Sound & Resonance

Double-layered Resonance Apparatus

C15-8256-W0

【Product Description】

Air column resonance apparatus consists of two compact vertical plastic resonance tubes and sound source mini speaker.

【Overall Advantages to Users】

The resonance tube has only half the length (480mm) of common ones (900~1000mm).
Achieved compactness of the whole apparatus owing to the double-layered structure of the resonance tubes. The outer tube with scale works as a cylindrical water tank and the inner one works as a movable air column.
The length of the air column is adjustable by raising or lowering the inner tube, which is easier than changing the length of the water column with a movable water reservoir.

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【To all users】

The whole unit is completed with two plastic tubes that ensure the user safety compared with common tubes made of glass, especially in when damaged.
The mini and type speaker that comes with the product can be used as a sound source besides tuning fork. Combination of the speaker with Narika’s “Handy Low-frequency Wave Oscillator” (A05-7631-W0) is especially recommended.
Some smartphone apps can also be used as convenient sound source.

【To teachers】

Suitable for students’ experiments in groups because the whole unit is made of plastic that is safer than common units made of glass.
Storage is easy and hassle free because the resonance tube is made of plastic, has only half the length of conventional ones and does not come with movable water reservoir.
Experiments can be carried at a volume that corresponds or is even louder than the level necessary for school laboratory because the speaker’s output can be controlled, unlike tuning forks that has limitation in sound intensity.

【To students】

Safe and secure for students because of the simplicity in operation when changing the length of the air column just by raising and lowering the inner tube alone.