Lewitt’s unique approach toward electronics and capsule design makes the microphone better than human hearing. With the LCT 540 S, a new benchmark was set in terms of capturing fine-grained details of your recording source. It allows you to record details of your voice and instruments that usually wouldn’t even be audible. Makes every detail count.
With its cutting-edge circuit and capsule design, the LCT 540 S features an impressive dynamic range of 132dB to capture everything from loud to subtle. You won’t hear the self-noise of the mic even after heavily compressing the signal. Material recorded with the LCT 540 S is fit for extreme processing.
The human hearing threshold is very frequency-dependent. It is less sensitive toward low and very high frequencies, and most sensitive around 2–5kHz. With Lewitt’s specific and unique approach toward circuit and capsule design, they were able to realize self-noise that’ll stay below the threshold of hearing across the entire frequency spectrum.
To measure the self-noise of the LCT 540 S, Lewitt built a unique device. It’s ten times more massive than conventional ones, weighing over 9,900 lb. in total. This amount of mass will dampen frequencies up to a 1/10,000th of their sound pressure. The frequency range from 20Hz to 20kHz is dampened by 60dB, up to 80dB on the higher frequencies.
Perfect Match Technology
Every single LCT 540 S undergoes a series of measurements followed by adjustment of the polarization voltage to achieve the same sensitivity in every LCT 540 S ever produced. This way, you can form a pair when you buy another one later on.
- Developed in close cooperation with world-renowned producers and audio engineers
- First and foremost designed to be an outstanding vocal microphone
- 1″ true condenser studio microphone
- Self-noise below the threshold of human hearing
- Ideal for extreme processing
- Low-cut filters and attenuation
- Cardioid polar pattern
- Condenser, externally polarized
Acoustical operating principle
- Pressure-gradient transducer, externally polarized
Transducer Ø
- 1″
Diaphragm
- 3 micron gold-sputtered Mylar
Polar pattern
- Cardioid
Frequency range
- 20Hz–20kHz
Sensitivity
- 41 mV/Pa, –28dBV/Pa
Self-noise
- 4dB (A)
Max. SPL for 0.5 % THD
- 136dB SPL, 0dB attenuation
Signal/noise ratio
- 90dB (A)
Dynamic range
- 132dB (A)
Attenuation
- 0dB
- –6dB
- –12dB
Low-cut filter
- Linear
- 80Hz (6dB/oct)
- 160Hz (6dB/oct)
Internal impedance
- 68 ohm
Supply voltage
- 48V ± 4V
Current consumption
- 3.6 mA
Microphone enclosure
- Zinc die-cast
Connector
- Gold-plated 3-pin XLR
Microphone dimensions
- 6.22″ x 2.04″ x 1.42″
Microphone net weight
- 13.1 oz.






























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