This Bach 42BO trombone from the late 1990’s is a solid example of why this model remains one of the most trusted professional large bore tenors. It has undergone a full shop service, including chemical bath, rotor service, and replacement of pads, felts, and bumpers. No additional work is required — it is fully gig-ready and plays exactly as a 42BO should.
The bell section shows only minimal cosmetic history, including one prior dent removal, but is now perfectly straight and resonant. The handslide is in outstanding condition, smooth and fast with no drag or plating issues. The original case is included and remains in very good condition.
For advancing players, the Bach 42BO continues to be a top recommendation for its balance of power, tonal depth, and reliability. This late 1990’s model is an attractive option not only in appearance but also as a player’s horn, free of issues and ready to perform.
FAQ 🤔
Why is the Bach 42BO such a popular choice among players?
The 42BO combines Bach’s classic 8.5" yellow brass bell with an open wrap F-attachment, giving it projection, warmth, and versatility across orchestral, solo, and band settings. It has become a standard for advancing students and professionals alike.
What does the open wrap design really do?
The open wrap was originally developed to reduce condensation buildup inside the valve tubing. While some players feel it offers a freer blow, its biggest benefit is often practical — less water collecting in tight bends.
Is a late 1990’s Bach 42BO still competitive with new models?
Yes. Many players prefer these earlier examples for their craftsmanship and consistent playability. With proper servicing, a late-90’s 42BO often performs as well or better than newer models fresh from the factory.
This Bach 42BO is now part of our Archive of Sold instruments and is listed here as a reference for musicians, collectors, and advancing students researching professional-level trombones.
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