Wired Microphones

Static Hemi-Cardioid Instrument Microphone Shure BETA 91A, electret condenser capsule, the one and only, unbeatable in its sector

ARTICLE N° 27378
  • SHURE BETA 91A
  • Static Micro Hemi-Cardioid Instrument
  • Capsule: Static electret
  • Frequency response: 20Hz to 20kHz
  • Directionality: Hemi-Cardioid
  • Output Impedance: 146 Ohms
  • Sensitivity: -48.5 dBV / Pa (3.8 mV)
  • Clean Noise: 29.5 dB-A
  • Pressure Max SPL: 155 dB
  • Contour filter: -7 dB at 400 Hz
  • Dimensions: 139 mm x 95 mm x 20.5 mm
  • Weight: 428 g
  • Supplied with a carrying pouch
Their extraordinary performance and talent of the greatest artists have made Beta microphones real "scene beasts", both wired than wireless version. Their warmth, their presence, their legendary sensitivity and multiple configurations of their capsules have attracted all those who sought perfection.
The Beta series represents technological excellence Shure. Design completely avant-garde and with unrivaled performance, the Beta range became the standard truly live concerts.
The Beta 91A is the successor of Beta 91, bringing it replaces a number of improvements.
It is a surface effect condenser microphone for the resumption of the bass drum, and now the piano, or any other serious instrument. The new cap has been optimized for better low frequency response.
Its new design allows it to integrate the preamplifier and thus benefit from a direct XLR connectors. It further has a corrector filter adapted for use in a bass drum.
The Beta91A, like its predecessor, has a half-cardioid and is resistant to extremely high sound pressures.
It comes with a carrying pouch.
Capsule type
 Capacitor, Electret
Application
 Ambiance, Drum / percussions, Piano, Live
Directivity
 Half Cardioid
Switchable Bass-Cut filter
 Yes
Acoustic pressure (dB)
 156
Impedance
 150 Ohm
Switch On/Off
 No
Power supply
 Via +48 V phantom power supply
Connectors
 XLR male 3 pins
Accessories included
 Carrying Bag
Color
 Grey
A little history ...
It all began in 1925 when Sidney N. Shure some created his company in Chicago, wholesaler of spare parts for radios at a time when the industrialization of receivers has not yet begun.
The following year, Shure published his first catalog mail order pioneer of its kind in the US.
3 years after its founding, the company employs more than 75 people until the 1929 crisis drastically reduced demand while the first industrialized radios appear on the market.
The heartsick, Shure was forced to lay off almost all of its employees, who no longer one customer to supply a microphone manufacturer in this case.
What gives him the idea, two years later, to design their own micro with the help of a young engineer, Ralph Grover.
Shure is quickly becoming one of only four microphones manufacturers in the US, including proposing a micro ultra-light, the Model 33N and 40D, the 70 and finally 55 Unidyne way that will become a legendary microphone with its singular aesthetic.
The Second World War brings lucrative contracts with the army and the return of peace, Shure becomes the first US manufacturer of cells for turntable, famous brands provider like RCA, Emerson, Magnavox, Motorola ...
They invent the way, we are in 1948, the first cell capable of playing both LPs brand new 33-turns that old 78s.
In 1953, they created the first wireless microphone, called "The Vagabond" beginning of a long series of wireless systems they will be a specialty.
In the 60 appear successively what will become the standard of the brand until today, the SM57 and SM58 models, references if any.
In the early 90s, the Shure exploding wireless market with the L series; allowing it to dominate the sector in less than 10 years!
But in 1995, the creator, Sidney N. Shure dies at the age of 93.
The show must go on, and his family, his teams, continues unabated with his work, until today, a series of innovations ranging from in-ear headphones for personal monitoring systems via a range ever extended precision microphones.

Spotlight on

SHURE, the most popular brand among musicians! The SM58 wired microphone for vocals and SM57 for instruments, the SM7B for vocals or the PG24E PG58 are the worldwide references available at Sonovente.com. Also available are the superb SRH studio and DJ headsets, the PGX and SLX HFs, the 55SH T2 skull mic... 
Shure has developed USB mics that rival their analog mics in reliability and sound. Artists trust their wireless systems to stay connected in every situation. Shure has made professional gear accessible to the masses, creating superior in-ear monitors

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