Bore

How to measure trombone bore size

How to measure trombone bore size

The bore of the trombone has a big effect on the sound of the instrument, and is measured by the diameter of the slide tubing. Trombones with larger bore sizes have a darker, heavier sound, but require more effort to play. For an orchestral instrument, it's usually 0.547”, but jazz models can be 0.450” or 0.500”.

  1. What is the bore of a trombone?
  2. How do I know if my trombone is big bore?
  3. What size is a medium bore trombone?
  4. What is a dual bore trombone?

What is the bore of a trombone?

The bore of a trombone is the inner diameter of the inner slide, and is expressed in thousandths of an inch. The range is from about . 500" (for students) to . 547" (for symphonic use), on up to .

How do I know if my trombone is big bore?

Large bore trombones, or symphonic trombones, usually have a . 547′′ bore and a bell size of 8.5′′ (215mm). Typical mouthpieces used with large bore horns are Bach 6 1/2 (medium) to Bach 4 (large). Most large bore instruments have F- attachment, making the lower range more accessible.

What size is a medium bore trombone?

Another option to consider (and these tend to be my favorite) are medium-bore horns. These are usually around . 525" bore trombones. That measurement is the inner diameter of the inner slide tubes.

What is a dual bore trombone?

There are also instruments which feature inner slides of two different sizes. These are called dual bore trombones. ... There are instruments which feature inner slides of two different sizes. The lower slide is slightly larger than the upper slide.

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