In the length variable (telescopic) cardboard tube with scale. With lid to close the tube. In conjunction with a loudspeaker (e.g., 587 09 , 587 08 ), resonance phenomena can be made acoustically audible. The resonance frequency can be varied by varying the length of the tube. The included lid allows the tube to be unilaterally closed to demonstrate the difference of a pipe whistle to an open one.
Caractéristiques techniques :
Outer tube: Length: 1 m Internal diameter: 151 mm
Inner tube: Length: 0.8 m Internal diameter: 145 mm
Caractéristiques techniques :
Outer tube: Length: 1 m Internal diameter: 151 mm
Inner tube: Length: 0.8 m Internal diameter: 145 mm
Poids: 3.5 Kg Delai de livraison estimé : 12 semaines