INSTRUCTION BOOK
FOR LUBELL SKU#9481
LL916 BASIC SYSTEM
LUBELL LABS INC.
21 NORTH STANWOOD ROAD
COLUMBUS, OHIO 43209 U.S.A.
(614) 235-6740
Page 1: ...INSTRUCTION BOOK FOR LUBELL SKU 9481 LL916 BASIC SYSTEM LUBELL LABS INC 21 NORTH STANWOOD ROAD COLUMBUS OHIO 43209 U S A 614 235 6740 ...
Page 2: ...IC PAGE TABLE OF CONTENTS 1 SYSTEM THEORY DESCRIPTION 2 SPECIFICATIONS LL916C3 UW SPEAKER 3 SPECIFICATIONS AC203 4 CIRCUIT MASTER 3 OPERATION AND MAINTENANCE 4 5 SYSTEM APPLICATION 6 OBTAINING SERVICE 7 LIMITED WARRANTY 7 1 ...
Page 3: ... to force variations using the piezoelectric effect The force variations move the two pistons in unison against the reaction of radiation resistance and mass Because of the high impedance of aqueous media small excursions of the pistons produce acoustic waves of considerable strength The speaker is clad in a rugged 30 mil blue PVC coating with redundant seals and is EPDM shock mounted in a PVC coa...
Page 4: ...t Weight 14 0 lbs Shipping Weight 17 0 lbs SPECIFICATIONS AC203 4A Frequency Range 100Hz 20kHz Impedance minimum 4 ohms with UW 8 ohm air speaker connected Maximum Input Voltage 20V rms 50 watts rms Recommended Amplifier Peavey MP400M 50W 8 ohm 80W 4 ohm 20V rms Peavey UMA752 75W 4 ohm tap only 17 32V rms Connectors Input 0 250 male phone plug on 18 pigtail U W Output 3 pin Conxall 4182 3SG 300 LL...
Page 5: ...16 ga speaker cord 25 100 Allow sufficient slack in this cable route neatly around speaker stand and base and cover with a cord protector or rubber mat to prevent trips and damage 3 Attach a 3 16 rope of sufficient length to the Lubell LL916C3 underwater speaker cage Lower the UW speaker to a 6 depth in the corner of the deep end Tether in position or place on bottom Be extremely careful to keep t...
Page 6: ... Meter 33 2050 39 99 from your table to observe and maintain a consistent sound level reading in the room When playing tapes of varying level and quality during the meet listen carefully to what you hear from the air speaker and use the Peavey MP400M amplifier s CHANNEL 1 LEVEL control and LOW HIGH equalizer controls sparingly to maintain a consistent sound level and tonal quality Always return eq...
Page 7: ...ive swimming False start signal competitive swimming Recall of scuba divers to excursion boat or habitat Paging of scuba divers swimmers at popular resorts NASA training facilities Military and scientific research Interrogation of suspicious or illegal divers by Coast guard Making underwater movies Coordinating underwater work parties Coordinating underwater explorations Coordinating underwater tr...
Page 8: ... Marantz and TEAC manuals for warranty information and return items to appropriate manufacturer for service During this warranty period the obligation of Lubell Labs is limited to repairing or replacing as Lubell Labs may elect any part or parts of such product which after examination by Lubell Labs discloses to be defective in material and or workmanship Lubell Labs will provide warranty for any ...
