Lewitt LCT 340 Manual de usuario
www.lewitt-audio.com
EMPHASIZE
THE
IN
YOUR
GENUINE
SOUND. LCT 340
LCT 340 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: llluminated 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 340 The product
LEWITT’s LCT 340 is a 0.8-inch externally polarized condenser microphone that excels at capturing
acoustic and percussion instruments, drums and vocals, and is perfectly suited for sophisticated live and
studio applications. Two interchangeable capsules allow for quick and easy switching of patterns,
ensuring greater flexibility without changing microphones.
The LCT 340 is equipped with four-position low-cut filter and pre-attenuation slide switches, dual-color
LED indicators and a convenient snap closure. It offers a dynamic range of 124 dB and stands out for its
extremely low self-noise of 15 dB. Last but not least, its transformerless output makes this ruggedly
designed pro-mic resistant to electrical interference and a first-class pick for true sound enthusiasts.
Cardioid Omni
(optional) 03
LCT 340 Features / Top applications
Features
·
·Flat frequency response for natural, authentic sound
·Interchangeable capsules for cardioid and omnidirectional pattern selection ensuring maximum flexibility and an undisturbed workflow
·Wide dynamic range of 124 dB and low self-noise level of 15 dB for ear-catching realism and distortion-free sonic depth
·4-position switchable pre-attenuation pad (0 dB, 6 dB, 12 dB and 18 dB) for handling extremely high sound pressure levels
and 4-position high-pass filter
·Illuminated user interface for quick and easy handling even in dark environments
·Rugged black die-cast full-metal body ensures long life
·Hexagonal ruthenium-galvanized steel mesh grille to prevent wear and abuse
·Immune to electromagnetic interference thanks to transformerless preamplifier circuitry
·Corrosion-resistant gold-plated 3-pin XLR output connector
·Comes in a cardboard box with foam layers; includes DTP 40 Mts shock mount, LCT 40 Ws windshield, DTP 40 Lb leather bag and an
optional omnidirectional true condenser transducer
0.8-inch small-diaphragm capsule with ultra-thin externally biased, gold-layered low mass diaphragm for ultra-precise and neutral
sound reproduction
Top applications
·Overhead miking // drums, percussion...
·Ensembles // choral or orchestral
·Acoustic instruments // piano, guitar, drums,
percussion, strings...
·Wind instruments // brass and woodwinds...
·Demanding live and studio applications
04
LCT 340 Using the mic
②
④
⑤
③
①
High-pass filter indications
·The currently active high-pass setting is illuminated.
Setting a high-pass filter
·High-pass filters can be set by adjusting the recessed slide
switch. Settings are: Off, 12 dB / octave at 40 Hz and 6 dB /
octave at 150 and 300 Hz. High-pass filters eliminate unwanted low
frequency noise such as structure borne noise.
Illumination push button
·By briefly pressing the recessed illumination push button the
illuminated indications can be turned on or off.
Attenuation indications
·The currently active attenuation setting
is illuminated.
Setting an attenuation level
·
Attenuation levels can be set by adjusting the
recessed slide switch. Settings are: off, -6 dB,
-12 dB and -18 dB. Attenuation is used in extremely
high SPL environments in order to prevent clipping of
the microphone, mixer and other audio equipment.
User-interface
② Recessed attenuation slide switch
③ Illuminated high-pass filter indications
④ Recessed high-pass filter slide switch
⑤ Recessed illumination push button
① Illuminated attenuation indications
05
LCT 340 Tech data
Tech graph
Cardioid
3 dB / unit
dB ref. 1 V / Pa
Omni
(optional)
3 dB / unit
dB ref. 1 V / Pa
Dimensions 160
24
06
LCT 340 Tech data
·Max. SPL for 0,5% THD:
·Bass cut filter slope:
·Rated impedance:
·Rated load impedance:
·Supply voltage:
·Current consumption:
·Connector:
·Dimensions:
·Net weight:
139 dB, 0 dB pre-attenuation
145 dB, 6 dB pre-attenuation
151 dB, 12 dB pre-attenuation
157 dB, 18 dB pre-attenuation
12 dB / octave at 40 Hz
6 dB / octave at 150 Hz
6 dB / octave at 300 Hz
< 150 ohms
> 1.000 ohms
48 V +/- 4 V (IEC 61938)
6,6 mA (IEC 61938)
gold plated 3-pin XLR
24 dia. x 160 mm
0,94 dia. x 6,3 inch
200 g
7,05 oz.
Tech data
·Acoustical operating principle:
·Transducer Ø:
·Directional pattern:
·Frequency range:
·Sensitivity:
·Signal / noise ratio:
·Equivalent noise level:
·Dynamic range of mic. amp. :
·Pre-attenuation pad:
pressure & pressure gradient
transducers, externally polarized
20,32 mm
0,8 inch
cardioid
omni
20 ... 20. 000 Hz
9 mV / Pa (-41 dBV), cardioid
8 mV / Pa (-42 dBV), omni
79 dB-A
15 dB-A, cardioid (IEC 61672-1)
16 dB-A, omni (IEC 61672-1)
124 dB-A
6 dB, 12 dB, 18 dB, switchable
07
LCT 340 Accessories
Accessories
LCT 40 Ws DTP 40 LbDTP 40 Mts 08
LCT 340 Cautions
Cautions
·
·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.
·Also please refer to the owner’s manual of the component to be connected to the microphone.
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.
09
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 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 340 Warranty
10
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