How many brass instruments are in the orchestra?

The brass section of a typical Western orchestra consists of the following instruments:

- Trumpets (usually 2-4 players)

- Horns (usually 4 players)

- Trombones (usually 3 players)

- Bass Trombone (or Tuba, usually 1 player)

- Tuba (usually 1 player)

Therefore, there are typically 9 to 11 brass instruments in a standard orchestra.