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Title: Lecture Hall Acoustics
PIRA: 3C 40.10

Demonstrates: Nodes.
Description: Two speakers emit a continuous tone. Students walk around until they find a node.

Instructions: Separate speakers by at least 25 feet. Tone should be a low frequency for best results.

Items Used:

Notes: Math Description: None.

Size: 12" h x 25-30' w. Condition: Good. Hazard: None.
Schematic: 3C 40.10 Tech Specs: None. Web Links:
History:

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