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Table 1

Characteristics of the seven tubas studied in this paper, classified in the same order as in Figure 1. By convention, the nominal pitch specifies a number of feet (ft) coupled with a musical pitch name, being the nominal fundamental of the instrument (lowest note playable without any valve depressed). The number of feet corresponds to the equivalent cone length , related to the frequency Fnom of its nominal fundamental by the formula , with c0 the speed of sound in the air.

B♭-contrabass tuba C-contrabass tuba E♭-bass tuba F-bass tuba B♭-euphonium B♭-bass saxhorn B♭-baritone saxhorn
Nominal pitch 18-ft B♭ 16-ft C 13-ft E♭ 12-ft F 9-ft B♭ 9-ft B♭ 9-ft B♭
Brand Besson Hirsbrunner Besson Melton Besson A. Courtois SML
Model BE994 HBS 510 BE983 2250 BE967 AC164 BA16
Mouthpiece Perantucci PT-50 Perantucci PT-50 Romera FT20 Romera FT20 A. Courtois T2 A. Courtois T2 A. Courtois T2

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