The Courtois AC131BR Prestige Alto Trombone has all the same features of the AC131R, but adds a trill key feature. A .464-inch to .492-inch dual bore with a detachable mouthpipe design creates excellent response and tone, while a 7-inch Rose brass bell for adds warmth and richness to the sound.
We use cookies and similar technologies for analytics and marketing. No non-essential cookies or trackers run until you accept. You can reject and continue using the site normally. Learn more
