Alan H. Lubell invented the underwater loudspeaker in 1966 and was granted patent #3391385 on July 2, 1968.
Lubell underwater loudspeakers and systems are ideal for audio communications underwater including competitive, synchronized swimming and more!
Lubell Labs Inc.
712 S. Yearling Road Columbus, Ohio 43213 USA Tel: (614) 725-2701
About Us
Lubell underwater loudspeakers and systems are ideal for synchronized swimming practice or competition, competitive swimming, lap swimming, acoustic tomography, oceanography studies, research in underwater acoustics, acoustic soliton modeling, diver recall, sub-bottom profiling systems (SBP), SCUBA instruction, commercial and military diver recall and more!
Lubell underwater loudspeakers and systems are ideal for synchronized swimming practice, competitive swimming, diver recall, sub-bottom profiling systems (SBP), acoustic tomography, oceanography studies, research in underwater acoustics, acoustic soliton modeling, SCUBA instruction, commercial and military diver recall , cave exploration, marine biology, underwater music festivals, underwater movie production, NASA NBL and RKA Neutral Buoyancy Labs, music therapy, dive boats, dolphin and whale communication, and more!
A. H. Lubell Electromechanical Transducer
An electromechanical transducer having broad band audio response for use as an underwater loudspeaker. The transducer includes an open-ended hollow piston having an electromechanical driving element positioned longitudinally an in the interior of the piston with one end of the element rigidly supported and the other end being substantially unsupported and in contact with a compliance element on the inner end of the piston.
