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Vibrations and Waves Manufacturer, Suppliers and Exporter in Africa
Didactic Africa is leading Vibrations and Waves Manufacturer,and supplier and Exporter in Africa, Algeria (Algiers), Angola (Luanda), Argentina (Buenos Aires), Armenia (Yerevan), Australia(Canberra), Austria (Vienna), Bahrain (Manama), Bangladesh (Dhaka), Bhutan (Thimphu), Bolivia (Sucre), Botswana (Gaborone), Brazil (Brasília), Brunei (Bandar Seri Begawan), Montenegro (Podgorica), Morocco (Rabat), Mozambique (Maputo), Myanmar (Naypyidaw), Namibia (Windhoek), Nepal (Kathmandu), New Zealand (Wellington), Nigeria (Abuja), Oman (Muscat), Palestine (Ramallah), Panama (Panama City), Papua New Guinea (Port Moresby), Paraguay (Asunción), Peru (Lima), Philippines (Manila)¸ Portugal (Lisbon), Qatar (Doha), Rwanda (Kigali), Saudi Arabia (Riyadh), Senegal (Dakar), Serbia (Belgrade), Sierra Leone (Freetown), Slovakia (Bratislava), South Africa (Cape Town) (Pretoria) (Bloemfontein), South Sudan (Juba), Spain (Madrid), Sri Lanka (Sri Jayawardenepura Kotte) (Colombo), Sudan (Khartoum), Syria (Damascus), Tanzania (Dodoma), Thailand (Bangkok), Togo (Lomé), Tonga (Nuku'alofa), Trinidad and Tobago (Port of Spain), Tunisia (Tunis), Turkey (Ankara), Turkmenistan (Ashgabat), Uganda (Kampala), United Arab Emirates (Abu Dhabi), United Kingdom (London), United States (Washington, D.C.)
Waves and sound apparatus from Didactic Africa covers stroboscopes, ripple tanks, vibration generators, loudspeakers and classic demonstrations such as the bell in a jar. The 17 items listed include the Ripple Tank Kit, the Sonometer 3 Wire Pattern, Kundt's Resonance Tube and the Digital Xenon Stroboscope.
Last updated: October 2026
Vibrations and Waves range at a glance
| Group | Items listed | Examples |
|---|---|---|
| Stroboscopes | 3 | Digital Xenon Stroboscope (1 to 300 Hz); Mini Stroboscope (up to 6 flashes per second) |
| Ripple tank and vibration generator | 2 | Ripple Tank Kit (40 x 40 cm tank); Vibration Generator Standard Version (amplitude +/- 3 mm) |
| Sound sources and sensors | 4 | Demonstration Loudspeaker (10 W RMS, 8 ohm); Mini Sound Level Meter with Temperature (30 to 130 dB) |
| Resonance, strings and tuning forks | 3 | Sonometer 3 Wire Pattern (72 cm between bridges); Large Demonstration Tuning Fork (750 mm) |
| Sound in a vacuum | 3 | Bell in a Jar Experiment (aluminium pump plate with stopcock); Buzzer in a Vacuum Vessel (acrylic vessel) |
| Doppler effect | 1 | Doppler Effect Unit (rotating arm, 6 V DC motor) |
| Stands | 1 | Squat Retort Base (cast iron, takes 10 mm rods) |
How to choose waves and sound apparatus
- Stroboscopes: the Hand Stroboscope Simple is a slotted disc turned by hand; the Mini Stroboscope is a battery-operated LED strobe flashing up to 6 times per second; the Digital Xenon Stroboscope runs from 240 V AC with a variable flash rate of 1 to 300 Hz and external triggering.
- Water waves: the Ripple Tank Kit has a 40 x 40 cm tank, point and plane-wave dippers, Perspex plates and barriers for reflection, refraction, diffraction and interference; the Vibration Generator Standard Version gives electronically controlled waves with an amplitude of +/- 3 mm.
- Sound in a vacuum: the Bell in a Jar Experiment uses an aluminium pump plate on a tripod base with a stopcock; the Buzzer in a Vacuum Vessel is a compact acrylic alternative; the Air Pump Plate is made of PVC and fits a standard bell jar.
- Sources and measurement: the Demonstration Loudspeaker (10 W RMS) and the smaller 4 W Loudspeaker can stand vertically or horizontally; the Microphone suits sound frequency and speed of sound experiments with data loggers; the Mini Sound Level Meter with Temperature reads 30 to 130 dB.
Frequently asked questions
Which waves and sound apparatus shows that sound needs a medium?
