Size List
Model／Diameter／Depth／Throat(mm)／Characteristic
47J／24.8／Mid-Shallow／5.8／Jazz model; comparable to Bach12C
 
48J／25.0／Mid-Shallow／5.8／Jazz model; comparable to Bach7C
 
48A／25.2／Shallow／5.9／For alto trombone
 
48B／25.2／Mid-Shallow／6.3／For alto trombone, jazz and lead playing
 
48thin tube／25.2／Mid-Shallow／6.7／For general all-around playing
 
48／25.2／Mid-Shallow／6.7／For general all-around playing
 
49L／25.4／Medium／6.8／Comparable to Bach 6 1/2
 
50thin tube／25.4／Medium／6.8        Thin tube with medium cup
 
50／25.4／Medium／6.8／For general all-around playing
 
50R／25.4／Medium／6.8／Rounded 50 rim
 
51H／25.5／Deep／7.1／Wide rim
 
51S／25.5／Deep／7.0／Balanced, resonant tone
 
51／25.5／Deep／7.0／For orchestral, concert band,  also for Euphonium
 
51G／25.5／Deep／7.0／For orchestral, concert band
 
51DF／25.5／Medium／6.0／For German-style trombone, thin tube
 
51D／25.5／Deep／6.0／For German-style trombone, thin tube
 
51DS／25.5／Deep／7.0／For German-style trombone, thick tube
 
52／25.8／Deep／7.1／For orchestral, concert band, also for Euphonium
 
52S／25.8／Mid-Shallow／7.1／Bowl Cup, Mid-Shallow
 
53／26.0／Deep／7.1／Large cup volume; very deep tone
 
55／26.3／Deep／7.2／For orchestral, concert band
 
If the product is in stock: We will ship within 2-3 business days after confirming your order.
If the product is notin stock: Delivery time is usually about 2 weeks.