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Table of Contents
CLASSIFYING BRASS INSTRUMENTS
By Length of Tubing
1.5 feet of tubing (F5)
cornettino
2 feet of tubing (C5)
Piccolo Trumpet, Sopranino Saxhorn, Alto Cornetto
2.25 feet of tubing (Bb4)
Piccolo Trumpet, Piccolo Trombone, Sopranino Saxhorn
3.25 feet of tubing (Eb3)
Sopranino Trombone, Soprano Trumpet, Soprano Cornet, Soprano Helicon, Sopranino Ophicleide, Soprano/Sopranino Saxhorn, Tenor Cornetto
4 Feet of tubing (C4)
Trumpet, Cornet, Soprano Ophicleide, Soprano Serpent, Cornone/Contrabass Cornetto
4.5 feet of tubing (Bb3)
Soprano Trombone, Trumpet, Cornet, Flugal Horn, Alto Helicon, Soprano Ophicleide, Soprano/Alto Saxhorn
6 feet of tubing (F3)
Alto/Quinticlave Ophicleide, Serpent
6.5 feet of tubing (Eb3)
Alto Trumpet, Alto Trombone, Mellophone, Alto Horn, British Tenor Horn, Tenor Helicon, Alto/Quinticlave Ophicleide, Alto/Tenor Saxhorn
8 feet of tubing (C3)
Tenor Trombone, Euphonium, French Tuba, Sudrophone, Bass Ophicleide, Serpent
9 feet of tubing (Bb2)
Tenor Trombone, Bass Trumpet, Baritone, Euphonium, German Tenor Horn, Tenor Wagner Tuba, Baritone Helicon, Sudrophone, Bass Ophicleide, Baritone Saxhorn
12 feet of tuning (F2)
Cimbasso, Bass Trombone, French Horn, Sousaphone, Tuba, Bass Wagner Tuba, Bass Helicon, Contrabass/Monstre Ophicleide
13 feet of tubing (Eb2)
Cimbasso, Bass Trombone, Sousaphone, Tuba, Bass Helicon, Contrabass/Monstre Ophicleide, Bass Saxhorn
16 feet of tubing (C2)
Cimbasso, Contrabass Trombone, Sousaphone, Contrabass Tuba, Contrabass Helicon, Contrabass Serpent
18 feet of tubing (Bb1)
Cimbasso, Contrabass Trombone, Sousaphone, Contrabass Tuba, Contrabass Helicon, Contrabass Saxhorn
26 feet of tubing (Eb1)
Subcontrabass Tuba, (sub)Contrabass Saxhorn
36 feet of tubing (Bb0)
Bourdon Saxhorn
By Taper of the Cone
| Pitch Range | Cylindrical | Slide | Slight Cone | Medium Cone | Steep Cone |
| Bb4/C5 | Piccolo Trumpet | ||||
| Eb4/F4 | Soprano Trumpet | Soprano Cornet | Soprano Helicon | ||
| Bb3/C4 | Trumpet | Soprano Trombone | Cornet | Flugel Horn | |
| Eb3/F3 | Alto Trumpet | Alto Trombone | Mellophone | Alto Horn | Tenor Horn |
| Bb2/C3 | Bass Trumpet | Tenor Trombone | Baritone | Euphonium | |
| Eb2/F2 | Eb/F Cimbasso | Bass Trombone | French Horn | Eb Tuba | |
| Bb1/C2 | Bb/C Cimbasso | Contrabass Trombone | Bb Contrabass Tuba |
By Bore Diameter
| Instrument | Small | Medium | Large |
| Trumpet | .450“ | .472” | |
| Tenor Trombone | .480“-.508” | .525″ | .547″ |
Instrument Proportions
| Trumpet | Trombone | Horn | |
| Mouthpiece taper | 21% | 9% | 11% |
| Cylindrical part | 29% | 52% | 61% |
| Bell | 50% | 39% | 28% |
NOTES
A chart of Conn Bore sizes based off markings on the instruments 2)
Bore chart based off mouthpiece number size 3)
4)
5)
Tube lengths 6)
1)
https://en.wikipedia.org/wiki/Bore_(wind_instruments)#Brasses
