It don’t mean a thing if ain’t got that ping. With apologies to the first lady of song, the late great Ella Fitzgerald, that sums up fish-finder performance. The world’s finest sonar is useless ...

Here’s a number you might not believe: 30. That’s the number of chirp transducers offered by Airmar, the single largest maker of sonar transducers for recreational marine use. While Airmar was once ...

So you’ve dusted off the old fishing rods, launched your boat, and cast a couple of dozen lines only to find yourself coming home empty-handed. While fishing requires patience, anglers use many tools ...

Airmar, the largest maker of sonar transducers for recreational marine use, was once the only manufacturer of transducers. That means there are a lot of options to choose from if you’re in the market ...

The I Beam VT-300 Transducer is very compact. Its design resembles a train track or sectional piece of steel, thus the name I Beam. The VT-300 transducer features push-style binding posts that can ...

We wager you haven’t you heard the latest from ultrasonics. Sorry. [Lindsay Wilson] is a Hackaday reader who wants to share his knowledge of transducer tuning to make tools. The bare unit he uses to ...

[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 to ...