Bach 42BO Tenor Trombone — Used, Excellent Condition
The Bach 42BO tenor trombone is one of the most iconic and widely used large bore tenor trombones in the world. Known for its broad, rich sound and excellent projection, the 42BO has been a top choice among professional orchestral players, advanced students, and serious freelancers for decades.
This particular 42BO is only lightly used and remains in excellent condition, showing minimal signs of use and no dents or dings. It has been carefully maintained and is free of any mechanical or cosmetic issues that would affect playability.
The horn features an open wrap rotor valve section, allowing for smoother airflow and a more open, free-blowing feel when engaged. It has a classic yellow brass 8.5" one-piece bell, yellow brass tuning slide, and a standard weight large bore (.547) handslide — all hallmark features that define the 42BO’s versatile, resonant character.
This trombone plays beautifully, offering the signature Bach warmth and focus in all registers. It would make an excellent choice for an advancing student stepping into their first pro-level instrument or for a seasoned player seeking a dependable workhorse for orchestral or solo repertoire.
Included with this instrument is a lightweight Bach case, a Bach mouthpiece, and basic lubricants — making it truly ready to go right out of the box.
A new Bach 42BO sells today for around $4,050 in 2025, making this lightly used example a fantastic value. Save significantly while still owning one of the most trusted large bore tenor trombones on the market.
This Bach 42BO trombone has been sold and is now part of our archive. To see our current selection, please visit our full list of used brass instruments in stock.
