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Model 577B User Guide
NOISE-CANCELING HANDHELD DYNAMIC MICROPHONE
OPERATION
For optimum performance and maximum rejection of background noise, place your upper lip against the lip guard, approximately 25 mm (1 in.) from the grille. Hold down the
INTERNAL CONNECTIONS
The 577B is a
GENERAL
The Shure Model 577B SONOBAR® Microphone is a handheld dynamic microphone designed for communications and paging applications that require highly intelligible, low noise output. It can be used in all types of mobile communications, from amateur radio to helicopter news and traffic reports. It is also suitable for public address and paging systems in noisy areas such as factories, airport terminals, and restaurants.
The 577B represents a significant improvement over most microphones with
The modular design of the 577B greatly facilitates field servicing. The cartridge, switch, and cable can be replaced in a matter of minutes, if necessary.
The 577B is built to withstand mechanical shocks, vibration, high
temperatures, and humidity. The exclusive
A mounting bracket is supplied to provide convenient
Features
•Frequency response tailored for
•Extremely effective noise cancellation
•Dynamic microphone cartridge
•Modular design
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•
•Rugged
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©2005, Shure Incorporated 27C1128 (Rev. 4)
INTERNAL CONNECTIONS
FIGURE 1
TABLE 1. CABLE-TO-CONNECTOR WIRING
INPUT TYPE | WIRE | FUNCTION | XLR | 1/4 INCH |
| COLOR |
| CONNECT | PHONE |
|
|
| OR | PLUG |
|
|
|
|
|
| NATURAL | AUDIO + | PIN 2 | TIP |
|
|
|
|
|
BALANCED | GREEN | AUDIO – | PIN 3 | RING |
|
|
|
|
|
| SHIELD | CHASSIS | PIN 1 | SLEEVE |
|
| GROUND |
|
|
|
|
|
|
|
| NATURAL | AUDIO | TIP | |
|
|
|
|
|
UNBALANCED | GREEN | AUDIO | SLEEVE | |
|
| GROUND |
|
|
|
|
|
|
|
| SHIELD | CHASSIS | SLEEVE | |
|
| GROUND |
|
|
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Printed in U.S.A.