Soyuz 017 Tube; large-diaphragm condenser tube microphone; 34mm diaphragm membrane (gold sputtered); frequency range: 20Hz - 20kHz; polar pattern: cardioid (swappable with optional omnidirectional and figure 8); sensitivity: 16mV/Pa; impedance: 270Ohm; SPL: 120dB; noise floor: > 20dB (A-weighted); including BP-017 power supply with built-in -20dB pad circuit, 6-pin cable, microphone clip, spare tube, elastic mount, handmade oak suitcase; handmade in Russia; dimensions (L x D): 226 x 55mm; weight: 950g