Where does this come from, and can I check it?

Three valves give seven combinations and a full chromatic range. The figure is taken from Britannica, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.

Is this really a music fact?

Yes. It sits on the Music shelf, one of 2,600 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.

What else can I read about it?

The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.

Mondo Knows Facts

Trumpet valves add short lengths of tubing

Three valves give seven combinations and a full chromatic range Each valve routes air through an extra loop, lowering the pitch by a set interval. The second valve drops a semitone, the first two, the third three. Players lip notes into tune because the combinations are not perfectly in tune with equal temperament. It sits in Mondo's music collection, one of 200 facts that each trace back to the reference below.

Where this comes from

Britannica

Facts that can change over time are reviewed and updated. If something here looks wrong, Mondo would rather know than be confidently incorrect.

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Music trivia

More facts like this

A harp changes key with seven pedalsEach pedal shifts every string of one letter by a semitone A piano hammer strikes and drops away instantlyThe escapement lets the felt head fall back so the string can ring freely A brass mute changes the sound, not just the volumeIt adds a filter that cuts low frequencies and emphasises others In a brass instrument the lips make the soundThe tube only amplifies and filters what the player's lips buzz A trombone changes pitch by sliding a tubeSeven slide positions fill the gap between the harmonics Timpani are tuned by tightening their headsFoot pedals or hand screws change the tension, and the kettle shapes the note

Tags: brass, trumpet, mechanism

Trumpet valves add short lengths of tubing: the short answers

Where does this come from, and can I check it?: Three valves give seven combinations and a full chromatic range. The figure is taken from Britannica, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
Is this really a music fact?: Yes. It sits on the Music shelf, one of 2,600 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
What else can I read about it?: The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.