Needs New Photo
H3-03: REFLECTION OF PULSES IN TUBE
Category: H3 Standing Sound Waves
Purpose:
Demonstrate the phase of pulses reflected from open ends and closed ends of a tube.
H3-02: STANDING SOUND WAVES - REFLECTION
Category: H3 Standing Sound Waves
Purpose:
Demonstrate the origin of standing waves from one source and its reflection.
H3-01: STANDING SOUND WAVES - TWO SOURCES
Category: H3 Standing Sound Waves
Purpose:
Demonstrate the origin of standing waves from two identical sources.
H2-28: FOURIER SYNTHESIZER - ADDITION OF WAVES
Category: H2 Wave Properties of Sound
Purpose:
Demonstrate addition of two sine waves with variable phase difference.
H2-25: QUINCKE'S INTERFERENCE TUBES
Category: H2 Wave Properties of Sound
Purpose:
Demonstrate interference of sound waves in a perhaps surprising way.
H2-24: AUDIBLE YOUNG'S EXPERIMENT - MIC AND SCOPE
Category: H2 Wave Properties of Sound
Purpose:
Demonstrate interference of sound with two coherent sound sources in a quantitative way.
H2-03: ACOUSTIC RADAR
Category: H2 Wave Properties of Sound
Purpose:
Illustrate how RADAR and SONAR work
H2-01: FOCUSING OF SOUND WITH CONCAVE REFLECTORS
Category: H2 Wave Properties of Sound
Purpose:
Demonstrate how sound waves can be focused by concave reflectors.
G3-52: ROPE WAVE GENERATOR - ROPE TENSION VS WAVELENGTH
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Observe the change in wavelength of a vibrating rope as the tension is varied.
G3-42: TORSIONAL WAVES
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Demonstrate wave phenomena such as traveling waves, standing waves, and reflection of waves.
G3-25: SLINKY ON LECTURE TABLE - IMPEDANCE MISMATCH
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Show partial reflections and dependence of wave speed on density of the medium.
G3-23: TRANSVERSE WAVES ON A LONG SPRING - FREE END
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Show reflections at a free end.
G3-11: SHIVE WAVE MACHINE - RESONANCE ABSORPTION
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Demonstrate resonance absorption of wave energy by a mass-on-spring system.
G3-10: SHIVE WAVE MACHINE - BRANCHING
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Demonstrate branching and recombining with two wave machines in parallel.
G3-09: SHIVE WAVE MACHINE - FREQUENCY FILTERING
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Demonstrate frequency filtering through a "filter" consisting of four weighted crossarms and the interference from partial reflections they produce.
G3-08: SHIVE WAVE MACHINE - FABREY-PEROT INTERFEROMETER
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Demonstrate the mechanical analog of the optical Fabrey-Perot interferometer.
G3-07: SHIVE WAVE MACHINE - TAPERED TRANSFORMER
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Useful for obtaining a reasonably good impedance match between the two large segments of the Shive machine.
G3-05: SHIVE WAVE MACHINE - PARTIAL REFLECTIONS
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Show that a wave will be partially reflected at a point where the impedance changes.
G3-06: SHIVE WAVE MACHINE - IMPEDANCE MATCHING
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Show that no reflection occurs when the impedance of the load (absorber at right) matches the impedance of the wave machine.
G3-04: SHIVE WAVE MACHINE - STANDING WAVES
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Demonstrate standing waves.
