Music Calculator

What about group delay? That’s how long it takes for different frequencies to move through a system. Ideally all the frequency reach your ears with … Read more

It all begins with a dream: My speakers will sound perfect. And for most DIY speaker projects, it ends there…in a crossover that sounds like … Read more

Ever had a speaker sounding real big and boomy when placed in one area of a big room? Or real thin in another? That’s not … Read more

Build a speaker that measures flat in anechoic chamber. But in your livig room, it sounds thin and bright. Most often, it’s not because of … Read more

A speaker might sound good at low levels but become harsh and metallic at higher level. Chances are it’s not a crossover frequency issue. It … Read more

With a transmission line speaker you get something special called quiet. It is quiet, detailed, and clean. No loose booms or slams from the bass. … Read more

Take a phase plug for instance; if the phase plug chokes off the air flow as it exits the driver frame, then all your handwork … Read more

Imagine this scenario: You’ve got a hollow tube that you’d like to make sing at some frequency. Seems like simple geometry but then again, air … Read more

What this means is that before you hear the sound well, you feel it in your chest. Because of the geometry of the room, low-frequency … Read more

Build a speaker, set it inside its cabinet and hear how boring it is. Move it out onto shelf and hear how nice it’s now. … Read more

Building a horn really does involve math. If you’re thinking this is simply a matter of cutting wood in trumpet form, it’s not. It involves … Read more

A horn loudspeaker is essentially a piece of woodworking and acoustic engineering. A design goal are to achieve some combination of control and efficiency while … Read more

All the pieces is in place: You’ve cut the wood, measured out the horn and checked the seams, but when you hit your driver, what’s … Read more

Resonance happens when a speaker cabinet vibrate along with low frequencies. Perhaps you’ve built what appears to be a perfect-looking box, and yet one of … Read more

More times than you might guess, you design a perfect-looking speaker cabinet on paper, but once mounted with drivers, sound has an odd ring or … Read more