The Korg GA-50 is the latest generation of Korg’s best-selling portable tuner series. Designed for guitarists and bassists, it provides fast, highly accurate tuning with a simple interface and a large, readable display. The GA-50 supports standard tuning, flat/capo tuning, bass-specific tuning ranges, and includes a built-in reference tone generator for ear-training or manual tuning.

A redesigned high-contrast LCD makes pitch and needle movement easy to see even on dark stages. With an extended battery life of up to 135 hours, the GA-50 is a reliable tool for daily practice, lessons, rehearsals, and performance use.

Key Features

• Dedicated tuner for guitar and bass

• Large, high-visibility LCD display

• Accurate and fast pitch detection

• Supports 4-, 5-, and 6-string bass tuning

• Sound Out mode for reference tones

• Quinta-flat tuning mode (up to 5 semitones)

• Auto-power-off to save battery

• Ultra-long battery life

• Compact and lightweight

Technical Specifications

Tuning Scale:
12-tone equal temperament

Tuning Range:
A0 (27.5 Hz) – C8 (4186 Hz)

Reference Pitch:
A4 = 440 Hz (fixed)

Detection Accuracy:
±1 cent

Output (Sound Out):
Synthesized reference tone

Input:
6.3 mm mono jack

Power:
2 × AAA batteries