https://www.shure.com/fr-FR/produits/microphones/sm57
https://pubs-api.shure.com/file/260007
Type Dynamic Frequency Response 40 to 15,000 Hz Polar Pattern Cardioid Sensitivity (at 1,000 Hz Open circuit voltage) Open circuit voltage: -56.0 dBV/Pa* (1.6 mV) *(1 Pa = 94 dB SPL) Impedance Rated impedance is 150 Ω (310 Ω actual) for connection to microphone inputs rated low impedance Polarity Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3 Case Dark gray, enamel-painted, die-cast steel with a polycarbonate grille and a stainless steel screen Connector Three-pin professional audio connector (male XLR type) Weight 284 g Dimensions 157 mm L x 32 mm W
