Author: admin
Apps Tech Tip #431: Shure’s First Microphone Catalog
March 24, 2021
Before Shure Brothers Company initiated the manufacturing of its own microphones in 1932, we distributed carbon mics made by Ellis Electrical Laboratory, based in Berwyn, Illinois, a suburb of Chicago. In 1929, S.N. Shure and Hugh Ellis signed an exclusive distribution agreement, with Shure agreeing to purchase a minimum of one hundred microphones in each year of the contract. Subsequently, Shure Brothers Company formed a subsidiary: Ellis Electrical Laboratory Sales Corporation, S.N. Shure – President.
In 1930, Shure’s first catalog… -more-
Apps Tech Tip #309: The SM82 Line Level Microphone
March 14, 2018
I can envision the puzzlement of many readers. “How can this be? A microphone emits a mic level signal, not a line level signal. Besides, why make such a device? Who needs a mic that emits a line level signal?”
First, a quick review. A mic-level signal is around 1 millivolt = 0.001 volt = -60 dbV. A line-level signal is 1,000 times greater, or around 1,000 millivolts = 1 volt = 0 dbV. There is a nominal 60 dB… -more-


