Roy Benson AT-201
Eb dual-bore alto trombone · student · current
Compact dual-bore Eb alto; light enough for young players entering the alto repertoire
| Type | alto |
|---|---|
| Key | Eb |
| Bore class | dual |
| Bore size | .480/.488″ |
| Valve configuration | Straight (no valve) |
| Bell diameter | 7.5″ |
| Bell material | yellow brass |
| Slide | nickel silver (outer), hard chrome-plated nickel silver (inner) |
| Finish | lacquer |
| Weight | approx. 950 g |
| Level | student |
| Era | current |
Features: GEWA item no. RB701.121; lightweight form-shaped case with rucksack straps
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