The (Advanced Tuner 2) is a vintage, handheld chromatic tuner from the late 1980s and early 1990s, cherished by musicians for its simplicity, reliability, and precision. Known for its robust build and distinct needle-style display, it remains a favorite among guitarists and synth enthusiasts who prefer tactile hardware over digital apps. Reviving a Classic: The Korg AT-2 Chromatic Tuner
The AT-2 uses a digital signal processor (DSP) to analyze the incoming waveform from either the built-in microphone or direct input. It performs Fast Fourier Transform (FFT) to identify the fundamental frequency, compares it to the nearest equal-tempered note, and displays the deviation in cents. The “auto” mode eliminates the need to select an instrument or note. korg at2 top
To reach the "top" of creative production, Korg implements deep sequencing tools that bridge the gap between performance and composition: Motion Sequencing 2.0: Found in synths like the Korg Modwave Go to product viewer dialog for this item
Most cheap tuners only adjust to A=440 Hz. The AT2 allows you to shift the reference pitch from 410 Hz (Baroque tuning) to 480 Hz (some Eastern European brass bands). If you play with a vintage piano that is 20 cents flat, the AT2 can tune your guitar to match it perfectly. The Studio Guitarist