Tom owns one of the largest privately-owned collections of Trombones in the world, & the only complete set in history.
Izzo's Trombone collection has no two instruments alike:
TROMBONES
1. Bb Piccolo-----.400 bore, 4" bell, yellow brass
**
OTHER INSTRUMENTS:
2. Eb Sopranino-.435 bore, 4" bell, yellow brass
3. Bb Soprano----.460 bore, 4.5" bell, yellow brass
4. Bb Soprano----.468 bore, 4.75" bell, yellow brass
5. F Alto------------.470 bore, 5" bell, yellow brass
6. Eb/Bb Alto-----.500 bore, 6.5" bell, yellow brass, rotor change to Bb
7. C Tenor----------.540 bore, 9" bell, raw brass, 3 rotoried Valve Trb
8. Bb Tenor--------.490 bore, 7.5" bell, bronze
9. Bb Tenor--------.515 bore, 8" bell, yellow brass
10. Bb Tenor--------.515 bore, 8" bell, yellow brass, 3 pistoned Valve Trb
11. Bb Tenor--------.525 bore, 8" bell, yellow brass
12. Bb/F Tenor-----.525 bore, 8" bell, yellow brass, rotor change to F
13. Bb/F Tenor-----.547 bore, 8.5" bell, gold annealed, rotor change to F
14. Bb/F Tenor-----.547 bore, 8.5" bell, raw brass, rotor change to F, Quadro slide
15. A Tenor----------.458 bore, 6" bell, raw brass
16. Bb/F Bass------.562 bore, 8.5" bell, raw brass, rotor change to F
17. Bb/F/C Bass---.562 bore, 9.5" bell, yellow brass, Thayer changes to F & C (opt D)
18. Bb/F/C Bass---.562 bore, 10.5" bell, Gold plated, 2 rotor changes to F & C (opt Eb, D, Db)
19. G Bass-----------.535 bore, 8" bell, Silver plated
20. BBb/FF Contrabass-.620 bore, 9.5" bell, yellow brass, rotor change to FF.
Comparison photo of the Mirafone BBb/FF Contrabass & Thein Bb Piccolo, along with (lower instruments) a Minick Eb Sopranino and a Bb Trumpet.
**