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Product Description
Lewitt LCT 550
0dB-A Self Noise, FET Sound Condenser Microphone
Lewitt's LCT 550 is the beginning of something new, as the only large-diaphragm studio microphone ever to achieve a 0dB (A) self-noise*, making it possible to capture even the weakest of sound signals with greater precision and detail than ever before.
Developed in Austria (as all Lewitt mics are), the LCT 550 has set a new standard in more than just it's low self-noise. With a dynamic range of 140dB (A) guaranteeing the greatest results in the most demanding scenarios. With it's three pre-attenuation levels at 0dB, -6dB and -12dB, the maxiumum SPL is increased to an ear-splitting 155dB and if that isn't enough headroom, the LCT 550 also features clipping history and an auto-attentuation mode that automatically switches (noiselessly) to a higher level of attenuation if the signal is overbearing. For the control of structure-borne noises, the LCT 550 has two high-pass filters at 80Hz at 12dB/octave and 160Hz at 6dB/octave.
The need for factory matched microphones for stereo applications such as drum overheads has now been diminished thanks to the highly precise calibration of the capsule and electronics, meaning that any two LCT 550's are set identically and will always form a matched pair at +/- 0dB.
* 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
- 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
- Classical instruments and ensembles
- Ambitious stereo recording techniques (XY, ORTF, AB, ...)
- Vocals & background vocals
- Acoustic instruments (strings, guitars, piano and similar)
- Drum & percussion overhead
Technical 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
- 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
- Net weight - 425 grams
Crossfader are Authorised Australian Lewitt Audio Dealers.