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This Bach 5G large-shank trombone mouthpiece is in like-new condition, barely played and freshly polished. Featuring a gold-plated rim and cup, it offers added comfort and a warmer response compared to standard silver models. The 5G is the most commonly used size for large-bore tenor trombones and is widely considered the “gold standard” for advancing players and professionals alike.

2025 e-commerce retail rates for comparable models range from $109 for silver-plated to $349 for gold-plated versions, making this a fine opportunity to own a premium example at substantial savings. Offered here in perfect condition, ready to play.

This mouthpiece has sold and is shown here as reference.

FAQ – Care for Gold-Plated Mouthpieces
How do you polish gold plating without damaging it?
Use the same non-abrasive polish recommended for silver plating, or simply maintain with a standard silver polish cloth designed for musical instruments. This will safely remove light tarnish while preserving the integrity of the gold finish.