The Royer SF-12 stereo coincident ribbon microphone combines high quality audio performance with outstanding stereo separation and imaging. The SF-12 allows you to record excellent drum overheads, percussion, brass and woodwinds, acoustic instruments, choirs or ambience recordings. Two 1.8-micron aluminum ribbon transducers are mounted on top of each other in a 45-degree Blumlein stereo configuration, resulting in stereo recordings with vivid, lifelike detail and transparent audio fidelity. Product Specifications: X/Y and M/S recording option Mode of operation: Electrodynamic pressure gradient Frequency range: 30 - 15,000 Hz (+/-3 dB) Polar pattern: Figure eight Sensitivity: > -52 dBv Re. 1v/pa Max.sound pressure level: >130 dB Output impedance: 300 ohm @ 1 k (nominal) Output: 5-pin Dimensions: 206 x 25 mm (length x diameter) Weight: 0.4kg Color: Black Finish