The Bell in a Jar Experiment and the Buzzer in a Vacuum Vessel. As the air is pumped out, the sound fades because there is no air to carry it. The Air Pump Plate can be used with a standard bell jar for other low-pressure demonstrations.
What does the Sonometer 3 Wire Pattern include?
A hollow wooden sounding box with millimetre scales and 72 cm between the fixed bridges, three movable bridges, a wrest-pin key and steel wires of 22, 24 and 26 SWG. One wire is tensioned through a spring balance reading to 100 N.
What is Kundt's Resonance Tube used for?
It demonstrates standing waves and is used to determine wavelengths. The tube has a millimetre scale and a moveable piston that changes the length of the air column.
How is the Doppler Effect Unit powered?
Its rotating arm is driven by a 6 V DC motor that runs from a standard laboratory low-voltage power supply, and the sound source takes two AA batteries. It is used with a microphone connected to a computer running sound-editing software.
Related ranges
Forces and Motion | Energy Physics | Optics
Request a quote
To request a quotation for the Ripple Tank Kit, the Sonometer 3 Wire Pattern or other items in this range, contact Didactic Africa.
Squat Retort Base
Product Code : DA-VAW-11264
Stump-shaped cast iron retort base in stoved enamel, accepting 10mm diameter rods and complete with a thumb-screw clamp.
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Demonstration Loudspeaker
Product Code : DA-VAW-11265
Demonstration speaker rated 10 W RMS with 8 ohm impedance, in a beech wood and acrylic frame with 4 mm sockets on the front.
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Air Pump Plate
Product Code : DA-VAW-11266
PVC air pump plate, 210mm in diameter, with a valved vacuum fitting and 4mm jack connectors, for 150 mm diameter bell jars.
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Kundt’s Resonance Tube
Product Code : DA-VAW-11267
Resonance tube with a millimetre scale and moveable piston for demonstrating standing waves and finding the wavelength of sound in air.
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Microphone
Product Code : DA-VAW-11268
Small microphone, 105 x 30mm, for sound interference, sound frequency and speed of sound experiments, supplied with a 10 mm support rod.
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Doppler Effect Unit
Product Code : DA-VAW-11269
Doppler effect unit with a rotating arm driven by a 6 V DC motor that runs from a standard laboratory low-voltage power supply.
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Large Demonstration Tuning Fork
Product Code : DA-VAW-11270
Large nickel-plated steel tuning fork, 750 mm long, whose slow oscillations of around 5.4 Hz can be seen rather than heard.
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Loudspeaker
Product Code : DA-VAW-11271
Compact 4W, 8 ohm cone loudspeaker on an acrylic base, with a hard drilled protective cover over the front.
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Hand Stroboscope Simple
Product Code : DA-VAW-11272
Black hardboard stroboscope disc, 255mm in diameter, with 12 slots and a finger hole, pivoted on a ball bearing handle.
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Digital Xenon Stroboscope
Product Code : DA-VAW-11273
Compact xenon stroboscope with digital flash rate adjustment from 60 to 18,000 rpm and an external triggering facility.
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Vibration Generator Standard Version
Product Code : DA-VAW-11274
Sturdy vibration generator providing electronically controlled waves with an amplitude of +/- 3 mm, for creating ripples to study wave motion.
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Ripple Tank Kit
Product Code : DA-VAW-11275
Overhead projector type ripple tank with a 40 x 40 cm acrylic-bottomed tank, eccentric motor dippers and a set of accessories.
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Mini Stroboscope
Product Code : DA-VAW-11276
Battery-operated LED strobe in robust plastic, flashing up to 6 times per second, with speed control and a hanging bracket.
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Sonometer 3 Wire Pattern
Product Code : DA-VAW-11277
Three-wire sonometer on a hollow wooden sounding box, with 72 cm between fixed bridges, a 100 N spring balance and a pulley-loaded wire.
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Buzzer in a Vacuum Vessel
Product Code : DA-VAW-11278
Compact acrylic vacuum vessel with a foam-mounted buzzer, whose sound is attenuated as the air is evacuated.
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Mini Sound Level Meter with Temperature
Product Code : DA-VAW-11279
Mini digital sound level meter covering 30 to 130 dB with 0.1 dB resolution, plus a temperature range of -20 to +70 °C.
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Bell in a Jar Experiment
Product Code : DA-VAW-11280
Acrylic bell jar on an aluminium pump plate with a stopcock and wire-suspended bell, showing sound fading as the air is pumped out.
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