Micro thu âm chuyên nghiệp LEWITT LCT 550

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Micro thu âm LEWITT LCT 550 là micro thu âm condenser với hiệu suất cao, không bị biến dạng và âm thanh tự nhiên ấm áp. Với tự tiếng ồn rất thấp và dải động rộng đảm bảo tái tạo âm thanh chi tiết trong bất kì thiết lập. Được thiết kế để sử dụng trong các buổi biểu diễn trực tiếp cũng như ghi âm studio chuyên nghiệp. The LCT 550 is the first and only large-diaphragm studio microphone ever to achieve 0 dB (A) self-noise*. That makes it possible to capture even extremely weak signals with great precision and detail.

The LCT 550 is the first and only large-diaphragm studio microphone ever to achieve 0 dB (A) self-noise*. That makes it possible to capture even extremely weak signals with great precision and detail.

The Austrian-developed LCT 550 sets new standards in terms of more than just self-noise. A dynamic range of 140 dB (A) guarantees the best-possible results even in challenging settings. The three pre-attenuation levels (0 dB, -6 dB and -12 dB) increase maximum SPL to as high as 155 dB (A). 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. For the elimination of structure-borne noise, there are two high-pass filters: 80Hz, 12dB/octave and 160Hz, 6dB/octave.

Manufacturing tolerances have been minimized thanks to highly precise calibration of the capsule and the electronics – which means that any two microphones from this series, set identically, will always form a matched pair at +/- 0 dB!

* 0dB-A electronics only, 3 dB (A) according to IEC 60268-1 due to Brownian motion (in simple terms: the sound caused by the movement of air molecules )

Features LEWITT LCT 550

A perfect match – highly precise calibration of capsule and electronics means that any two microphones from this series will always form a matched pair at +/- 0 dB
Precise transient response thanks to the 3-micron-thin, gold-layered, low-mass, 1-inch Mylar diaphragm
Extraordinary sensitive: capture even extremely weak signals with great precision and detail
Cardioid polar pattern for effective rear sound rejection
0 dB (A) self-noise from electronics and circuitry *
140 dB dynamic range Max. SPL of 155 dB (A)
Immune to electromagnetic interference thanks to transformerless preamplifier circuitry
Illuminated user interface for quick and easy handling in dark environments
Noiseless pushbuttons for attenuation and low-cut selection
Automatic Attenuation and Clipping History mode
Rugged zinc die-cast body
Internal shock mount for maximum reduction of structure borne noise
Corrosion-resistant gold-plated 3-pin XLR output connector

Top applications LEWITT LCT 550

Classical instruments and ensembles
Ambitious stereo recording techniques (XY, ORTF, AB, )
Vocals & background vocals
Acoustic instruments (strings, guitars, piano and similar)
Drum & percussion overhead

Tech data

Acoustical operating principle	pressure gradient transducer, externally polarized
Diaphragm	3 micron gold sputtered Mylar
Transducer Ø	25,4 mm / 1 inch
Polar pattern	cardioid
Frequency range	20 to 20.000 Hz
Sensitivity	36 mV / Pa (-29 dBV), +/- 0 dB @ 1 kHz
Signal / noise ratio	91 dB (A)
Equivalent noise level	0 dB (A) self-noise from electronics and circuitry 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
Pre-attenuation pad	6 dB, 12 dB, switchable
Low cut	12 dB / octave at 80 Hz
Rated impedance	< 150 ohms
Rated load impedance	> 1.000 ohms
Supply voltage	48 V +/- 4 V
Current consumption	5,5 mA
Enclosure	Zinc die cast
Connector	gold plated 3-pin XLR
Dimensions	158 x 52 x 36 mm / 6,22 x 2,04 x 1,42 inch
Net weight	425 g / 14,9 oz

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