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29 Dezember 2024
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SHURE 577B MICROPHONE Handheld, cardioid, noise-cancelling

Artikelnummer
74-6218
Hersteller
Shure
Typennummer
  • 577B
SHURE 577B MICROPHONE Handheld, cardioid, noise-cancelling
SHURE 577B MICROPHONE Handheld, cardioid, noise-cancelling

Bestellangaben

MwSt. / Versand
Nicht mehr hergestellt.Leider können wir zur Zeit keine Alternative anbieten.
RoHS Konform

577B Microphone

The Shure Model 577B 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 anti-noise features. Shaped frequency response, directionality, and distant sound discrimination contribute to total noise reduction. The microphone operates on the pressure-gradient principle and has two sound entry ports spaced a small distance apart.

A mounting bracket is supplied to provide convenient hang-up when the microphone is not in use.

  • 577B with built-in hangup bracket and mounting bracket

Features

  • Frequency response tailored for close-talk operation
  • Extremely effective noise cancellation
  • Dynamic microphone cartridge
  • Modular design
  • "Million-cycle" leaf-type press-to-talk switch
  • TRIPLE-FLEXc able provides three to four times the flex life of most coiled cords
  • Rugged ARMO-DUR case
  • Built-in hang-up button and supplied mounting bracket

Specifications

Type
Dynamic, noise-canceling
Frequency Response
100 to 5,000 Hz
Impedance (at 1000 Hz)
Rated at 150 ohms (175 ohms actual) for connection to microphone inputs rated at 19 to 300 ohms.
Output Level (at 1,000 Hz, 5/16 in.)
Open Circuit Voltage ... -66.0 dBV/Pa (0.5 mV)
0 dB = 1 volt per 1 Pascal/94 dB SPL
Hum Sensitivity
Equivalent to 32 dB SPL in 1 millioersted field
Operating Temperature Range
-40 degrees to 74 degrees C (-40 degrees to 165 degrees F)
Switch Type
Double-pole, single-throw, leaf-type, push-to-talk
Cable
Non-detachable. 1.8m (6 ft), neoprene-jacketed coil cord, four-conductor (two conductors shielded).
Case
Two-tone gray, high-impact ARMO-DUR
Dimensions
See User Guide
Net Weight
330 grams (11.6 oz)

User Guides

SHURE MICROPHONES - Fist microphones

Handheld microphones with press-to-talk switches, for use with paging, public address and communications systems.

596LB

abgekündigt

A low impedance, omnidirectional, dynamic, microphone, this is 'designed especially for voice communications use'. It is an 'economical unit for applications in budget-restricted paging and other installations'. Vinyl coated coiled cable, no connector. Supplied mounting bracket fits hang-up button on back of microphone.

514B

abgekündigt

The Shure 514B is a low impedance, omnidirectional, dynamic, handheld microphone designed for paging and public address systems. It provides 'clear, natural voice response and high intelligibility'. Neoprene-jacketed, coiled cable, no connector. Supplied mounting bracket fits hang-up button on back of microphone.

527B

abgekündigt

An 'extremely reliable', low impedance, omnidirectional, dynamic microphone with an extended low- and high-frequency response, 'particularly suited to ham radio use, mobile FM transmission, and top-quality paging systems'. Neoprene-jacketed coiled cable, no connector, hang-up button and mounting bracket.

527C

abgekündigt

This is similar to the 527B, an 'extremely reliable', low impedance, omnidirectional, dynamic microphone with an extended low- and high-frequency response, fitted with an internal pre-amplifier to reduce sensitivity to hum and RF interference. It is 'designed for use in a variety of mobile and fixed station applications, including police, transportation, amateur radio and similar applications'. Neoprene-jacketed coiled cable, no connector, hang-up button and mounting bracket.

577B

abgekündigt

This is a low impedance, cardioid, dynamic, microphone using the pressure gradient between two entry points to provide noise cancelling. 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'. Neoprene-jacketed coiled cable, no connector, hang-up button and mounting bracket.