Bach Megatone Bass Trombone
Model No. |
Depth of Cup |
Approx. Cup Dia. |
Rim Shape |
Description |
1G |
Deep |
28.00mm |
Med. thin, well rounded |
Extra large and deep for extraordinary power and depth of tone. Among the largest and most powerful bass trombone mouthpieces produced today. .319" throat/800S backbore. |
1 1/4GM |
Deep |
27.50mm |
Med. thin, well rounded. |
Same rim and cup as 1 1/4G, but with a larger throat and backbore for a large, powerful sound, well in tune. .302" "N" throat/800S backbore. |
1 1/4G |
Deep |
27.00mm |
Med. wide, well rounded. |
A large mouthpiece with a powerful tone in the low register and great carrying power. For many years, the standard mouthpiece for the serious bass trombone player. .277" "J" throat/429 backbore. |
1 1/2GM |
Deep |
27.00mm |
Med. wide, well rounded. |
Larger throat and backbore than 1 1/2G results in less resistance, larger dynamic range, deeper, warmer sound. .302" "N" throat/800S backbore. |
4G |
Deep |
26.00mm |
Med. wide, slightly rounded. |
>Same rim shape and diameter as No. 4 small shank tenor trombone. A versatile, large diameter mouthpiece especially useful when only one trombone is used for both the upper and very low register. .277" throat/429 backbore. |
5G |
Deep |
25.50mm |
Med. wide, semi-flat. |
Same rim shape and diameter as No. 5 small shank tenor trombone. Fairly large and deep, with a dark, mellow tone, favoring the low register. .277" "J" throat/429 backbore. |
5GS |
Medium |
25.50mm |
Med. wide, semi-flat. |
Same rim and cup as No. 5G but with .265" (17/64") throat/420 backbore. |
6 1/2A |
Medium |
25.40mm |
Med. wide, well rounded. |
Same rim and cup as 6 1/2A small shank tenor trombone, but with a full bass trombone throat and backbore for a rich compact sound of large volume. .277" throat/429 backbore. |
6 1/2AL |
Medium |
25.40mm |
Med. wide, well rounded. |
Same specifications as 6 1/2AL small shank tenor trombone but with .265" throat. Requires well-developed embouchure. .265" (17/64") throat/420 backbore. |
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