0 dB (A) SELF NOISESHHH // LcT 550 - Lewitt
Contents
1. 5 Center pushbutton Pressing the center pushbutton for more than two seconds activates Status Indicator 1 not illuminated and deactivates Status Indicator 1 turns white the key lock 6 Right pushbutton Push to change attenuation settings Also activates Automatic Attenuation Automatic Attenuation Pressing the right push button for more than two seconds activates Status Indicator 1 turns red and deactivates Status Indicator 1 turns white Automatic Attenuation In this mode the microphone adjusts the attenuation setting automatically when clipping has occurred Tech Data Acoustical operating principle pressure gradient transducer externally polarized Transducer 25 4 mm 1 in Polar pattern cardioid Frequency range 20 20 000 Hz Sensitivity 36 mV Pa 29 dBV Signal noise ratio 91 dB A Equivalent noise level 0 dB A electronics only 3 dB A according to IEC 60268 1 due to Brownian Motion Dynamic range of FET Mic Amp 140 dB A Max SPL for 0 5 THD 143 dB 0 dB pre attenuation 149 dB 6 dB pre attenuation 155 dB 12 dB pre attenuation Pre attenuation pad 6 dB 12 dB switchable Bass cut filter slope 12 dB octave at 80 Hz 6 dB octave at 160 Hz Rated impedance lt 150 ohms Rated load impedance gt 1 000 ohms Supply voltage A8V 4V Current consumption 5 5 mA Connector gold plated 3 pin XLR Dimensions 1582. Manufacturing tolerances have been minimized thanks to highly precise calibration of the capsule and the electronics which means that any two LCT 550 set identically will always form a matched pair at 0 dB so it s about time to get another one for superb stereo recordings Features 0 dB A self noise from electronics and circuitry I A perfect match highly precise calibration of the capsule and the electronics means that any two microphones from this series will always form a matched pair at 0 dB Precise transient response due to the 1 inch ultra thin gold layered low mass diaphragm Extraordinary sensitive capture even extremely weak signals with great precision and detail Maximum SPL of 143 dB 155 dB with 12 dB pad for an impressive total dynamic range of 140 dB Immune to electromagnetic interference thanks to transformerless preamplifier circuitry 3 switchable pads 0dB 6dB 12dB for handling high sound pressure levels 2 switchable low cut filters 80Hz 12dB Oct 160Hz 6dB Oct Noiseless pushbuttons for attenuation and HPF selection Cardioid polar pattern for effective sound rejection lluminated user interface for quick and easy handling in dark environments Clipping history automatic attenuation and key lock make for error free recording and unparalleled ease of use I Gold plated 3 pin XLR output connector Top applications Classical i
3. USER MANUAL II LCT 550 SOUNDS LIKE LEWITT 0dB 6dB 12dB ee axe ELA i EI RREH 160Hz LCT 550 Gy G 80Hz ANOHdOUDIW YASNAGNOD OIGNLS LSALAINO S C THOM IHL ASION 3413S V gP O HHHS I index Saftey Guidelines ss och a maa E a EE NA Sea A mn EAS n Warranty 2 0 a ee SEP EMALE KEA AEA T A ee Regulatory Information Intro Thank you for choosing the LEWITT LCT 550 The LCT 550 is the first and only large diaphragm studio microphone ever to achieve O dB A self noise and thus the world s quietest But the Austrian developed LCT 550 sets new standards in terms of more than just self noise Its dynamic range of 140 dB A guarantees the best possible results even in challenging settings lts three pre attenuation levels 0 dB 6 dB and 12 dB increase maximum SPL to as high as 155 dB A but at the same time it s meant to be your tool of choice when it comes to recording the most fragile and quiet sound sources with great detail and dynamic range The LCT 550 also offers a clipping history as well as an auto attenuation mode that automatically switches to the next level of attenuation if the signal is too strong The LCT 550 is indeed a very versatile large diaphragm microphone and its excellent attributes stand out in a wide variety of applications Try it for capturing ambient sound percussion instruments ambitious vocal and choral tracks and even classical ensembles
4. e collected se parately Please bring this device to a local recycling center at the end of its life time Manufacturers signature A A VA Date 20th May 2014 DI Roman Perschon Place Vienna AUSTRIA CEO Lewitt GmbH Declaration of conformity can be downloaded at www lewitt audio com or obtained from info lewitt audio com 11
5. ither 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 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 Regulatory Information LEWITT GmbH declares under its sole responsibility that LCT 940 complies with the European directive 2004 108 EC and 2006 95 EC The product has been tested according to harmonized European standards EN 55022 2010 EN 55024 2010 EN 61000 3 2 2006 A2 2009 EN 61000 3 3 2008 EN 60950 1 2006 A11 2009 A1 2010 A12 2011 Product testing was carried out by SEM Test Com pliance Service Co Ltd notified body number SEM11124587 SEM11126875 LEWITT GmbH hereby declares under its sole respon sibility that LCT 940 has been tested and conforms to the following FCC and ANSI standards FCC Part 15B Section 15 205 15 107 and 15 109 ANSI C63 4 2009 Product testing was carried out by SEM Test Compli ance Service Co Ltd WEEE note Electronic waste has to b
6. nstruments and ensembles I Ambitious stereo recording techniques XY ORTF Lead and background vocals I Acoustic instruments strings guitars piano etc As a classic drum amp percussion overhead OdB A electronics only 3 dB A according to IEC 60268 1 due to Brownian motion in simple words the sound made by the movement of air molecules User Interface 1 Status Indicator Indicates different active settings such as key lock automatic attenuation clipping history see below for details 2 Low cut filter Use to reduce unwanted low frequency noise caused by wind footsteps structure borne noise or likewise The low cut filters at 80Hz or 160Hz affect the microphone input by 6 and 12dB per octave and can be set by pressing the left pushbutton 4 3 Pre Attenuation Use this pad function to prevent clipping when recording very loud sources Choose between 6 and 12 dB of attenuation Change settings with the right pushbutton 6 4 Left push button Push to change low cut settings It also activates the Clipping History Clipping History Pressing the left pushbutton for more than two seconds activates and deactivates the Clipping History If clipping occurred since you have checked previously the Status Indicator 1 blinks red the manually set level of pre attenuation blinks and the suggested attenuation setting is illuminated The history will be cleared after leaving the Clipping History
7. x 52 x 36 mm 6 22 x 2 04 x 1 42 in Net weight 425 g 14 9 oz I Saftey Guidelines 6 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 I 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 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 Please also refer to the owner s manual of the component to be connected to the microphone 10 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 e
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