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Podvodni zvučnik Lubell labs Labs za sinkro plivanje.
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US patent
Lubell underwater speakers are incompatible with MiPro sound systems!
Transducer Type: Piezoelectric Pistonic Underwater Acoustic Transducer
Construction: 150 mil PVC injection molded over die-cast AL pistons, with redundant silicone and TPV seals
For use in: Pool water, freshwater, saltwater
Frequency Response: 200Hz - 23kHz (500Hz-21,000Hz +/-10dB)
Maximum Output Level: 180dB/uPa/m @ 1kHz
Maximum Cable Voltage/Current: 20 Vrms / 3A (100% duty cycle)
Recommended Amplifier Power: 78 watts @ 8 ohms (25 Vrms) max
Operating Depth Range: 1 meter - 18 meters
Operating temperature: 0°C - 41°C (32°F - 105°F)
Standard Cable: 7.62 meter (25') 0,785 mm2 (18/3) AWG PVC terminated with 3-pin Conxall 3182-3PG-524 (pin 3 hot). Other stock lengths available including 50' / 15.24m, 100' / 30.48m, 150' / 45.72m, and 200' / 60.96m.
Weight (in air): LL916H - 5.4 kg (12.0 lbs); LL916C - 8.0 kg (17.6 lbs) with standard 25' (7.62m) cable
Dimensions: LL916H - 233.68 mm (9.2") diameter x 147.32 mm (5.8") axial length; LL916C - 279.4 mm x 279.4 mm x 198.12 mm (11"x11"x7.8") HWD
Documents and Data: Instructions, brochure, SPL plot, TVR on/off axis plot, Polar plot, Impedance plot, Receive sensitivity plot, CE Certification, RoHS Declaration, C3 cage details, connector replacement, warranty
Warranty: LL916H harness mounted underwater speaker: 2 year Limited; LL916C cage mounted underwater speaker: 5 year limited;  AC series transformer boxes: 2 year limited