Trombone
Bach Trombones – Model 6 Build Configurations (1957)
Bach Trombone Build Sheet
Dated: 9/6/1954
| Model | Slide Bore | Mouthpipe | Slide Crook | Bell | Lrg. Tuning Slide Tube | Tuning Slide Bow | Sml. Tuning Slide Tube | Gooseneck |
| 6i | 0.485″ | #412 | 0.522″ | #401 | 0.721″ | #411 | 0.582″ | #411 |
| 6ii | 0.485″ | #412 | 0.522″ | #425 | 0.721″ | #411 | 0.562″ | #411 |
| 6iii | 0.485″ | #412 | 0.522″ | #425 | 0.670″ | #416 | 0.528″ | #416 |
| 6iv | 0.485″ | #412 | 0.522″ | #431 | 0.721″ | #416 | 0.562″ | #411 |
| 6v | 0.485″ | #412 | 0.522″ | #431 | 0.670″ | #416 | 0.528″ | #416 |
| 6vi | 0.485″ | #412 | 0.522″ | #436 | 0.721″ | #431 | 0.562″ | #411 |
| 6vii | 0.485″ | #412 | 0.522″ | #440 | 0.721″ | #431 | 0.562″ | #411 |
Some notes to add-
1. Models iii and v have the smallest bell thoats and smallest larger slide tubes, therefor making them the least desirable.
2. All bells listed on this sheet are from 1957 after Bach went to all 7 1/2 inch bells as standard sizes. Earlier M.V. and N.Y. bells could have 7 inch bells, but that would be the only variable from these numbers.
Source: Dr. Jason Oliver, D.M.A., Southeastern Oklahoma State University
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Bach Trombones – Bell Combinations | BachLoyalistJan 7, 2012 at 11:00 am
[...] Additional information on the model 6 variations can be found here. [...]