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LEWITT’s LCT 840 is a premium-class externally polarized dual-diaphragm tube microphone designed to excel in a variety of demanding applications. Equipped with a precision-engineered 1-inch capsule, the LCT 840 stands for exceptionally warm and classic, solid vintage sound. Perfectly suited for miking vocals and instruments, this rugged multi-purpose microphone allows for highly nuanced and authentic sound reproduction in the studio and even on stage. Five switchable polar patterns – omni-directional, cardioid, figure-8, wide-cardioid and super-cardioid – make the LCT 840 a highly versatile tool for professional audio engineers and performers looking for true and authentic tube sound.
Like all LEWITT mics, the LCT 840 stands out for its extremely low self-noise of 9 dB and effective rejection of off-axis sounds. The microphone features three levels of attenuation and three switchable high-pass filters, LEDs and pushbuttons for noiseless handling on the power supply unit (PSU).
Apart from user-friendly operating controls and advanced technological features so essential to memorable recordings, the LCT 840 also makes an eye-catching design statement: The microphone is equipped with a plexiglass inspection window on the front side of the body, so the illuminated tube itself is fully exposed. The inside window surface is coated with a highly conductive, yet transparent film preventing electromagnetic interference.
In short: The unique combination of innovative design, high-end technology and tube-typical sound quality ensures magic takes.
Features and Applications
Features
Ultra-thin 1-inch externally biased, gold-layered low-mass diaphragms combined with a dual triode tube ensures accurate transient response while providing smooth, warm and airy tube soundFive consistent directional characteristics – cardioid, omnidirectional, figure-8, broad cardioid and supercardioid – offer maximum flexibilitySuperior dynamic range of 130 dB-A (Tube) and extremely low self-noise of 9 dB-A for ear-catching realism and distortion-free sonic depth3-position switchable pre-attenuation pad (0 dB, 10 dB, and 20 dB) for handling extremely high sound pressure levels and 3-position high-pass filterIlluminated user interface and jog dials for easy handling even in dark environmentsNoiseless pushbuttons for quick and easy attenuation and HPF selectionUnique features like clipping history and automatic attenuation provide error-free studio recording and unparalleled ease of useSolid die-cast metal body with a stylish, oversized tube inspection window specially coated for maximum protection against electromagnetic interferenceCustom PSU 840 power supply unit with sturdy full-metal housing and brushed, anodized black aluminum frontExtra-large hexagonal ruthenium-galvanized steel mesh grille provides an open acoustic environment and prevents unwanted internal reflectionsCorrosion-resistant gold-plated 3-pin XLR output connectorComes in a black case; includes PSU 840 power supply unit, LCT 40 SHxx shock mount, LCT 40 Tr audio cable with gold-plated 11-pin XLR connectors and LCT 40 Wxx windscreen
Top applications
Lead and background vocals Acoustic instruments // piano, guitar, drums, percussion, strings... Wind instruments // brass and woodwinds... Demanding studio applications
Tech Data
Acoustical operating principle pressure gradient transducer,
externally polarized
Transducer O 25,4 mm
1 inch
Directional pattern omni
broad-cardioid
cardioid
super-cardioid
figure-8
selectable on remote control
Frequency range 20 ... 20.000 Hz
Sensitivity 23 mV / Pa (-33 dBV), cardioid
20 mV / Pa (-34 dBV), omni
23 mV / Pa (-33 dBV), figure-8
Signal / noise ratio 85 dB-A
Equivalent noise level (IEC 61672-1) 9 dB-A, cardioid
10 dB-A, omni (IEC 61672-1)
9 dB-A, figure-8 (IEC 61672-1)
Dynamic range of mic. Amp. 130 dB-A
Max. SPL for 0,5 % THD 139 dB, 0 dB Pre-attenuation
149 dB, 10 dB Pre-attenuation
159 dB, 20 dB Pre-attenuation
Pre-attenuation pad 10 dB
20 dB
selectable on remote control
Bass cut filter slope 12 dB / octave at 40 Hz
6 dB / octave at 300 Hz
Rated impedance < 200 ohms
Rated load impedance > 1.000 ohms
Supply voltage custom power supply unit
230 V, 50 Hz
110 V, 60 Hz
Current consumption 170 mA
Connector gold plated 11-pin XLR
Cable 8 m (26 ft)
11-pin audio cable
oxygen-free copper
Dimensions (Mic) 192 x 60 x 46 mm
7,5 x 2,4 x 1,8 inch
Dimensions (PSU) 250 x 150 x 70 mm
9,8 x 5,9 x 2,8 inch
Net weight (Mic) 662 g
23,3 oz
Net weight (PSU) 1894 g
66,8 oz
Like all LEWITT mics, the LCT 840 stands out for its extremely low self-noise of 9 dB and effective rejection of off-axis sounds. The microphone features three levels of attenuation and three switchable high-pass filters, LEDs and pushbuttons for noiseless handling on the power supply unit (PSU).
