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S.E. Shires bass trombones and .525 and .547 bore tenor trombones are
available with the choice of three different valves: the new S.E.
Shires TruBore Valve (Patent Pending), the S.E. Shires Rotary Valve
or S.E. Shires Axial Flow Valve. Because an airtight valve is essential
to the response and centered feel of the instrument in all registers
and many valve options on the market do not meet our pressure-test standards,
we choose to produce all of our valves in-house. We thoroughly test
for accurate tolerances and perfect action at every stage of manufacture.
Double-valve bass trombones can be ordered with either inline or dependent
valve configurations.
The S.E. Shires TruBore
Valve is our own design, a valve that captures many of the free-blowing,
evenly responding characteristics of a straight trombone, with an amazingly
continuous response between the open and engaged positions.
The S.E. Shires Rotary Valve is a superior version of the traditional
rotary valve design, maintaining the size and shape of the tubing through
the valve ports. Many players choose the S.E. Shires Rotary Valve for
its secure feel and light, quick action.
The S.E. Shires Axial Flow Valve is constructed of nickel-plated
brass in a brass casing. The Axial Flow Valve has the most open feel
and sound of any valve on the market today.
A gooseneck, interchangeable with the valve section, can be ordered
to convert any tenor or bass trombone to a straight trombone.
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