Ref Code: SM545
The predecessor to the SM57, the 545SD Classic UnidyneÂ® Instrument Microphone is a dual-impedance, unidirectional, dynamic microphone.
Shipped connected for low-impedance operation, the 545SD features a silent magnetic reed on/off switch with lock-on option. A favorite for instrument pickup and recording, the 545SD can also be used on lecterns in public address systems.
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)
Cable not included.
Shure SM545SD Classic UnidyneÂ® Instrument Microphone
web price £151.50
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