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577B Installed Microphones

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577B Microphone


Product Code:
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)

SHURE Pro Audio 120410 shure pro audioNext Index1
Performance Microphone | SM57 | SM58 | SM57+X2u | SM58+X2u | Beta 58A | Beta 57A | SM86 | SM87A | Super 55 | 55SH Series II | 520DX | Beta 52A | Beta 53
|
Beta 54 | Beta 56A | Beta 87A | Beta 87C | Beta 91 | Beta 98/S | Beta 98D/S | Beta 98H/C |
Beta 181 | Beta 91A | Beta 98A | Beta 98AMP | DMK57-52 | KSM137 | KSM141 | KSM9 | PG48 | PG52 | PG56 | PG57
|
PG58 | PG81 | PGDMK4 | PGDMK6 | SM10A | SM27 | SM48 | SM57 | SM81 | SM94 | Recording Microphone | SM57+X2u | SM58+X2u | 810 Modulink | Beta 52A
|
Beta 98H/C | El Diablo | Naked Eye | Proscenium | Recordist | Soundstage  | SPLx Custom | Studio Vocalist | KSM109 | KSM137 | KSM141 | KSM27 | KSM313
|
KSM32 | KSM353 | KSM44 | PG27USB | PG27 | PG42USB | PG42 | SM137 | SM27 | SM81 | VP88 | Installed Microphone | 545SD | 565SD | 104C | 450 Series II
|
503BG | 514B Handheld| 515 Series | 522 Desktop |
527B | 527C | 561 Gooseneck | 562 Gooseneck | 577B | 588SDX | 596LB Handheld | KS109 | KSM137 |
KSM42 | KSM44A
|
KSM141 | MX180/N | MX183 | MX202 | MX391 | MX395 | MX396 | MX405 | MX412 | SM11 | SM57 | Broadcast Microphone | MC50B | MX180/N | MX183 | SM2
|
SM63 | SM7B | SM89 | SM93 | VP64A,VP64AL | VP88 |
|