Hydrophones – beginner experiments

Today, I made a little trip to the beach. Earlier in the morning I had received two hydrophones in the post that I ordered from Jez riley French, and I was eager to try them out.

I’ve never owned or used hydrophones before, so this was all purely an experiment. I pretty much plugged the two of them into the pebbles, spaced approx a meter and a half apart, rolled back the cable towards the recorder, and hit record, whilst adjusting the levels. I clearly need some practice with all of this – these cables are 10 meters each and I was fiddling about quite a lot before I had them untied.

When I was finally ready to record, I noticed there was some sort of buzzing tone or interference in the signal which I couldn’t directly locate – and I didn’t feel like getting my shoes off again to go back into the cold British sea’s water and mess with the hydrophones to see if it had any effect. I decided to just let the recording roll.

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