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Lubell Portable U/W Speakers & Transformer Boxes

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The LL916C is an economical yet powerful piezoelectric underwater speaker developed, patented, and manufactured by Lubell Labs of Columbus Ohio. The LL916C continue to set the world record for having the widest frequency response and output level of any commercial underwater speaker made, at a price that is reasonable and affordable. Because of its rugged PVC construction and cage mounting system, the LL916C is nearly immune to damage, and may be used in test tanks, swimming pools, rivers, lakes, and oceans. The LL916C is provided with choiceof audio isolation transformer box with cord (see below), allowing phone jack connection to popular commercial sound amplifiers of various power & impedance ratings.

  • Type: Piezoelectric drive dual piston
  • Frequency Response: 200Hz - 21kHz
  • Outlet Level: 180dB/uPa/m @ 1kHz
  • Maximum Cable Voltage/Current: 20 Vrms / 3A (100% duty cycle)
  • Operating Depth: 6' recommended, 50' maximum
  • Finish: Blue PVC
  • Cable: 25' 18/3 PVC jacketed
  • Cable Termination: 3-pin proprietary (Conxall 3182-3PG-524) mates with transformer box
  • Weight: 15 lbs in air, 3 lbs in water
  • Size: 9.0" diameter x 6.0" axial length (transducer); 10.750"x10.750"x7.750" (cage)
  • For use only with the following transformer boxes : AC102 (50 watt 32 ohm 40 Vrms); AC202 (50 watt 8 ohm 20 Vrms) ; AC203E (80 watts 8 ohms 25 Vrms; w/8 ohm air output & attenuator) ; AC205C ( 38 watt 16 ohm 25 Vrms ); AC211 ( 200 watts 10.7 ohm 40 Vrms; w/8 ohm air output & attenuator ). Includes 2' speaker cord for connection to 0.250" phone jack output on accessory amplifier.
  • Limited 5 Year Warranty

The LL9816 is an economical yet powerful piezoelectric underwater speaker developed, patented, and manufactured by Lubell Labs of Columbus Ohio. The LL9816 continue to set the world record for having the widest frequency response and highest output level of any commercial underwater speaker made, at a price that is reasonable and affordable. Because of its rugged construction and epoxy finish, the LL9816 may be used in test tanks, swimming pools, rivers, lakes, and oceans. The LL9816 is provided with choice of audio isolation transformer box with cord (see below), allowing phone jack connection to popular commercial sound amplifiers of various power & impedance ratings.

  • Type: Piezoelectric drive dual piston
  • Frequency Response: 200Hz - 20kHz
  • Outlet Level: 180dB/uPa/m @ 1kHz
  • Maximum Cable Voltage/Current: 20 Vrms 3A (100% duty cycle)
  • Operating Depth: 6' recommended, 50' maximum
  • Finish: 10-mil ASA61 gray epoxy over MIL-C-5541 Class 1-A substrate
  • Cable: 25' 18/3 PVC jacketed
  • Cable Termination: 3-pin proprietary (Conxall 3182-3PG-524) mates with transformer box
  • Weight: 12 lbs in air, 2 lbs in water
  • Size: 9.0" diameter x 6.0" axial length
  • For use only with the following transformer boxes : AC102 (50 watt 32 ohm 40 Vrms); AC202 (50 watt 8 ohm 20 Vrms) ; AC203E (80 watts 8 ohms 25 Vrms; w/8 ohm air output & attenuator) ; AC205C ( 38 watt 16 ohm 25 Vrms ); AC211 ( 200 watts 10.7 ohm 40 Vrms; w/8 ohm air output & attenuator ). Includes 2' speaker cord for connection to 0.250" phone jack output on accessory amplifier.
  • Limited 3 Year Warranty

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