Lauten Audio Oceanus LT-381, Condenser Tube Microphone, Large 31.25mm dual-diaphragm capsule, Variable 9-step Omni, to Cardioid, to Figure-8, Vacuum tube input & output, Internally shock mounted capsule, NOS Military grade tube at gain stage, High resolution capacitors, Circuit: Transformer-less Vacuum Tube, Type: Dual-diaphragm condenser, Freq. Response: 20Hz to 20kHz, Polar Pattern: Cardioid, Omni & Figure-8 (variable), Dynamic Range: 100dB minimum, Impedance: <200 ohms, Max. SPL: 0.5%THD@1000Hz, Self-noise level: 20dB(A), Sensitivity: 16mV/Pa OR -36±2dB 0dB=1V/Pa 1000Hz, Special power requirement provided by PSU, Includes: Shock mount, Premium 7-pin tube mic cable, Wood box, Flight Case, Power Supply