This Bach 36B trombone was built during the Corporation Era of the mid-1970s, a period widely respected for Bach’s craftsmanship and material quality. It features the classic .525 bore lightweight nickel silver slide, 8" yellow brass bell, and the familiar Bach rotor valve section.
The instrument underwent a complete shop service, including dent removal, a chemical bath, valve bracing re-solder, and full rotor service (removal, casing polish, and adjustment). The handslide was straightened and aligned, outer tubes polished, and the water key serviced. The result was a very clean, responsive trombone ready for professional or advancing use.
While this horn retains its original lacquer and parts, it was paired with a non-original Selmer TB200 woodshell case in excellent condition.
The 36B remains one of Bach’s most versatile designs, offering a medium-bore orchestral voice that bridges the gap between smaller jazz horns and the larger .547 bore 42B. Many players still prefer the 36B for its warmth, flexibility, and slightly lighter feel compared to the 42.
This example is now part of our Archive of Sold Instruments, preserved here for musicians and collectors researching Bach trombones from the Corporation Era.
FAQ
What bore size is the Bach 36B?
The 36B is built with a .525 bore handslide, placing it between smaller jazz horns and the full .547 bore 42B.
How does the 36B compare to the 42B?
The 36B uses an 8" bell and narrower slide, while the 42B expands to an 8.5" bell and .547 bore. Both models share the same valve and tuning slide, making them closely related in design.
Why are Corporation Era Bach trombones valued?
Instruments built during this period (1960s–70s) are admired for their consistency and superior craftsmanship, often preferred by players and collectors alike.
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