Version	Language	Size	Uploaded
Data Sheets
4890A Spec Sheet updated: Oct 2019			217 KB	Oct 2019
Tech Notes
Tech Note: Polarity Conventions updated: Oct 2019			55 KB	Oct 2019
Owner's Manuals
4890A Information updated: Oct 2020			48.1 KB	Oct 2020
Speaker Tunings
Array 4890, 4891 and 4892 Tunings updated: Oct 2020			12.9 KB	Oct 2020

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