AHRI 250 (SI): Performance and Calibration of Reference Sound Sources
Standard Scope
This standard applies to all reference sound sources used in conjunction with AHRI sound rating standards and covers the one-third octave band frequency range from 50 to 10,000 Hz. This standard includes calibration over a limited frequency range 100 to 10,000 Hz.
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ANSI/AHRI 250-2022 (SI): Performance and Calibration of Reference Sound Sources
ANSI/AHRI 250-2013 (SI) Performance and Calibration of Reference Sound Sources (with Addendum 1)
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