Tuning forks on resonance boxes

Package dimensions (length*width*height), cm 22.0*15, 5*10.0. 

Weight, kg, no more than 0.8. 

Frequency of sound vibrations of tuning forks, Hz: about 440. 

Internal volume of resonating box, cm³. 

Complete set: wooden boxes - 2 pcs., magnets - 2 pieces, hammer – 1 piece, manual – 1 piece, instruction manual – 1 pc.

A tuning fork is a steel fork on a leg. 

The fork has a strictly defined length of the branches of a rectangular section. 

Magnets are attached to one of the legs of each tuning fork. 

Tuning tuning forks in unison is carried out by moving a magnet along the leg of one of the tuning forks. 

Resonating boxes of tuning forks have onean open wall and on the upper board – a sleeve for installing a tuning fork, and at the bottom – legs. 

Demonstration of the phenomenon of resonance of sound waves.

Net weight:680g

 Gross weight:950g

 Package dimension: 18x9x21cm