Microphones : Instrument Microphones : Shure Incorporated - 545SD-LC

Classic Unidyne Instrument Microphone (Cable Not Included)

Series: Shure

Model: 545SD-LC

Exceptionally uniform cardioid pattern minimizes feedback
Selectable dual-impedance operation
Silent magnetic reed on/off switch with lock option
Cardioid, dynamic
Frequency response: 50 to 15,000 Hz

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The 545SD-LC classic unidyne instrument microphone is a dual-impedance, unidirectional, dynamic microphone. Shipped connected for low-impedance operation, the 545SD-LC features a silent magnetic reed on/off switch with lock-on option. A favorite for instrument pickup and recording, the 545SD-LC can also be used on lecterns in public address systems.

Exceptionally uniform cardioid pattern minimizes feedback
Selectable dual-impedance operation
Silent magnetic reed on/off switch with lock option
Cardioid, dynamic
Frequency response: 50 to 15,000 Hz

Polar/Pickup Pattern - Cardiod
Microphone Type - Dynamic
Polar/Pickup Pattern - Unidirectional
Microphone Connectivity - Wireless
Wireless - Yes

Impedance: 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. To change impedance, see sections on lmpedance Selection and Connections in User Guide.
Output Level (at 1,000 Hz):
Low: Open Circuit Voltage -58.0 dB (1.3 mV) 0 dB = 1 volt per Pascal (1 Pa = 94 dB SPL)
High: Open Circuit Voltage -35.0 dB (17.6 mV) 0 dB = 1 volt per Pascal (1 Pa = 94 dB SPL)
Polarity: Positive pressure on diaphragm produces positive voltage on pin 2 (with respect to pin 3)
Switch: Built-in magnetic reed on/off switch with lockplate
Cartridge Shock Mount: Internal rubber vibration-isolator
Swivel Adapter: Positive action, adjustable through 90 degrees from vertical to horizontal, permits easy removal for handheld use, suitable for mounting on stand with 5/8"- 27 thread
Case: Chrome-plated die casting with ARMO-DUR® grille and stainless steel screen
Maximum Frequency Response (Bandwidth): 15,000 Hz
Maximum Frequency Response (Bandwidth): 15 kHz
Minimum Frequency Response (Bandwidth): 50 Hz
Minimum Frequency Response (Bandwidth): 0.05 kHz
Product Weight: 0.56 lbs
Wireless: Yes
Regulatory Compliance: CE, EMC