Why is the low C so hard to hear?

65 Hz is below the response of many laptop mics.

Should I use the peg or fine tuner?

Peg for large changes, fine tuner for daily.

Is cello tuned like viola?

Same letters, one octave lower.

How often should I change strings?

Every 6-9 months for daily players.

What about 5-string cello?

Adds a high E: use the chromatic tuner.

大提琴调音器 CGDA

比中提琴低一个八度。低 C 请使用好的麦克风。

即时加载

Allow mic
Bow steadily; cello attack is slow
C string is ~65Hz: may need closer mic
Use fine tuners for small adjustments

使用方法

Reference A

Tap A to hear the 220Hz tone.

Bow A String

Long, slow bow stroke.

Tune D, G, C

Work down through each string.

Troubleshooting

Use a closer mic
Bow firmly with full bow length
Plug electric cello into interface

功能

4 Strings CGDA

All four cello strings.

Low-Freq Optimized

Detects down to 60Hz cleanly.

Reference Tones

Hear each string's target.

Sustained Bow Detection

Steady detection across long strokes.

完整指南

How to Tune a Cello Online

Cello is tuned CGDA: same intervals as viola but an octave lower. The C2 string vibrates at just 65.41 Hz, low enough that some laptop and built-in mics struggle to detect it clearly. For best results, use a close mic or plug an electric cello directly into an audio interface. Tune A first using the 220 Hz reference, then work down: D3, G2, C2. Each string is a perfect fifth below the previous.

Cello String Tension and Bow Technique

Cello strings are under significant tension: each contributes roughly 15-20 kg of pull on the bridge. Small peg movements produce big pitch changes. Use fine tuners at the tailpiece for everyday adjustments. Bow steadily across the string while tuning. Short, rough bows produce inconsistent pitch that confuses the tuner. A 4-5 second sustained bow gives the cleanest reading.

Pegs vs Fine Tuners on Cello

Most modern cellos have fine tuners on all four strings (especially the steel A and D). Use the pegs for restringing or large changes; use fine tuners for daily tuning. Older cellos may only have a fine tuner on the A string. If you find yourself frequently re-tuning with the peg, consider adding fine tuners: a luthier can install them in 30 minutes.

Common Cello Tuning Problems

Wolf note: cellos frequently have a wolf tone around F#-G on the G string and D-Eb on the C string. Wolf eliminators (small rubber-and-brass weights on the string after the bridge) reduce or eliminate this. New strings sound bright and unstable: they need 24-48 hours of playing to settle. Modern cello strings (Larsen, Spirocore, Pirastro Evah Pirazzi) last 6-9 months for daily players.

Tuning the Cello for Orchestra and Solo Play

Orchestral cellists tune to the oboe's A and listen to neighbours for unison. Solo players can use any reference but should match the piano if accompanied. For recording, tune slightly more carefully than orchestral pitch: recording reveals tuning imperfections that live performance hides. Use this tuner with a close mic for precision.

兼容性

适用于所有主流平台和浏览器

设备 / 系统	Chrome	Firefox	Safari	Edge
Windows 10/11	✅	✅	:	✅
macOS Ventura+	✅	✅	✅	✅
Android 8+	✅	✅	:	✅
iPhone / iPad (iOS 14+)	✅	:	✅	:
Chromebook	✅	:	:	:
Linux (Ubuntu)	✅	✅	:	✅

常见问题

Yes: plug into a USB interface for cleanest detection.

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