Aco Pacific model 521 specifications: Difference between revisions
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Created page with "File:|thumb| ==Description== The ACO Pacific Model 521 is a Sound Level Calibrator. *Specifications and Accessories: 1000 Hz +/- 1%. Distortion Less than 2% THD" |
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Revision as of 12:47, 11 December 2023
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Description
The ACO Pacific Model 521 is a Sound Level Calibrator.
- Specifications and Accessories: 1000 Hz +/- 1%. Distortion Less than 2% THD