Dedicated French Horn Acoustic Tuner
French Horn Online Tuner
Built specifically for double horn acoustics. Seamlessly converts Horn in F transposed pitch and Concert Pitch with rotary valve intonation guidance.
SENSOR STANDBY
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Play a steady tone into your microphone...-50 ♭-250 (IN TUNE)+25+50 ♯
±0 cents
3 Acoustic Rules for French Horn Intonation
Due to its 3.7-meter conical brass tubing, French horn pitch fluctuates heavily with air temperature and hand depth.
1. Thermal Pitch Drift (+5 Cents / 5°C)
French horn has 3.7m of brass tubing. When cold, it naturally speaks 15-20 cents flat. Always warm up with warm breath for 3 minutes before fine-tuning.
2. Right Hand Bell Insertion Depth
Your right hand is part of the acoustic taper. Inserting deeper lowers overall pitch by 10-25 cents, while opening the bell raises it.
3. F vs B♭ Tube Tuning Slides
Tune the main tuning slide first on F open notes (C4/G4), then adjust the separate B♭ tuning slide on B♭ open notes (D4/F4).
Acoustically calibrated for standard orchestral A=440Hz and A=442Hz