy's blog is about audio, wooden boat building, computers, electronics, lugged steel bicycle frames and other typical girls things. Suzy Impresses with outstanding craftsmanship in all of her projects. I find her blog entertaining and worthwhile reading.


Seems like another Edmond Stuart website

TNT Audio

Online HiFi review
Free and proudly independent (no-advertising) since 1996
Weekly updated

Walt Jung

Collection of his ebooks, resources for CFAs, references and regulators

XEN Audio

Some interesting projects, articles and resources. New addition to this list. I haven't read much of this yet.


Listed without any order

Spice models by Bob Cordell

Spice models from Bob Cordell are well respected in the audio community. I use them almost exclusively for simulating my designs.

FFT using LTSpice

This small wiki describes the best setup to simulate FFT with LTSpice

LTSpice convergence issues

This guide has helped me a lot identifying and solving any convergence issues without resorting to hacks.

Undocumented LTSpice

Some of this may be very helpful.


Sometimes online calculators may be useful for a quick estimation. Here are some calculators I use often. Listed without any order.

R-L-C low pass filter calculator

This calculator from Okawa Electric Design is excellent for checking whether a L-C low pass filter design is good or not. They offer further calculators I haven'tried yet.

Toroid Inductor Calculator

This is the most useful calculator for toriod inductors I have seen so far.

Decibel calculator

Sengspiel Audio offers a useful calculator for Decibel values.

Resistor codes calculator

Easily calculate the resistor value of any color or digit coded resistor. This is especially useful in case the resistance cannot be measured.

Geometric calculators

The best geometric calculators I found on the web including geometric forms I have never heard of before.

Physics and economy

This collection of calculators by AJ Design is mostly for physics and economy.

Do you know or own an interesting DIY audio related website? Please contact me to have it listed here.