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H4-01: FOURIER SYNTHESIS
Demonstrate Fourier synthesis of complex wave shapes Read More
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H4-04 FOURIER ANALYSIS - DIGITAL OSCILLOSCOPE
Demonstrates the Fourier spectrum of complex waves Read More
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H4-11 SAVART'S DISCS
Demonstrates the relationship of pitch and musical intervals to mechanical vibration frequency Read More
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H4-12: LISSAJOUS FREQUENCY MEASUREMENT
Show how frequencies can be matched using Lissajous figures Read More
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H4-13: PLAYING IN JUST INTONATION
Show musical intervals in just intonation Read More
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H4-14: LISSAJOUS FIGURES - VOICE
Provide a Lissajous type display from a single vocal source Read More
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H4-16: TUNER - KORG
Demonstrate use of an electronic tuner Read More
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H4-17: AUDIOTAPE 16 MIN - MUSICAL TEMPERAMENT
Demonstrate use of an electronic tuner Read More
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H4-18: LISSAJOUS FIGURES WITH SOUND
Demonstrate use of an electronic tuner Read More
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H4-21: EDGE TONES
Illustrate edge tones and the factors that effect their sound Read More
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H4-22: BOTTLE BAND
Demonstrate how edge tones and Helmholtz resonators can be used to create a bottle band Read More
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H4-23: SOUND BOARD - TUNING FORK AND LECTURE TABLE
Demonstrate the effect of a sounding board Read More
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H4-31: VIOLIN
Demonstrate some acoustical features of the violin Read More
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H4-32: VIBRAPHONE
Illustrate how a vibraphone works Read More
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H4-33: ORGAN PIPE
Illustrate how an organ pipe works Read More
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H4-34: GUITAR AND OSCILLOSCOPE
Illustrate how a guitar works Read More
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H4-35: FRENCH HORN
Show what a French horn and other similar instruments, such as the French horn, look like Read More
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H4-36: LIP-BLOWN TUBE
Determine the frequencies and harmonic numbers of the resonances in a plastic tube blown like a trumpet Read More
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H4-37: FLEXIBLE TRUMPET
Demonstrate some acoustical features of the trumpet Read More
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H4-38: CORNET
Demonstrate the features of a cornet Read More
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H4-39: PLASTIC TUBE FLUTE
Show basic features of a very simple flute Read More
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H4-40: PLASTIC TUBE CLARINET
Demonstrate how the clarinet overblows at a musical twelfth Read More
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H4-41: DRUM
Demonstrate a pretty drum Read More
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H4-42 RECORDER
Can hear the sounds of a recorder Read More
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H4-43: UKELELE
Experiment with the increasingly-popular ukelele Read More
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H4-51: MODULATION - AM AND FM
Demonstrate AM and FM signal modulation as an introduction to vibrato and tremolo Read More
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H4-52: SPECTRUM ANALYSIS OF MODULATION
Compare and analyze the frequency spectra of various modulated sounds such as tremolo, vibrato, and beats Read More
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H4-53: MOOG ROGUE SYNTHESIZER
Illustrates a simple analog music synthesizer Read More
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H4-55: YAMAHA DX7S DIGITAL SYNTHESIZER
Demonstrate features of a modern digital synthesizer Read More
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H4-56: SYNTHESIZER INTRODUCTION - VOLTAGE CONTROL OF FREQUENCY
Illustrate a voltage-controlled frequency device Read More
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H4-58: MODULATION - AM RADIO
Show amplitude modulation in in AM radio signals Read More
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H4-64: DISTORTION IN AUDIO AMPLIFIER
Demonstrate distortion due to over-driving an audio amplifier Read More
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H4-65: CROSSOVER NETWORK FOR SPEAKERS
Demonstrate the operation af a crossover network. Read More
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H4-66: CROSSOVER NETWORK - LARGE ADVENT
Show circuit and components of a passive crossover network and how the crossover network functions Read More
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H4-67: CD WITH HOLE
See if a compact disc will play even if it has a small hole drilled through it Read More
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H4-68: MP3 COMPRESSION
Play and compare various MP3 compressions of a short musical CD excerpt Read More
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H4-71: AUDIOTAPE 20 MIN - ACOUSTICS FOR THE MUSIC EDUCATOR
Illustrate some principles of room acoustics as applied to music rehearsal rooms and concert halls Read More
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H4-81: AUDIO CART - COMPLETE AUDIO SYSTEM
Show the various components of a reasonably modern audio system Read More
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H4-91: COMPACT DISC - MULTIMEDIA SOUND
Demonstration of a number of audio effects and source of a variety of musical instrument and other sounds Read More
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H4-92: AUDIO RECORDING - DIGITAL DOMAIN DEMONSTRATION CD
Examples of early digital sound reproduction Read More
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