Vibration generator

A vibration generator for producing mechanical vibrations in combination with a function generator. A horizontally mounted loudspeaker sits in a closed, clear acrylic housing where it stays protected but visible; a central metal axis with a 4 mm hole holds a range of attachments and can be adjusted mechanically to change them safely. It has two 4 mm safety jacks, a holder for a 4 mm-plug cord, and a spare fuse. Max. input 6 V AC / 1 A, fuse F 1 A; D approx. 90 mm, H approx. 80 mm (+ axis approx. 20 mm).