LCT 540 - Lewitt
Contents
1. PLL LLL SLL Ss 772 222 ls ny o an ge LEUITT gt vv avv gm 2209 O A y y VU qua Y qua gy mY mY aan m NIU me HF KF KKK KF E aY o ey a VIP m am VU m mq2. 100 200 500 1k 2k 5k 10k 20k Tech data 52 AUTHENTICA LCT 540 158 08 LCT 540 Tech data Acoustical operating principle Transducer 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 20 000 Hz 16 mV Pa 36 dBV 86 dB A 8 dB A IEC 61672 1 135 dB A 143 dB 0 dB pre attenuation 153 dB 10 dB pre attenuation 163 dB 20 dB pre attenuation Pre attenuation pad Bass cut filter slope Rated impedance Rated load impedance Supply voltage Current consumption Connector Dimensions Net weight Tech data 10 dB 20 dB switchable 12 dB octave at 40 Hz 6 dB octave at 300 Hz 150 ohms gt 1 000 ohms 48 V 4 V IEC 61938 5 1 mA IEC 61938 gold plated 3 pin XLR 158x52x36 mm 6 22 x 2 04 x 1 42 inch 425g 14 9 oz 09 LCT 540 Accessories LCT40 Wx DTP 40 Lb NL TL _ H WE NN LCT 40 SHx Accessories Alu case LCT 540 Cautions A Cautions e 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 m
3. E pot ZHOb uly os 191 VO1 LNSHLAV www lewitt audio com EMPHASIZE THE GENUINE IN YOUR SOUND crs4o SOUNDS LIKE LEWITT 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 The microphones of the LCT Authentica Series stand for unaltered sound and innovative features Illuminated Settings Noiseless Push Buttons Automatic Attenuation with Clip Detection and History all ensure error free sonic perfection and peerless ease of use for today s demanding recording artists and engineers Day after day be it for live acts in home studios or in professional studio productions LEWITT wishes you a lot of fun and success with this product 02 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
4. he status indicator is illuminated in red e The microphone indicates the clipping history if the status indicator flashes red and white in an alternating sequence Attenuation indications 3 Setting an attenuation level e The currently active attenuation Attenuation levels can be set by briefly pressing the noiseless attenuation setting is illuminated push button 4 Settings are off 10 dB and 20 dB Attenuation is used in extremely high SPL environments in order to prevent clipping of the microphone mixer and other audio equipment 05 LCT 540 Using the mic High pass filter indications The currently active high pass setting is illuminated Setting a high pass filter e High pass filters can be set by briefly pressing the noiseless high pass filter push button 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 Key lock function The noiseless push buttons of the microphone can be locked and unlocked by constantly pressing the key lock push button for more than 2 seconds Automatic attenuation function The microphone will automatically adjust to the next higher attenuation level if it experiences clipping due to a high SPL The microphone enters and leaves the automatic attenuation mode by constantly pressing the attenuation push button for more than 2 seconds The microphone is set to automatic a
5. icrophone 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 Do not attempt to modify or fix it Contact qualified service personnel in case any service is needed Please do not disassemble or modify the microphone for any reasons as this will void users warranty The casing of the microphone can be cleaned easily using a wet cloth never use alcohol or another solvent for cleaning If necessary the foam wind stopper can be washed with soap water Please wait till it is dry before using it again Also please refer to the owner s manual of the component to be connected to the microphone 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 Any defective parts removed from a product during the course of a warranty claim shall become the property of LEWITT GmbH While under warranty period defective products may be returned to the authorized LEWITT dealer together with
