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
2.4 feet of tubing (A3)
Cornetto
3 feet of tubing (F3)
Soprano Trumpet, Sopranino Ophicleide, Keyed Bugle (likely), Tenor Cornetto
3.25 feet of tubing (Eb3)
Sopranino Trombone, Soprano Trumpet, Soprano Cornet, Soprano Helicon, Sopranino Ophicleide, Keyed Bugle, Soprano/Sopranino Saxhorn, Tenor Cornetto
4 Feet of tubing (C4)
Trumpet, Cornet, Soprano Ophicleide, Keyed Bugle, Soprano Serpent, Cornone/Contrabass Cornetto
4.5 feet of tubing (Bb3)
Soprano Trombone, Trumpet, Cornet, Flugal Horn, Valved Post Horn1), Alto Helicon, Normaphone, Soprano Ophicleide, Soprano/Alto Saxhorn
6 feet of tubing (F3)
Mellophone, Alto/Quinticlave Ophicleide, Serpent
6.5 feet of tubing (Eb3)
Alto Trumpet, Alto Trombone, Mellophone, Alto Horn, British Tenor Horn, Tenor Helicon, Alto Normaphone, 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, French Horn/Marching French Horn (Bb only), Baritone, Euphonium, German Tenor Horn, Tenor Wagner Tuba, Baritone Helicon, Sudrophone, Tenor Normaphone, 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, Shorter Saxhorn Bourdon
32 feet of tubing (C1)
Hoffnung Tuba
36 feet of tubing (Bb0)
Riesen Kontrabass, Slender Bourdon Saxhorn, The Harvard Tuba, Markneukirchen Riesentuba
52 feet of tubing (Eb0)
Giant Bourdon Saxhorn, Trombotonar2)
By Taper of the Cone
| Pitch Range | Cylindrical | Slide | Slight Cone | Medium Cone | Steep Cone |
| Bb4/C5 | Piccolo Trumpet | Piccolo Trombone | |||
| Eb4/F4 | Soprano Trumpet | Sopranino Trombone | Soprano Cornet | Soprano Helicon | |
| Bb3/C4 | Trumpet | Soprano Trombone | Post Horn | Cornet | Flugel Horn |
| Eb3/F3 | Alto Trumpet | Alto Trombone | Mellophone | Alto Horn | Tenor Horn |
| Bb2/C3 | Bass Trumpet | Tenor Trombone | French Horn | Baritone | Euphonium |
| Eb2/F2 | Eb/F Cimbasso | Bass Trombone | French Horn | Narrow Bore Tuba | Eb Tuba |
| Bb1/C2 | Bb/C Cimbasso | Contrabass Trombone | Narrow Bore Tuba? | 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 4)
Bore chart based off mouthpiece number size 5)
6)
7)
Tube lengths 8)
3)
https://en.wikipedia.org/wiki/Bore_(wind_instruments)#Brasses
