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Random Noise Generator Type 1390-B (1)
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Date of production: ca. 1965
This picture shows the Random Noise Generator Type 1390-B produced by the General Radio Company in West Concord, MA.
This photograph was taken by Nikita Braguinski at the Audio Communication Group, Technische Universität Berlin, in May 2018.
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From the series
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Areas of Study
Psychology and Psychoacoustics
Featured Topics
Measurement
Noise
Instruments and Technologies
Loudspeaker
Microphone
Synthesizer
Sites of Knowledge
Institutes and University Laboratories
Copyright information
Original from
Audio Communication Group, Technische Universität Berlin
Copyright attribution
CC-BY Users may share and adapt this material, even for commercial purposes. Appropriate credit must be given and an indication included if changes were made
Digitization by
Nikita Braguinski