Apart from user-friendly operating controls and advanced technological features so essential to memorable recordings, the LCT 840 also makes an eye-catching design statement: The microphone is equipped with a plexiglass inspection window on the front side of the body, so the illuminated tube itself is fully exposed. The inside window surface is coated with a highly conductive, yet transparent film preventing electromagnetic interference.
In short: The unique combination of innovative design, high-end technology and tube-typical sound quality ensures magic takes.
Features and Applications
Features
Ultra-thin 1-inch externally biased, gold-layered low-mass diaphragms combined with a dual triode tube ensures accurate transient response while providing smooth, warm and airy tube soundFive consistent directional characteristics – cardioid, omnidirectional, figure-8, broad cardioid and supercardioid – offer maximum flexibilitySuperior dynamic range of 130 dB-A (Tube) and extremely low self-noise of 9 dB-A for ear-catching realism and distortion-free sonic depth3-position switchable pre-attenuation pad (0 dB, 10 dB, and 20 dB) for handling extremely high sound pressure levels and 3-position high-pass filterIlluminated user interface and jog dials for easy handling even in dark environmentsNoiseless pushbuttons for quick and easy attenuation and HPF selectionUnique features like clipping history and automatic attenuation provide error-free studio recording and unparalleled ease of useSolid die-cast metal body with a stylish, oversized tube inspection window specially coated for maximum protection against electromagnetic interferenceCustom PSU 840 power supply unit with sturdy full-metal housing and brushed, anodized black aluminum frontExtra-large hexagonal ruthenium-galvanized steel mesh grille provides an open acoustic environment and prevents unwanted internal reflectionsCorrosion-resistant gold-plated 3-pin XLR output connectorComes in a black case; includes PSU 840 power supply unit, LCT 40 SHxx shock mount, LCT 40 Tr audio cable with gold-plated 11-pin XLR connectors and LCT 40 Wxx windscreen
Top applications
Lead and background vocals Acoustic instruments // piano, guitar, drums, percussion, strings... Wind instruments // brass and woodwinds... Demanding studio applications
Tech Data
Acoustical operating principle pressure gradient transducer,
externally polarized
Transducer O 25,4 mm
1 inch
Directional pattern omni
broad-cardioid
cardioid
super-cardioid
figure-8
selectable on remote control
Frequency range 20 ... 20.000 Hz
Sensitivity 23 mV / Pa (-33 dBV), cardioid
20 mV / Pa (-34 dBV), omni
23 mV / Pa (-33 dBV), figure-8
Signal / noise ratio 85 dB-A
Equivalent noise level (IEC 61672-1) 9 dB-A, cardioid
10 dB-A, omni (IEC 61672-1)
9 dB-A, figure-8 (IEC 61672-1)
Dynamic range of mic. Amp. 130 dB-A
Max. SPL for 0,5 % THD 139 dB, 0 dB Pre-attenuation
149 dB, 10 dB Pre-attenuation
159 dB, 20 dB Pre-attenuation
Pre-attenuation pad 10 dB
20 dB
selectable on remote control
Bass cut filter slope 12 dB / octave at 40 Hz
6 dB / octave at 300 Hz
Rated impedance < 200 ohms
Rated load impedance > 1.000 ohms
Supply voltage custom power supply unit
230 V, 50 Hz
110 V, 60 Hz
Current consumption 170 mA
Connector gold plated 11-pin XLR
Cable 8 m (26 ft)
11-pin audio cable
oxygen-free copper
Dimensions (Mic) 192 x 60 x 46 mm
7,5 x 2,4 x 1,8 inch
Dimensions (PSU) 250 x 150 x 70 mm
9,8 x 5,9 x 2,8 inch
Net weight (Mic) 662 g
23,3 oz
Net weight (PSU) 1894 g
66,8 oz
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