United Studio Technologies UT Vintage87; FET large-diaphragm condenser microphone; custom United K87 capsule with 24k gold coating; 34mm brass capsule with insulated dual backplate; dual-diaphragm 6µm Mylar (PET film); custom-wound United output transformer; polar pattern: cardioid; switchable high-pass filter: 80Hz (–12dB); switchable pad: –10dB; frequency response: 20 – 20000Hz; sensitivity: –34dB @ 60V; maximum SPL: 117dB (127dB with pad) @ <0.5% THD; self-noise: <10dB; output impedance: 27ohms; power supply: 48V phantom power; included accessories: vintage bag and shockmount; dimensions (H x D): 220 x 55mm