Tronical Tune
Sam Kaplan
Automatic guitar tuners are expensive, hard to install, and overly complex. Or at least they used to be. The Tronical Tune uses an off-the-shelf microprocessor, custom algorithms, and six small motors to create the first affordable self-tuner. The device can retrofit onto almost any guitar without drilling, soldering, or wiring—and once installed, it can tune a guitar in about five seconds. $329
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