BJF Tuner by One Control

The BJF Tuner by One Control is a precision instrument designed to meet the needs of professional musicians. It features the BJF BUFFER, a high-quality signal buffer circuit designed by Björn Juhl, known for its natural-sounding properties and ability to maintain the original tone of the instrument. The tuner utilizes the Korg Pitchblack Custom circuit, providing ultra-high precision tuning resolution of plus/minus 0.1 cents in strobe mode.

Key Features:
- BJF BUFFER: The circuit offers precise unity gain setting, maintains input impedance to preserve the original tone, and ensures ultra-low noise output.
- High Precision Tuning: The Korg Pitchblack Custom circuit provides ultra- high precision tuning resolution of plus/minus 0.1 cents in strobe mode.
- Four Display Modes: The tuner offers A Mode, STROBE MODE, HALF STROBE MODE, and Regular B Mode for versatile visual orientation during tuning.
- Calibration Settings: The tuner allows for calibration of a wide range of concert pitches, with the ability to set the reference pitch of A4 between 436 to 445 Hz in 1Hz steps.
- Long Battery Life: The tuner can be powered by any standard center negative 9vDC power supply or standard 9v batteries, offering approximately 15 hours of battery life.

Technical Specifications:
- BJF BUFFER
- Input Impedance: 500KΩ
- Output Impedance: 60Ω
- Tuner (KORG PitchBlack Custom)
- Scale: 12 note equal temperament
- Detection Range: E0 (20.60 Hz) – C8 (4186 Hz)
- Calibration Range: 436 – 445 Hz (1Hz steps)
- Detection Accuracy: within +/- 0.1 cent
- Input Impedance: 1MΩ (when tuner is turned on)
- Power Supply
- Power: DC9V Negative Tip 2.1mm barrel
- Battery: 9V
- Battery Life: approximately 15 hours
- Current Draw: 40mA max
- Size: 67 (W) x 114 (D) x 45 (H) mm
- Weight: 249g

The BJF Tuner with its advanced features and technical specifications is an ideal choice for musicians seeking a reliable, high-precision tuning solution without compromising their instrument's tone.