Brass Musical Instruments

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Brass Instruments Such as Trumpets, French Horns, Tubas, and Trombones

Brass instruments work with valves, except for the trombone. The note played is selected by the length of the air path. How the length changes in a trombone is obvious, but in other brass instruments the valves have holes carefully placed. When a valve is depressed, one or more holes align with the instrument, and other paths are blocked, forcing the air to take a given length to the opening at the end of the bell.

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Brass Instruments

Resonance occurs when a wave moving through a tube, and the wave reflected at the end of the tube, pass each other so as to create a standing wave, which means at some points there is always a cancellation, or a node, and half way between the nodes the waves add to each other to produce an anti-node. Waves do reflect from the open end of a tube, as well as the closed end. The air path thus determines the frequencies that will resonate, or become reinforced.
Playing pure tones does not make a pleasant sounding performance. The note must be accompanied by frequencies close to it, to enhance the appeal to the audience. Flaring the bell allows the waves to take slightly different paths, so a small band of frequencies are reinforced. Another reason to flare the bell is to reduce the pressure, making it easier to have the resonating sound to move forward towards the audience.

Trumpet

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French Horn

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Trombone

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Tuba

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  • travelerme Nov 21, 2011 @ 10:06 am | delete
    nice
  • travelerme Nov 21, 2011 @ 10:05 am | delete
    I really appreciate this lens
  • travelerme Nov 21, 2011 @ 10:05 am | delete
    I really appreciate this lens

Trumpet

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Cornet

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Trombone

Etude Series Student Trombone Model ETB-100 Lacquer

Etude Series Student Trombone Model ETB-100 Lacquer

The ETB-100 student model trombone is a quality in more...0 points

Cecilio 2Series TB-280N Nickel Plated B Flat Trombone w/ Case and Accessories

Cecilio 2Series TB-280N Nickel Plated B Flat Trombone w/ Case and Accessories

This trombone comes with a Stunning Nickel Plated more...0 points

Metal Trombone Kazoo

Metal Trombone Kazoo

The Trombone Kazoo is a kazoo with a bell and slid more...0 points

Hisonic Signature Series 2210L Bb Brass Slide Trombone with Case

Hisonic Signature Series 2210L Bb Brass Slide Trombone with Case

Our Instruments and Accessories are Brand new, dir more...0 points

YSL354 Trombone

YSL354 Trombone

Durable, with a great sound and easy to play, this more...0 points

French Horn

Gator Cases GL-FRENCHHORN-A French Horn Lightweight Case

Gator Cases GL-FRENCHHORN-A French Horn Lightweight Case

Rigid EPS Foam Lightweight Case for French Horn; N more...0 points

Protec Contoured French Horn Pro Pac

Protec Contoured French Horn Pro Pac

The PB316CT is designed to accomodate double & more...0 points

Mendini MFH-20 Single F key French Horn w/ Case & Chromatic Tuner with Metronome

Mendini MFH-20 Single F key French Horn w/ Case & Chromatic Tuner with Metronome

Mendini by Cecilio MFH-20 French Horn in the key o more...0 points

Music

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