Lewitt LCT 840, Multi-Pattern Tube Microphone, Classic tube design, Tubes: 12AX7, Can be operated by both remote control and power supply, Directional characteristic: Omnidirectional, Wide Cardioid, Cardioid, Supercardioid, Figure-8, Frequency range: 20 - 20,000 Hz, Sensitivity: 23 mV/Pa, -33 dBV/Pa (cardioid) / 20 mV/Pa, -34 dBV/Pa (omnidirectional) / 23 mV/Pa, -33 dBV/Pa (figure-8), Equivalent noise level: 9 dBA, SPL (sound pressure level): 139 dB, 0 dB Pre-attenuation, Signal-to-noise ratio: 85 dB (A), Dynamic range: 130 dB-A, Internal impedance: 200 Ohm, Rated load impedance: 1000 Ohm, Power supply voltage: 230 V, 50 Hz / 110 V, 60 Hz, Power consumption: 170 mA, Gold-plated 11-pin XLR connector, Weight: 1.89 kg, Includes a microphone shock mount, windshield, 11-pin audio cable, LCT 840 PSU, and a transport case