Audio Judgement

Isobaric loading explained

How to measure Thiele Small parameters using your sound card.

Sealed vs Ported vs High output bass reflex vs Passive radiator vs 4th and 6th order bandpass subwoofer boxes

How to make your own loud portable bluetooth speaker.

Here is the recipe to make a portable bluetooth amp, which will deliver 2 x 40W of clean power into 4 ohms. Playtime of 8 hours.

Working on a high power portable speaker. Tried to fit everything as tightly as possible. Here is how it's going to look like.

Don't have a sport welder? You can still make a battery pack.

Use WinISD to model the frequency response and then see how you can tune a passive radiator.

How to make a magnetic speaker grill. Check out my attempt for a portable speaker.

Since DIY portable speakers are a thing these days, decided to check out the new mini amplifier board from Dayton Audio.

Soon enough I'll start working on the 3rd course about crossovers. Bought several speakers to play with. We got some Scanspeak, Seas, Tymphany, Morel, Focal drivers. 😎

Pick the appropriate inductor based on your project and budget.

Choose the right type of capacitor for your project.

Check out if you are going to have unwanted port noises in your bass reflex design.

Guide on how to build a pair of DIY floor standing speakers with dual woofers

How to design a 3 way passive crossover using XSim.

Determine the speaker acoustic center. Find the relative offset between the points your speakers are radiating sound.