Trombone bore sizes

There are three different bore sizes for tenor trombone referred to in the trombone community:

• Small bore-. 480″-. 508″. ...
• Medium bore-. 525″. Medium-bore tenor trombones have a larger and darker sound then small-bore tenors but not as much as the large-bore tenor. ...
• Large bore-. 547″.

1. How do you measure a trombone bore?
2. What is a large bore trombone?
3. What size is a medium bore trombone?
4. What type of bore does a trombone have?

How do you measure a trombone bore?

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”.

What is a large bore trombone?

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 type of bore does a trombone have?

Trombone bores generally come in three sizes: small bore, medium bore, and large bore. The smaller the bore, the less breath is required, resulting in an instrument that is easier to play and which boasts a subtle, mellow timbre.