Shure 545L user manual

Summary of the content on the page No. 1

Model 545L User Guide
Unidirectional Dynamic Microphone
GENERAL SPECIFICATIONS
The Shure Model 545L unidirectional dynamic micro- Type
phone is a low-impedance unit designed for instrument or
Dynamic
voice pickup in public address applications. With its attached
Frequency Response
cable, the microphone is suitable for mounting on an optional
50 to 15,000 Hz (see Figure 1)
A25B swivel adapter, on a fixed pipe or flexible gooseneck, or
for handheld use.
The 5

Summary of the content on the page No. 2

Impedance Dimensions See Figure 4 Microphone rating impedance is 150 Ω (250 Ω actual) for connection to microphone inputs rated at 75 to 300 Ω Phasing Positive pressure on diaphragm produces positive voltage on BLACK cable lead (see Figure 3). CARTRIDGE OVERALL DIMENSIONS Figure 4 Net Weight 354 grams (12–1/2 oz) GOOSENECK MOUNTING To mount the 545L on a gooseneck or fixed pipe with a INTERNAL CONNECTIONS 5/8”–27 thread, unscrew (turn counterclockwise) the end cap FIGURE 3 at the cable end of th