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17

A typical 3-finger valve cluster only has 7 useful combinations. Brass instruments combine that with vibrating the lips at different speeds so that notes in the harmonic series of any one of those valve combinations are sounded. In contrast, reed aerophones only vibrate best at the resonant frequency of the instrument as it is configured with the current ...


5

The simple answer from a historical perspective is that valves on brass instruments were an addition to simple coiled horns like the bugle and hunting horn. It's kind of counterintuitive to add something in order to take away something; why not add something that adds something? Add the valve, and add its pipe; with the valve not depressed, the instrument is ...


2

Yes. When cleaning the tuba (in the sense of a full cleaning of the instrument), you should also take out the springs in order to clean properly. This is for more easily cleaning both the springs and also the bottom interior of the housing.


1

Short answer, no. To oil it, first unscrew the top valve cap and remove piston. Next wipe off the old oil. Apply the new oil to the piston. Replace piston to valve casing and re-screw top valve cap. Screw the finger-piece clockwise until it stops. This aligns the piston correctly in the casing. Press and depress key quickly to work oil around. You ...



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