Sound & Waves
Sound and waves equipment supports demonstration of acoustic and wave behaviour principles.
Suitable for classroom experiments, these tools help visualise frequency, vibration, and resonance.
Australian educators rely on durable teaching aids for engaging physics instruction.
Suitable for classroom experiments, these tools help visualise frequency, vibration, and resonance.
Australian educators rely on durable teaching aids for engaging physics instruction.
Advanced Resonance Apparatus with 1 m Vertical Scale Included
- 1 m vertical stand with metric scale for direct air column length reading during resonance trials.
- 20 mm plastic resonance tube connected to 1 L water vessel for adjustable air column boundary.
- Raise or lower water vessel to shift water level, tuning air column length quickly and repeatably.
- Tuning fork supplied, listen at tube mouth to identify strongest resonance positions and mark lengths.
- Use marked lengths to calculate wavelength and frequency of the tuning fork from resonance conditions.
$232.90 (Ex GST)
Anodised Aluminium Resonance Tube, 50 mm Diameter, 600 mm Length
- Straight resonance tube, anodised aluminium, 50 mm diameter, 600 mm length, sound and waves practical.
- Loudspeaker used to generate resonance at tube opening, supports standing wave demonstrations in air.
- Studies relationship between frequency and resonance conditions using fixed tube length and controlled tone.
- Simple durable tube format for classroom resonance experiments, easy to handle and store.
- Requires external loudspeaker sound source, suitable for basic acoustics lessons and demonstrations.
$65.90 (Ex GST)
Blued Steel Tuning Forks, Sound and Vibration Demonstration Range
- Blued steel tuning forks for sound and vibration demonstration work
- Frequency options span low C 128 Hz to upper C 512 Hz
- Suitable for use with stroboscopes, mirrors, water, and ping pong balls
- Can also support demonstrations with oscilloscopes and lasers
- Uniform fork dimensions support consistent classroom and laboratory handling
From $7.50 (Ex GST)
This product has multiple variants. The options may be chosen on the product page
Chladni Plate Set (2 Plates) with Violin Bow and Sand Included
- Two bronze Chladni plates, square and round, about 150 mm diameter, classic resonance pattern set.
- Central clamp mounts plate rigidly to bench yet allows free vibration when excited by bowing.
- Resin-coated violin bow excites plate edge, finger touch selects modes and natural frequencies.
- Special sand sprinkled on plate migrates into complex nodal line patterns during resonance.
- Visual demonstration of standing waves, vibration modes, resonance, and nodal regions in acoustics.
$248.90 (Ex GST)
Kundt’s Tube Apparatus with Microphone and Speaker, 50 mm Diameter, 800 mm Length
- Transparent Kundt’s resonance tube, 800 mm scale, adjustable piston, standing wave and resonance study.
- Two side holes with sliding shutters, supports controlled openings and repeatable experiment conditions.
- Mini-speaker fits tube end, generates sound waves, driver interfaces to amplifier or oscilloscope.
- Movable miniature microphone probes sound level along tube, helps find maxima and minima positions.
- Instruction booklet included, oscilloscope ideal for measurements, amplifier also usable for audible resonance.
$439.50 (Ex GST)
Melde’s Apparatus String Vibrator, 4–8 V AC Supply
- Melde’s string vibrator for standing waves, cord attaches to armature tip hole, bench-mounted clamp included.
- Cord runs along bench and over edge via pulley, hanging weight sets known tension for repeat studies.
- Pulley-on-rod adjusts so cord stays parallel to bench top, improves alignment and pattern clarity.
- Driven by high-power signal generator, armature adjusted and clamped to vibrate at set frequency.
- Produces measurable standing-wave patterns, supports frequency–wavelength relationships in string experiments.
$230.50 (Ex GST)
Organ Pipe with Sliding Piston, Adjustable Pitch Air Column Demonstrator
- Varnished wooden organ pipe with sliding piston, variable air-column length for resonance and pitch studies.
- Graduated piston marked chromatic scale C 512 to 1024, supports repeatable tone settings and comparisons.
- 54 cm pipe with 840 mm fully extended length, wide adjustment range for classroom demonstrations.
- Sound by blowing or air supply via rubber hose, shows standing waves and frequency change with length.
- Beats investigation possible with second matching pipe, supports oscilloscope work with microphone and amplifier.
$68.50 (Ex GST)
Powell’s Pattern Wave Motion Apparatus with Rotatable Scale Indicator
- Powell’s wave motion demonstrator, moulded mechanism, smooth and quiet turning for classroom viewing.
- Shows transverse wave motion, particle motion perpendicular to wave direction, clear visual pattern.
- Shows longitudinal wave motion, particle motion parallel to wave direction, compare against transverse.
- Handle scale 0–360°, tracks one full cycle, supports phase and angle correlation activities.
- Cam rotation drives sine-wave action, relate angle to wave position during step-by-step rotation.
$219.50 (Ex GST)
Resonance Whirling Tube, Five Tone Sound and Airflow Demonstration Type
- Demonstrates resonance through whirling motion, helping students hear clear changes across 5 possible sound frequencies
- Also supports fluid dynamics teaching where airflow, motion, and sound behaviour are explored in practical lessons
- Approximate 73 cm pipe length provides a suitable format for visible and effective classroom demonstration use
- 32 mm pipe diameter supports the intended sound response during hands-on educational physics activities
- Lightweight PE construction at about 45 g per piece assists handling during repeated school and lab demonstrations
$11.50 (Ex GST)
Savart’s Tone Wheel Alloy STEM Apparatus, 10 mm and 6 mm Diameter
- Four toothed metal discs on shaft, about 73 mm diameter, rotate to generate tones in acoustics lessons.
