Accession Number:

AD0628488

Title:

THE SPAR HYDROPHONES,

Descriptive Note:

Corporate Author:

NAVAL ORDNANCE LAB WHITE OAK MD

Personal Author(s):

Report Date:

1965-12-29

Pagination or Media Count:

28.0

Abstract:

Twenty hydrophones were procured for the SPAR research platform to cover the range from 100 cps to 10 kc with a nominal ceramic sensitivity of -81 db re 1 voltmicrobar and a preamplifier gain of 21 db. The hydrophones are described in detail, along with calibration results for sensitivity, frequency response, directivity, relative phase, and self noise level. Author

Subject Categories:

  • Electrical and Electronic Equipment
  • Acoustics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE