545 SD

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SHURE 545 SD Specification

Type Dynamic
Frequency Response 50 to 15,000 Hz
Polar Pattern Cardioid (unidirectional)–uniform with frequency, symmetrical about axis
lmpedance Dual. Microphone rating impedance is 150 ohms (250 ohms actual) for connection to microphone inputs rated at 19 to 300 ohms and “High” for connection to high-impedance microphone inputs. Wired for low impedance as supplied.
Output Level LOW @ 1,000 Hz: Open Circuit Voltage* -58.0 dB (1.3 mV); HIGH @ 1,000 Hz: Open Circuit Voltage* -35.0 dB (17.6 mV) *0 dB = 1 volt per Pascal (1 Pa = 94 dB SPL)