Sonar Equipment Services (SES) of Great Yarmouth, UK, has added the new Applied Acoustics', UK, CSP-N seismic power supply to its equipment pool. The 1200-joule reverse polarity unit selected by SES will operate a variety of Applied Acoustics' sound sources including the triple boomer plate S-Boom system, single plate boomers and the new long-life Dura-Spark 240.
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