For competitive synchronized swimming and competitive swimming, Lubell Labs offers the 500 watt (250 watt x 2) CAWSS APEX PRO system, which is not as portable, but is significantly louder. Lubell Labs founder, WWII veteran Alan Lubell (an MSEE formally with Hughes Aircraft), invented the pistonic piezoelectric underwater loudspeaker back in ...

The Lubell 9484 underwater speaker has become a standard feature and effective training aid in 25 yard high school and 50 meter Collegiate pools worldwide. Swimming coaches utilize the Lubell underwater loudspeaker to play upbeat music and metronome beats to their swimmers, improving their endurance while eliminating the tedium of seemingly ...

The University Sound UW30 underwater speaker is an economical moving-coil underwater speaker manufactured by Electrovoice, a division of Bosch Security and Safety Systems. The UW30 provides a remarkably uniform (+/- 4 dB) response between 80 Hz – 1300 Hz, with a TVR of 125 dB ref 1 µPa/V @ 1 m.

Lubell Portable 180dB 20V Professional U/W Speaker w/ cage - LL916C. Questions? Ask Our Experts. The LL916C is an economical yet powerful piezoelectric underwater speaker developed, patented, and manufactured by Lubell Labs of Columbus Ohio.

I. DESCRIPTION: The Lubell 9484 is a professional 37.5 watt 25V in-wall underwater speaker kit intended for contractor installation at 4' (1.22 m) to 6' (1.83 meter) depth during new concrete or gunite pool construction

6 天之前 · 便携式 Lubell Labs LL916C 和 LL916H 是由美国 Lubell Labs 开发和制造的高效全频活塞压电水下扬声器。 它们的设计提供了较好的输出电平和最宽的频率响应，使产品适用于实验室、测试、泳池等等。

The Lubell 9484 is a professional 37.5 watt in-wall underwater speaker kit intended for contractor installation at 4' to 6' depth (6' ideal) during new concrete or gunite pool constructions utilizing standard or saltwater

100 watt PA amplifier with 4 mic/line inputs and stereo CD/tape input. 19.5"W x 5.75"H x 9.5"D, 18 lbs

The Lubell Labs LL1424HP is a high-power piezoelectric Underwater Acoustic Transducer (UAT) designed for use in Underwater Acoustic Deterrent Systems (uADS), Diver Deterrent Systems (DDS), Acoustic Sub-Bottom Profiling (SBP) systems, and general military and …

The Lubell Labs Underwater Loudspeaker remains the most popular underwater speaker in the world since 1968, as it’s patented design is louder and clearer than competing designs and products. This unique design (U.S. Patent #3,391,385) utilizes a dual-piston PVC overmolded aluminum enclosure as the sound transducer, offering true pistonic ...