Brand: WarburtonDescription from Thomann : - Fits all Warburton trumpet tops - Works like a normal back-bore - Too much pressure releases the air - Helps with "pressure-weak" practice - To adjust the pressure: Unscrew the appliance and change the tension of the spring by removing the rings - Does not extend the instrument, so you can O.P.S. also in the music sample use
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Various Accessories pour TRUMPET |