6. in miking lead vocals drums and percussion instruments brass and woodwinds classical music ensembles The LCT 540 s cardioid 1 inch capsule enclosed by an extra large hexagonal grille captures elaborate exceptionally nuanced sonic details and optimizes isolation of the main sound source by rendering off axis sounds The LCT features three levels of attenuation and three switchable high pass filters two color LEDs as well as pushbuttons for noiseless handling A dynamic range of 135 dB and an extremely low self noise of 8 dB round off the features of this exceptional microphone 03 LCT 540 Features Top applications Features Top applications 1 inch dual system externally biased capsule with an active front and ultra thin Lead and background vocals gold layered low mass diaphragm for superior transient response Acoustic instruments piano Tailored frequency response for rich and authentic sound onstage or in the studio guitar drums percussion strings Cardioid polar pattern for effective isolation of the main sound source Overhead miking drums percussion Extremely low self noise of 8 dB and max SPL of 143 dB for an impressive total Ensembles choral or orchestral dynamic range of 135 dB providing a maximum of acoustic presence and clarity Room ambiance pick up guitar amplifier 3 position switchable pre attenuation pad 0 dB 10 dB and 20 dB for handling drums extremely high sound pressure leve
7. ls and 3 position high pass filter Wind instruments brass and woodwinds Illuminated user interface for quick and easy handling even in dark environments Demanding live and studio applications Noiseless pushbuttons for quick and easy attenuation and HPF selection Clipping history automatic attenuation and key lock provide error free recording and unparalleled ease of use Rugged all metal construction for reliable performance onstage and in the studio Extra large hexagonal ruthenium galvanized steel mesh grille provides an open acoustic environment and prevent unwanted internal reflections Immune to electromagnetic interference thanks to transformerless preamplifier circuitry Corrosion resistant gold plated 3 pin XLR output connector 04 Comes a black carrying case includes LCT 40 SHx shock mount LCT 40 Wx windshield and DTP 40 Lb artificial leather bag LCT 540 Using the mic User interface Status indicator 4 Noiseless attenuation push button 2 Key lock push button 5 High pass filter indications 3 Attenuation indications 6 Noiseless high pass filter push button Status indicator The microphone is in normal working mode if the status indicator is illuminated in white e 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 The microphone is in automatic attenuation mode if t
8. original proof of purchase To avoid any damages in transit please use the original packaging if available Please do not send your product to LEWITT GmbH directly as it will not be serviced Freight charges have to be covered by the owner of the product For further information please visit www lewitt audio com or check your warranty card LCT 540 Regulatory information C LEWITT GmbH declares under its sole responsibility that LCT 540 complies WEEE note Electronic waste has to be collected separately Please bring with the European directive 2004 108 EC The product has been tested this device to a local recycling center at the end of its life time 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 Manufacturers signature Product testing was carried out by TIMCO Engineering Inc notified body number 1177 LEWITT GmbH hereby declares under its sole responsibility that LCT 540 Date 18th November 2010 DI Roman Perschon has been tested and conforms to the following FCC and ANSI standards Place Vienna AUSTRIA CEO Lewitt GmbH FCC Part 15 2008 Section 15 109 ANSI C63 4 2003 Declaration of conformity can be downloaded at www lewitt audio com or Product testing was carried out by INTERTEK Testing Services Shenzhen Ltd obtained from info lewitt audio com Mooslackengasse 17 1190 Vienna AUSTRIA info lewitt audio com
9. ttenuation mode if the status indicator is illuminated in red Please note that the microphone will need around half a second to adjust to the new attenuation level 06 LCT 540 Using the mic Clipping history Checking the clipping historylets you know ifthe 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 flashes red and white in an alternating sequence the high pass indications are not illuminated Clipping history mode provides information and works according to the rules listed below The last manually set attenuation level is indicated by a constantly illuminated attenuation LED If clipping has occurred in the past the next higher attenuation LED will flash The clipping history information can only be accessed once Clipping information will be deleted after leaving this mode by constantly pressing the high pass push button for more than 2 seconds Clipping history information will be deleted once you access the automatic attenuation mode Clipping history information will not be deleted when unplugging the microphone 07 LCT 540 Tech graph 3dBlunit dBref 1V Pa 10dB lm 1 Dimensions 10dB 30 50
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