PIRA Classification: 3B55.40
Description: A function generator drives a speaker, which is mounted on a 'trombone' (consists of two tubes which join together at a horn). One tube of the trombone can slide. Change the distance the sound travels through one tube by raising and lowering the slide.
Special Instructions: The generator should be set to 3 kHz.
Condition: Ok
Setup time: 1 minute
Safety Issues: None