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An in depth discussion and playing comparison of the MAW Valves created by Martin Wilk with the factory valves on an Eastman Winds EBC836S CC tuba. *Martin wanted me to clarify that he does not make these valves for all tuba models. Please contact him for availability*
More information about these valves can be found at: www.mawvalve.com
#iplayeastman #teameastmantubas #eastmanwinds