Bach 341 Large Shank (Bass Trombone) Mouthpiece Silver Plated Deep cup. Very good for pedal tones. Also for large shank tenor trombone.
|Model||Depth of cup||Approx cup dia||Rim shape||Throat||Backbore||Description|
|3G||Deep||26.26mm||Medium wide, well rounded||.276"||429||Same rim shape and diameter as No. 3 small shank tenor trombone, but with a deep bass trombone cup, throat,
and backbore to facilitate pedal tones.
|4G||Deep||26.00mm||Medium wide, slightly rounded||.276"||429||Same rim shape and diameter as No. 4 small shank tenor. A versatile, large diameter mouthpiece especially
rounded. useful when only one trombone is used for both the upper
and very low register.
|4GB||Deep||26.00mm||Medium thin, very well rounded||.276"||429||Same cup, throat and backbore as the No. 4G with a more rounded rim.|
|5G||Deep||25.50mm||Medium wide, semi-flat||.276"||429||Same rim shape and diameter as No. 5 small shank tenor trombone. Similar playing characteristics to No. 4G with
a slightly smaller cup diameter.
|5GL||Medium deep||25.50mm||Medium wide, semi-flat||.276"||429||Old style, shallower model than No. 5G, facilitates upper range.|
|5GB||Deep||25.50mm||Medium thin, very well rounded||.276"||429||Same cup, throat and backbore as the No. 5G with a more rounded rim.|
|5GS||Medium deep||25.50mm||Medium wide, well rounded||.261" "G"||420 (modified)||Shallower “G”-style cup with smaller throat and backbore than No. 5G produces easy high register, slightly brighter sound.|
|6.5A||Medium deep||25.40mm||Medium wide, well rounded||.261"||429||Same rim and cup as No. 61⁄2A small shank tenor trombone, but with full bass trombone throat and backbore for a rich, compact sound of large volume.|
|6.5AL||Medium deep||25.40mm||Medium wide, well rounded||.261" "G"||420||The same cup, throat, and backbore as No. 61⁄2AL small shank tenor trombone but with bass shank. It requires a well developed embouchure.|
|6.5AM||medium deep||25.40mm||Medium wide, well rounded||.257" "F"||413||The same rim, cup, throat, and backbore as No. 61⁄2AM small shank tenor trombone mouthpiece, but with bass shank.|