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Accession Number:
AD1155983
Title:
Test of Racon Midget Marine Amplifier Reproducer
Report Date:
1938-09-02
Abstract:
The unit was inspected for general construction, wiring, and workmanship. It was tested to determine the following: (a) Electrical power delivered to the reproducer unit with an a-c input of 1 volt. (b) The frequency characteristic of the acoustical output between 350-3500 c.p.s. with a constant input voltage. (c) Whether the unit is capable of continuous and satisfactory operation for a period of 24 hours. (d) The effect of excessive vibration. (e) The effect of atmospheric humidity. (f) The effect of extreme ambient temperatures. (g) The effect of shock.
Document Type:
Conference:
Journal:
Pages:
20
File Size:
4.21MB
Contracts:
Grants:
Distribution Statement:
Approved For Public Release
