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 band
 
Rounded 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 tube
 
51D/25.5/deep/6.0/for German trombone thin tube
 
51DS/25.5/deep/7.0/German trombone cup shape and thick tube
 
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 sound
 
55/26.3/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.