7.51 pistonphone. Device having one or more rigid pistons which can be given a reciprocating motion at a nominal frequency and amplitude used to establish a nominal sound pressure in a closed cavity of small dimensions. The sound pressure level in the closed cavity may be established by a comparison calibration under specified environmental conditions.
« Back to Standards Terminolgy IndexRecent Posts
- Standards Spotlight Pt. 2: Enhancing Acoustics in Student Gymnasiums and Fitness Spaces
- Standards Spotlight Pt 1: Why ASA/ANSI S12.60-2019/Part 4 (R2024) is Essential for Physical Education Spaces
- Newly Reaffirmed ASA Standards
- Level3IR Joins ASA Standards: Advancing Infrared Consulting Excellence
- ASA Standards Publishes Newly Revised Standard: S12.61-2024
Recent Comments