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Lauten Audio 
1817 Houret Ct. 
Milpitas, CA 95035 
Phone: 877-721-7018 
Webpage: www.lautenaudio.com 
Email: [email protected] 

 
 
 

© 2004-2019 LAUTEN AUDIO ALL RIGHTS RESERVED

 

Summary of Contents for OCEANUS LT-381

Page 1: ...LAUTEN AUDIO 1 877 721 7018 LautenAudio com OCEANUS LT 381 Dual Tube FET Hybrid Extra Large Vocal Condenser OPERATING MANUAL ...

Page 2: ...0 to 120V set the voltage selector to 115V For 220 to 240V set the voltage selector to 230V NEVER SUPPLY POWER TO THE MICROPHONE OR POWER SUPPLY WITH THE COVER OFF SERIOUS INJURY CAN OCCUR WARNING Only authorized Lauten Audio technicians should perform disassembly and maintenance on any part of this microphone Disassembling and modifying any part of this microphone may void its warranty NEVER DISA...

Page 3: ...r microphone was designed and built with pride by Lauten Audio We are dedicated to providing recordists throughout the world with authentic high quality great sounding microphones Please enjoy your new microphone and know it was created with thoughtful engineering and a great deal of pride Sincerely Brian Loudenslager Founder ...

Page 4: ...of Contents Safety Contents Introduction Quick Start Guide Sequence of Operation Description Power Requirements Connections Recommended Uses Placement and Techniques Care and Cleaning Technical Specifications ...

Page 5: ...he LT 381 circuit topology is unique Utilizing a pentode tube wired as a triode with a carefully selected operation point as the input stage and a transformerless output stage it will exhibit increased clarity and transient response of the signal and reduced noise RFI and signal loss Adding a triode vacuum tube in place of a transformer eliminates the harshness often associated with transformless ...

Page 6: ...itch on the power supply is in the off position and then connect the power cord from the power supply to a power outlet 6 Place the power supply in a safe location where it will not be disturbed during the recording process 7 Connect the male end of the 7 Pin tube mic cable to the MIC IN of the power supply 8 Connect the female end of the 7 Pin tube mic cable to the bottom of the LT 381 microphone...

Page 7: ...ter is very detailed and revealing more so than other microphones on the market This microphone allows you to select 9 different polar patterns The 31 25mm diaphragms are made of an ultra thin plastic material with a layer of gold on one side The body has a unique construction to efficiently dissipate heat generated by the vacuum tubes and to help prevent RF interference allowing you to successful...

Page 8: ...e LT 381 power supply Failure to select the proper voltage is dangerous and will damage the microphone Voltage Selector Check to see if the proper voltage is selected on the back of the power supply If not using a Philips head screw driver carefully remove the plastic safety cover over the voltage switch and select your correct voltage Reattach the safety cover when complete Do not connect this mi...

Page 9: ...amplifier Connect the female end of the supplied 7 Pin XLR cable to the bottom of the microphone and the male end of the 7 Pin XLR cable to the MIC IN on the power supply Connect the female end of a 3 Pin XLR cable to the OUT on the power supply and the male end to your recording interface or preamplifier Male Outpu Female 1 2 3 2 1 3 To power supply OUT To recording interface 1 2 3 4 5 6 7 1 2 3 ...

Page 10: ...sed to mic various other sources including but not limited to those listed below We recommend the LT 381 for the following recording applications Sound Source Lead Solo Vocals Backing Vocals Choirs Speech Voice over Acoustic Guitar Room mic Overheads Piano Grand Upright Bass Drum Toms Snare Drum Electric Guitar Electric Bass Violin Cello Organ Trumpet Trombone French Horn Tuba Saxophone Flute Clar...

Page 11: ...one side of flutist and align mic with flutist s mouth Place a second mic aiming at the side of the instrument Use cardioid or omni polar pattern Clarinet Place one microphone 4 to 10 inches from lowest key and slightly to the side to reduce key noise Use cardioid polar pattern Saxophones Place the microphone 10 to 30 inches away aiming at the middle of the instrument Use cardioid polar pattern Tr...

Page 12: ...s Variable 9 step Omnidirectional to Cardioid to Figure 8 Circuit Vacuum tube pentode input and transformless triode vacuum tube output Frequency Range 20Hz 20KHz Dynamic Range 100dB minimum Impedance 200 ohms Max SPL 0 5 THD 1000Hz 120dB Self noise level 20dB A Sensitivity 16mV Pa OR 36 2dB 0dB 1V Pa 1000Hz Connector 7 Pin XLR 3 Pin standard XLR Power Requirement Custom power supply THERE ARE NO ...

Page 13: ...Frequency Response and Polar Pattern Plots Cardioid Omnidirectional Figure 8 ...

Page 14: ...Lauten Audio 1817 Houret Ct Milpitas CA 95035 Phone 877 721 7018 Webpage www lautenaudio com Email crm lautenaudio com 2004 2019 LAUTEN AUDIO ALL RIGHTS RESERVED ...

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