Product Description
The RockBoard StageTuner ST-01 is a chromatic pedal tuner designed for musicians who value accuracy and visibility. Its large 28-segment LED display offers clear readings from a distance, ensuring easy tuning in various settings.
This tuner features true bypass to maintain your guitar's tone and includes two outputs for silent or audible tuning. It allows for reference frequency adjustments in 1 Hz increments from 432 to 445 Hz, covering a tuning range from A0 (27.5 Hz) to C8 (4.186 kHz) with precision up to 1 Cent. Additionally, the detuning function enables tuning adjustments of 1, 2, or 3 semi-tones, all housed in a durable metal casing.
Technical Specifications
| Current | 22mA |
| Voltage | 9V DC, center negative |
| Circuit Type | analog |









