The Yamaha YSL-646 is a rare medium bore .525 tenor trombone originally made for the Japan and European markets. This particular example is in excellent condition and has received full shop service including a professional chemical bath, rotor service, and handslide alignment. The horn features a yellow brass bell and a lightweight yellow brass handslide that plays clean and balanced. The standard F-attachment valve section is tight, fast, and quiet.
This model takes a small shank mouthpiece and offers a compact, focused sound with enough flexibility for solo, jazz, or ensemble use. It’s a perfect step-up option for a developing player ready to move into an F-attachment horn without jumping to a full .547 bore orchestral trombone. Many players appreciate the YSL-646 for its ease of response, tonal clarity, and ergonomic design. There is no history of damage, and the bell has never been creased. The lacquer is intact and the overall aesthetic is clean and original.
The case is also in excellent condition and fits the horn securely. Yamaha’s 600-series trombones currently retail new for over $2,200. This pre-owned 646 offers a tremendous value for a player looking for Yamaha build quality at a more affordable price point.
What makes the Yamaha YSL-646 an ideal step-up trombone?
The YSL-646 combines professional-level craftsmanship with a medium bore design that’s easier to control for younger or intermediate players. Its balanced weight, smooth slide, and compact bell response make it one of the best-value F-attachment trombones for advancing musicians.
This Yamaha YSL-646 has been sold and now appears here in our Archive of Sold Instruments as a reference for players, collectors, and those researching medium bore Yamaha trombones.
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