Morgan Excalibur Large Chamber Alto Saxophone Mouthpiece (NEW)Morgan Excalibur Alto L (Large Chamber) Saxophone Mouthpiece An original legacy model designed by Ralph Morgan. This model has been available since the mid 1980s. This model has a large round chamber with low rollover baffle. It produces a traditional warm, rich and deep tone. The Excalibur Model is unique in that it has a streamlined body. It will feel a bit smaller in the mouth, so if you are used to playing on a metal mouthpiece, your embouchure