Alto Trombone Bells
Edwards alto trombones are available in 7¾" bell flares in the following wall thicknesses: 22 (heavier) and 23 (lighter) gauges. Bells are available in yellow brass (70% copper 30% zinc) and red brass (90% copper 10% zinc). Higher copper content bells generally are very dark in the soft volumes but become more brilliant in the louder volumes. Yellow brass bells are more consistent in timbre throughout all registers and dynamics.
A soldered bell tends to have a very centered sound with a lot of core (fundamental). The articulations are slightly dampened and softer with the solder, while the sound is more direct and compact.
An unsoldered bell has a very wide sound with more overtones. Articulations are easier with an unsoldered rim. More near feel is apparent with these bells as the sound is wider, which helps give the player more feedback.
Tempering occurs when a bell is spun twice on a mandrel which work hardens the bell. This adds brilliance and colour to the sound.
Double buffing thins the bell slightly. It actually creates a thickness in between any two gauges.
Heat treating is a baking of the entire bell. This softens the metal immensely and creates a very dark sound. This works best on heavier bells as it tends to free them up. Heat treating is not recommended on thinner bells as it makes them more prone to mute dents. The CF treatment has virtually replaced heat treating.
CF treating is a partial heat treating process. This treatment allows the bell to blow more freely and adds colour to the sound.
Popular Alto Trombone Bells
The following are our most popular alto trombone bells. For information about other bells, or to special order a bell, please contact us.
|Bell||Gauge||Alloy||Soldered Rim||Tempered||Double Buffed|
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Download price list (US Customers)
International customers should contact a dealer in your area for your pricing.
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In Their Own Words
"The Edwards B502-I allows me to produce the sound that I strive for in all settings; whether chamber, orchestra or as a soloist. It is quick to respond in all registers with a full rich tone. It truly is a fantastic instrument."
Professor, Boston Conservatory