Designed for professional instrument recordings
The LCT 140 Air features a small diaphragm condenser capsule we've designed for professional instrument recording. Use the Air and Flat sound characteristics to record the source the way you want. Pre-attenuation pad and low-cut filter complete the package. With its superior transient response, the LCT 140 Air provides high clarity for your recordings of guitar, drums, strings or other acoustic instruments. Its aluminum housing is robust and lightweight at the same time. The LCT 140 Air has a cardioid characteristic and just sounds fantastic.
Two sound characteristics. Switch between Air and Flat.
Air and Flat explained
Air delivers an open, sparkling character. A great choice if you need record ready sound right from the start. You can immediately use and share those recordings without spending any time on post-production.
Flat provides a linear frequency response for “as-it-is” reproduction of drums, strings, acoustic guitars, and choirs. It's a great choice if you aim for highly realistic sonic images.
Having both options at hand makes the LCT 140 Air a highly versatile recording tool.
Durable yet lightweight
The LCT 140 Air is very durable yet lightweight thanks to its CNC'ed aluminum housing. Positioning and setup become easy tasks.
Low-cut filter and pre-attenuation pad keep your recordings clean
The low-cut filter minimizes structure-borne noise and low-frequency rumble. Use the pre-attenuation pad, if you want to record high SPL instruments.
Features
- Condenser microphone with permanent polarization
- Acoustic principle: pressure gradient transducer
- Diaphragm: 3-micron gold-sputtered Mylar
- Capsule diameter: 17 mm
- Cardioid polar pattern
- Frequency range: 20 – 20,000 Hz
- Sensitivity: 14.6 mV/Pa (-36.7 dBV/Pa)
- Self-noise: 20 dB (A)
- Max SPL (0.5% THD): 135 dB
- Dynamic range: 115 dB (A)
- Attenuation pad: 0 dB / -12 dB
- Low-cut filter: linear / 80 Hz (12 dB/oct)
- Output impedance: 173 Ω
- Power supply: 48 V ± 4 V
- Current consumption: 7.2 mA
- Gold-plated 3-pin XLR connector
- Dimensions: 24 mm (diameter) × 140 mm
- Weight: 66 g
Audio samples recorded with the LCT 140 AIR microphone
Polar pattern chart


Reviews from international experts and press
"Anyone looking for a great, versatile small-diaphragm condenser mic should check out the LCT 140 AIR as a priority." — Music Tech, MusicRadar
"The natural sound works well for all manner of acoustic instruments." — MusicRadar, Sound & Recording
"The method used by LEWITT guarantees a level of precision that is rarely found even in higher price ranges." — Sound & Recording
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