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LCT 540 Introduction Thank you that you have opted for a LEWITT product. In this operating manual you will learn more about your LEWITT microphone, its handling and its proper usage. With the LCT Authentica Series, LEWITT introduces a new generation of highly versatile wired condenser microphones that all aim for setting new benchmarks of technology, sound quality and user-friendliness in both professional studio recording and onstage use.
LCT 540 The product The LCT 540 Authentica exhibits a combination of qualities that will undoubtedly make it a studio favorite among audio engineers and professional musicians. Designed to complement modern recording techniques and meet the expectations of ever-demanding sound professionals, this versatile large-diaphragm condenser microphone offers outstanding performance in miking lead vocals, drums and percussion instruments, brass and woodwinds, classical music ensembles.
LCT 540 Features / Top applications Features Top applications ·1-inch dual-system externally biased capsule with an active front and ultra-thin, gold-layered low-mass diaphragm for superior transient response ·Tailored frequency response for rich and authentic sound onstage or in the studio ·Cardioid polar pattern for effective isolation of the main sound source ·Extremely low self-noise of 8 dB and max SPL of 143 dB for an impressive total dynamic range of 135 dB providing a maximum of acoustic presenc
LCT 540 Using the mic User-interface ① Status indicator ② Key lock push button ③ Attenuation indications ④ Noiseless attenuation push button ⑤ High-pass filter indications ⑥ Noiseless high-pass filter push button Status indicator ① ·The microphone is in normal working mode if the status indicator is illuminated in white. ·The microphone is in key-lock mode if the status indicator is not illuminated. ·The microphone experiences clipping due to high SPL if the status indicator flashes in red.
LCT 540 Using the mic High-pass filter indications ⑤ ·The currently active high-pass setting is illuminated. Setting a high-pass filter ·High-pass filters can be set by briefly pressing the noiseless high-pass filter push button ⑥. Settings are: Off, 12 dB / octave at 40 Hz and 6 dB / octave at 300 Hz. High-pass filters eliminate unwanted low frequency noise such as structure borne noise.
LCT 540 Using the mic Clipping history Checking the clipping history lets you know if the microphone had experienced clipping in the past. The microphone displays the clipping history after constantly pressing the high-pass push button ⑥ for more than 2 seconds. When in clipping history mode the status indicator ① flashes red and white in an alternating sequence the high-pass indications ⑤ are not illuminated.
LCT 540 Tech data 3 dB / unit 52 Dimensions 158 Tech graph dB ref.
LCT 540 Tech data Tech data ·Acoustical operating principle: ·Transducer Ø: ·Directional pattern: ·Frequency range: ·Sensitivity: ·Signal / noise ratio: ·Equivalent noise level: ·Dynamic range of mic. amp.: ·Max. SPL for 0,5 % THD: pressure gradient transducer, externally polarized 25,4 mm 1 inch cardioid 20 ... 20.
LCT 540 Accessories Accessories LCT 40 Wx DTP 40 Lb LCT 40 SHx AIu-case 10
LCT 540 Cautions Cautions ·The capsule is a sensitive, high precision component. Make sure you do not drop it from high heights and avoid strong mechanical stress and force. ·To ensure high sensitivity and best sound reproduction of the microphone, avoid exposing it to moisture, dust or extreme temperatures. ·Keep this product out of the reach of children. ·Do not use force on the switch or cable of the microphone. ·When disconnecting the microphone cable, grasp the connector and do not pull the cable.
LCT 540 Warranty Warranty All products manufactured by LEWITT GmbH feature a limited two-year warranty. This two-year warranty is specific to the date of purchase as shown on your purchase receipt. LEWITT GmbH shall satisfy the warranty obligations by remedying any material or manufacturing faults free of charge at LEWITT’s discretion either by repair or by exchanging individual parts or the entire appliance.
LCT 540 Regulatory information LEWITT GmbH declares under its sole responsibility that LCT 540 complies with the European directive 2004/108/EC. The product has been tested according to harmonized European standards: EN 55013:2001+A1:2003+A2:2006 EN 55020:2007 EN 61000-3-2:2006 EN 61000-3-3:1995+A1:2001+A2:2005 Product testing was carried out by TIMCO Engineering Inc., notified body number 1177. WEEE note: Electronic waste has to be collected separately.
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