Lewitt

LCT 640

Reference class recording microphone


LEWITT's LCT 640 is designed to raise the bar in its class of reference-quality large-diaphragm condenser microphones. This Austrian-designed and engineered pro-mic delivers a smooth, unsurpassably rich and exceptionally nuanced sound, and exhibits a remarkable set of qualities that enthuses even the most discerning users. The LCT 640 excels in a variety of demanding studio applications and stands for unrivalled performance in miking lead and background vocals, drums, percussion instruments, grand pianos, brass and woodwinds, classical music ensembles. In addition to the standard omni-directional, cardioid and figure-8 polar patterns, the LCT 640 offers a wide-cardioid and super-cardioid characteristic. It offers a dynamic range of 135 dB and stands out for its extremely low self-noise of 10 dB. In combination with a 3-level low-cut filter and 3-level switchable pre-attenuation, the LCT 640 provides maximum versatility in all recording situations. Automatic attenuation, key-lock, clipping history, push buttons and a light-up user interface round off the features of this outstanding microphone.

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Specifications


Key features

1-inch dual system capsule with low mass diaphragms
Five directional characteristics – cardioid, omni-directional, figure-8, broad-cardioid and super-cardioid – offer maximum flexibility
Dynamic range of 135 dB
Extremely low self-noise level of 10 dB
Key-lock, clipping history and automatic attenuation
Noiseless push buttons for attenuation and HPF selection
Immune to electromagnetic interference thanks to transformerless output stage
Extra-large hexagonal steel-mesh grille with ruthenium-galvanized finish (black)
Illuminated user interface for quick visual checking of settings
Rugged construction for durable performance
Gold-plated 3-pin XLR output connector
Comes in an elegant black aluminium case with foam layers; includes LCT 40 SHx shock mount, LCT 40 Wx windshield and DTP 40 Lb leather bag
Top applications - Studio applications , Live sound, Lead and background vocals, Percussions, drums, grand pianos, brass and woodwinds , classical music ensembles

Specifications

Acoustical operating principle pressure gradient transducer, externally polarized
Transducer Ø 25,4 mm
Directional pattern omni, broad-cardioid, cardioid, super-cardioid, figure-8
Frequency range 20 ... 20.000 Hz
Sensitivity 13 mV / Pa (-38 dBV), cardioid 10 mV / Pa (-40 dBV), omni 9 mV / Pa (-41 dBV), figure-8
Signal / noise ratio 84 dB-A
Equivalent noise level 10 dB-A, cardioid (IEC 61672-1) / 12 dB-A, omni (IEC 61672-1) / 13 dB-A, figure-8 (IEC 61672-1)
Dynamic range of mic. amp. 135 dB-A
Max. SPL for 0,5 % THD 145 dB, 0 dB pre-attenuation / 151 dB, 6 dB pre-attenuation / 157 dB, 12 dB pre-attenuation / 163 dB, 18 dB pre-attenuation
Pre-attenuation pad 6 dB, 12 dB, 18 dB, switchable
Bass cut filter slope 12 dB / octave at 40 Hz, 6 dB / octave at 150 Hz, 6 dB / octave at 300 Hz
Rated impedance <150 ohms
Rated load impedance >1.000 ohms
Supply voltage 48 V +/- 4 V (IEC 61938)
Current consumption 5,5 mA (IEC 61938)
Connector gold plated 3-pin XLR
Dimension 158 x 52 x 36 mm ( 6,22 x 2,04 x 1,42 inch )
Net weight 430 g ( 15,2 oz )

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