- Stiff card pressed to wheel edge, teeth strike card, produces audible tone linked to tooth count.
- Tooth counts 36, 45, 54, 72, represent ratio 4:5:6:8 for frequency relationship teaching.
- Sound all four discs together, combined tones form natural chord, demonstrates musical intervals.
- STEM demonstrator for tone, frequency ratios, harmonics, and auditory comparison without electronics.
$109.90 (Ex GST)
Siren Disc, Lab Sound Apparatus
- Rotating siren disc sound demonstrator, air jet through hole rows produces audible siren tone
- Aluminium disc listed 175 mm diameter with 10/6 mm stem, mounts on central shaft for rotation
- Four hole rows listed 24, 30, 36 and 48 holes, stated ratios 4, 5, 6 and 8
- Combined output of all hole rows stated to form a natural musical chord during operation
- Metal blow tube with fine jet directs air onto disc holes, creates siren sound for physics teaching
From $9.50 (Ex GST)
This product has multiple variants. The options may be chosen on the product page
Sonometer and Spare Wire Sets, Classroom Frequency Demonstration Range
- Sonometer range for demonstration use and spare wire replacement
- Main variation supplied in hollow wooden 1 metre format
- Demonstrates frequency relation to tension, length, and string mass
- Spare wire set includes brass, iron, and badminton racket wire
- Suitable for classroom sound experiments and Mersenne's Law study
From $18.90 (Ex GST)
This product has multiple variants. The options may be chosen on the product page
Sound Level Meter, 30 to 130 dB Classroom Acoustics Measurement Type
- Sound level meter 30–130 dB range, measures SPL for classroom noise and acoustics comparisons.
- A-weighted and C-weighted options, supports different weighting methods in sound experiments.
- Frequency range 31.5 Hz to 8000 Hz, suitable for basic audio band measurement activities.
- Fast/slow response selectable, track changing levels or stabilise readings for steady sources.
- Pocket-sized plastic case, LED backlit display, 210 × 55 × 32 mm, runs on 9 V battery.
$171.90 (Ex GST)
Tuning Fork Sets and Resonance Box Models, Sound Demonstration Range
- Range includes tuning fork sets and mounted resonance demonstration model
- Set formats available in blued steel, chrome plated, and aluminium alloy steel
- Case styles include polystyrene case, foam case, and wooden box
- One variation includes hammer and rubber mallet for practical classroom use
- Resonance box pair demonstrates sympathetic resonance and audible beat frequencies
From $33.90 (Ex GST)
This product has multiple variants. The options may be chosen on the product page
Vibration Generator, Mechanical Vibration Demonstration Apparatus
• Produces controlled mechanical vibration when connected to a signal generator for physics and laboratory demonstrations
• Threaded armature extension supports attachment of plates and related items for Chladni’s figure experiments
• Strong base and enclosed plastic housing assist stable bench use and internal component protection
• Special coil design supports prolonged operation at maximum rating without overheating during practical use
• Fuse protection and shaft locking arrangement improve safety during operation, storage, and transportation
$174.50 (Ex GST)
Wave Demonstration Spring, Expanding Plastic Model for Classroom Physics
- Light weight plastic construction supports easy handling during repeated classroom and physics wave demonstrations
- Highly visible format helps students observe wave motion more clearly in practical teaching activities
- Expands from 50 cm to 370 cm for longer range demonstration of wave movement and propagation
- Suitable for mid air use where simple, direct visual explanation of wave behaviour is required
- Useful for school science lessons introducing foundational wave concepts through hands-on demonstration
$27.50 (Ex GST)
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Sound and Waves experiments form an important part of physics education, helping students understand how mechanical waves travel through different media and how sound energy behaves. Laboratory investigations in this area explore concepts such as wave motion, frequency, wavelength, amplitude, resonance, interference, and the propagation of sound through solids, liquids, and gases. These principles are fundamental to fields including acoustics, telecommunications, signal processing, and modern audio technologies.
In physics laboratories, sound and wave apparatus allows students to observe and measure wave behaviour through controlled experiments. Typical equipment may include resonance tubes, tuning forks, wave generators, ripple tanks, oscillation systems, sound frequency demonstration kits, and acoustic measurement tools. These instruments help demonstrate how waves reflect, refract, interfere, and resonate, providing a clearer understanding of the physical laws that govern wave motion.
Some experimental setups may incorporate laboratory glass components, measurement devices, or electrically powered instruments. Where glass materials are used, borosilicate glass such as BORO 3.3 is commonly referenced under ISO 3585 for its thermal stability and chemical resistance. Additional laboratory glass standards may include ASTM E438, which specifies requirements for glass used in laboratory apparatus. For electrical measurement or demonstration equipment used in laboratory environments, which applies to electrical equipment used in measurement, control, and laboratory applications.
Sound and wave experiments are especially valuable in teaching laboratories because they help students visualise energy transfer through oscillations and vibrations. By observing resonance effects, standing waves, and sound propagation, learners gain practical insight into how wave phenomena influence real-world systems such as musical instruments, sonar technology, communication devices, and acoustic engineering.
At LabChoice Australia, we supply sound and waves laboratory equipment suitable for school science laboratories, university teaching environments, and physics demonstration setups. Our range is selected to support clear visual learning, reliable experimental performance, and safe laboratory use across Australian education and research settings.