Size
Model/Cup inner diameter/Cup depth/Throat/Features/

47J/24.8/Shallow/5.8/JAZZ model (Bach12C)/

48J/25.0/Shallow/5.8/JAZZ model (Bach7C)/

48A/25.2/Shallow/5.9/For alto trombone/

48B/25.2/shallow/6.3/for alto trombone, JAZZ/

48 tubes/25.2/Shallow/6.7/Beginners, JAZZ players/

48/25.2/shallow/6.7/all-round controllable/

49L/25.4/Moderate/6.8/Cup is the same as BACH 6 1/2 /

50 tubules/25.4/medium/6.8/medium cup tubules/

50/25.4/moderate/6.8/for brass band and general bandRounded/

50R/25.4/Medium/6.8/50 rims/

51H/25.5/Deep/7.1/Heavy rim weight/

51S/25.5/deep/7.0/balanced sound/

51/25.5/deep/7.0/wind band, orchestra, EP also acceptable/

51G/25.5/deep/7.0/wind band, orchestra/

51DF/25.5/Medium/6.0/German trombone thin/

tube51D/25.5/deep/6.0/for German trombone thin/

tube51DS/25.5/deep/7.0/German trombone cup shape and thick/

52/25.8/Deep/7.1/Also available for brass band, orchestra and EP/

52S/25.8/shallow/7.1/shallow ball cup/

53/26.0/Deep/7.1/Rich mid-bass/sound55/26.3/deep/7.2/orchestra

Model/Cup inner diameter/Cup depth/Throat/Features

If the product is in stock: We will ship it within 2-3 business days after confirming your order.

If the product is out of stock: Delivery time is up to 3 month.