Safety/Contents/Introduction
Safety
Please make sure the equipment your microphone will be connected to meets or exceeds the
safety regulations in force in your country and is utilizing a ground lead.
Never disassemble any part of your microphone while power is being supplied to it.
Contents
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LT-381 Oceanus microphone
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Custom shock mount with stand adapter
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LT-381 power supply
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Premium 7-Pin tube microphone cable
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Premium flight case
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Wood box
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Operating manual
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Registration card
Introduction
The LT-381 features our newly designed 31.25mm large dual-diaphragm capsule, new-old-
stock scientific/military grade pentode tube input and transformerless triode tube output circuit.
The 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 mics and adds warmth and subtle character. The tubes are
housed in an isolated aluminum tube chamber to reduce RF and efficiently dissipate the heat
generated by them. The LT-381 also offers 9 selectable polar patterns between omnidirectional,
cardioid and Figure-8.
This microphone is designed to be a high-performance vocal microphone that produces
incredibly full and detailed recordings. It is an exquisitely crafted work-of-art, and a remarkable
fusion of form and function.
