AS5200. The newest addition to the Antigua Pro line, the 5200 is synonymous with classic. It features a standard sized bell, a less tapered body than our PowerBell, redesigned key ergonomics, and exceptional intonation throughout the entire range. The new A25 neck truly makes the altissimo register sing. SPECIFICATIONS. SERIES: Antigua Pro. KEY: Eb. BODY: Yellow brass. CONSTRUCTION: Fully ribbed. PADS & RESONATORS: PISONI pads & metal resonators. BELL DECORATION: Hand engraved. FINISH: Vintage lacquered finish.