Small train material guide

Differences between brass, nickel silver, bronze and gold brass trombone slides

Trombone slides can be made from different materials: brass, nickel silver, bronze and gold brass. Each material has different properties that affect the sound and playability. Here are the main differences:

Brass

Brass is an alloy of copper and zinc. Brass trombone slides produce a warm sound. They are often a little heavier, which makes them more robust. Zinc corrosion is possible with this material, so regular maintenance is necessary. Brass slides are often cheaper than other slides. Well-known models with brass slides are the regular Bach Stradivarius trombones and many Yamaha models.

Nickel silver

Nickel silver is an alloy of copper, nickel and zinc, but does not contain any real silver. Nickel silver slides often offer a brighter sound and have a clearer projection. They are also lighter and improve mobility. In addition, zinc corrosion is not possible. This makes them more durable and easier to maintain. Nickel silver slides are usually more expensive than brass slides. The premium series from King and Bach Stradivarius with LT slide use nickel silver.

Bronze

Bronze is an alloy of copper and tin. Trombone slides made of bronze have a warm, dark sound. They are heavier and more robust. Bronze slides corrode less than brass slides, but care is still important. The Bart van Lier trombone from Kühnl is available with a bronze slide.

Gold brass

Gold brass has a higher copper content than normal brass. Often around 85%. Trombone slides made of gold brass offer a full sound and have good projection. They are heavier and robust. Gold brass slides are more resistant to corrosion, but regular maintenance is still necessary. These slides are more expensive than normal brass slides, but offer many advantages. Well-known examples are the Conn 88H, 6H and 48H.

Summary

The choice between brass, nickel silver, bronze and gold brass depends on personal preference and the desired sound. Brass slides offer a warm sound but require more maintenance. Nickel silver slides are more durable and easier to maintain. They offer a clearer sound. Bronze slides are known for their dark sound and are less susceptible to corrosion. Gold brass slides offer excellent sound quality and projection but are more expensive.

There are good reasons for each individual material. That is why each of them is used in instrument making.