Sonic Immersion Technologies feels very strongly that the I Beam VT-300 transducers should be crossed over at frequencies up to 250Hz for multi-channel and music playback. We tend to disagree, but we ...

VIBRO has a rather naughty name, but it’s the noise that makers Compact want you to notice. A sonic transducer — which creates sound by rattling whatever it is placed upon — VIBRO Sounder ...

The transducer is designed to work within a small band of frequencies — a 40kHz transducer will not work very well if you try to drive it at anything other than it’s resonant frequency.

[Lindsay] has a wonderful writeup about a new toy in the shop, an ultrasonic transducer. The 28kHz, 70W bolt-clamped Langevin transducer by itself is not much use, you need a power supply, a horn t… ...