Description KORG OT-120
If you’ve ever wondered how effortless and precise tuning an instrument can be in any setting, the KORG OT-120 proves it perfectly — combining straightforward operation and reliability with exceptional professional-grade accuracy. Over the years, it has secured a well-deserved reputation among musicians of every background — from those just discovering the guitar or saxophone to seasoned orchestral players who demand absolute precision. Fast, responsive, and intuitive, it sets a clear standard of how your instrument should truly sound.
The device is designed for ease of use, sparing you the need to spend time navigating complicated settings. Many users describe their first experience with this tuner as something of a revelation: tuning suddenly feels intuitive, even inspiring — no longer a tedious routine, but an essential part of truly connecting with your music.
Why choose this model?
- Versatility: suitable for a wide range of instruments, from brass and woodwinds to guitars and violins
- High precision: measurement steps ensure perfectly accurate intonation of each note
- Clear display: an easy-to-read screen, even in dim lighting
- Durable build: robust construction makes it ideal both for home use and life on tour
- Added features: built-in microphone plus external mic connectivity for maximum convenience
Product overview
The strength of the KORG OT-120 lies in its versatility and practical design, created specifically for musicians who value both. Equally at home with acoustic and electric instruments, it offers a broad scope of use, whether in rehearsal or during performance. Its bright display with a needle-style indicator responds instantly, showing even the slightest variations so you can fine-tune with exceptional accuracy.
Another valuable feature is its built-in microphone, capable of picking up sound cleanly even in moderately noisy environments. For instruments with a line-out, you can connect directly via cable. This is especially helpful for ensemble rehearsals or studio sessions. The result is complete flexibility — equally suited to a classical pianist, saxophonist, studio musician, or a rock guitarist on stage.
The OT-120 also offers a transposition function — a must-have for brass and woodwind players. Imagine playing a Bb trumpet or alto saxophone while the score is written in C; with this tool, your tuning remains correct without the hassle of extra calculations. It clears away needless obstacles, giving more room for creativity.
Its compact case with a fold-out stand allows you to position it neatly on a music stand alongside your sheet music or place it on a desk. This means you can keep track of tuning without breaking focus. Such convenience is rare in tuners of this kind, but here it’s intentionally designed to save you both time and effort.
Who is it for?
Perhaps the greatest appeal of the KORG OT-120 is that it suits such a wide audience. For beginners wanting their instrument to sound right from the very first rehearsal, it provides stress-free accuracy. Self-taught players will appreciate how much easier it is to see tangible results, rather than working blindly.
Professionals, on the other hand, gain a trusted ally they can rely on in any situation. No matter whether it’s a noisy rehearsal studio or a live stage, you can count on precise tuning. Teachers will find it particularly helpful, too — it clearly demonstrates correct pitch to students, strengthening their ear training and intonation. Studio musicians and producers will value the line-in and accuracy, as it streamlines recording and track preparation.
KORG OT-120 Specifications
- Measurement range: A0–C8
- Accuracy: ±1 cent
- Calibration: 349–499 Hz (1 Hz steps)
- Modes: Chromatic, Orchestral
- Display: Needle-style meter and LCD
- Input: 6.3 mm mono jack
- Output: 6.3 mm mono jack (through)
- Built-in microphone for acoustic instruments
- Supports external clip microphone connection
- Transpose function for wind instruments
- Calibration memory when powered off
- Power: 2 × AA batteries
- Battery life: up to 100 hours
- Dimensions: 74 × 120 × 36 mm
- Weight: approx. 190 g (without batteries)