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Each month features an updated reprise of a Tech Tip from ten years ago as many past Tips are well worth review. Also, some will benefit from updating. Enjoy the forty-fifth monthly Tech Tip reprise. April 25, 2015, marks the 90th anniversary of Shure Incorporated. Founded as the Shure Radio Company by S.N. Shure, then only twenty-three years old, his new business opened at 19 South Wells Street in Chicago. S.N. Shure, 19 S. Wells Street, Chicago, 1926 It was… -more-

Quick! List each Shure wireless microphone line that has the letter “L” in the model number. Did you remember all nine of them? Alphabetically, they are…and were:

• BLX Series
• GLX-D Series
• L Series
• LX Series
• QLX-D Series
• SLX Series
• SLX-D Series
• ULX Series
• ULX-D Series

But why the “L” did we choose “L?” Might “L” mean 50 as it does in Roman numerals? Our first wireless mic system, the Vagabond 88, debuted in 1953, so “L” could refer to the… -more-

In an announcement for the 1960 Los Angeles High Fidelity Music Show, Connie Stevens, a recording star and actress, was photographed with five of Shure’s most popular microphones: (left to right) 520SL Dispatcher, 510 Hercules, 55S Unidyne, 520 Green Bullet, and 430 Commando. Held at the Pan Pacific Auditorium, it was the fifth year for the show. A few months later, these products were also on display at the Electronic Parts Show in Chicago; and in a letter to employees,… -more-

Consumer demand for private personal listening did not begin with the Smart Phone. Looking in the rearview mirror we see the iPod, the portable CD player, the Walkman portable cassette player, and the transistor radio with a single earphone. There was also the Shure Solo-Phone family of products. Cover of the Solo-Phone 1968 sales flyer In 1966, we introduced the Model SA-1 Solo-Phone amplifier. Priced at $45 U.S. retail ($450 in 2025 currency), the SA-1 was a small, all-transistor preamplifier/amplifier… -more-

Manufactured from 1968 to 1970, the Shure CA20 was a transducer for wind instruments. It contained a ceramic element with an output level of -73 dBV at 94 dB SPL. We supplied the CA20 exclusively to the Innovex division of the Hammond Organ Company to package with its Condor RSM synthesizer. Shure dealers could not buy the CA20 as it was an OEM product. The CA20 attached to the mouthpiece of a wind instrument, such as a clarinet, sax, or… -more-

One of the earliest accounts of Shure microphones used by reporters on the frontlines of military action came in 1943. During World War II, the United States Marines landed at Empress Augusta Bay on Bougainville Island and began an air and naval bombardment of enemy territory. Marine Sergeant Lloyd Maypole stood on the deck of a transport a short distance offshore; and in the midst of the intense blasting around him, he began to describe what was happening. Using a… -more-

A recap Tech Tip #576 – Premiering February 2025, Becoming Led-Zeppelin is a documentary depicting the band’s formation and formative years. It traces the four members through the 1960s British music scene and their meteoric ascendancy. Led Zeppelin, like The Who and the Rolling Stones, have been loyal users of our microphones for over five decades. The photos and poster below illustrate the Led Zeppelin – Shure connection. Because PA equipment was so limited, we tried to get as much… -more-

One of our most frequently read FAQ pages is: Understanding Earphone Specifications While the audio quality of earphones is subjective – what sounds superb to me may not please you – the sensitivity rating is objective, i.e., inject a prescribed amount of electrical signal into the earphone, then measure the acoustical signal [loudness] created in the ear canal. The sensitivity rating for the SE846 earphones is 114 dB SPL/mW @ 1 kHz. SE846 earphones Say what?!? Gibberish and twaddle to… -more-

The MoveMic 88+ offers creators the freedom to capture professional-quality audio wirelessly, perfect for filmmaking, field recording, journalism, and videography. It comes with four selectable polar patterns and powerful onboard DSP for superior sound in any situation. Connect directly to your smartphone via the free Shure MOTIV™ apps, or link to cameras, computers, and third-party mobile apps with the MoveMic 88+ Receiver Kit.

The Shure Uniplex Microphone, used with a magnetic wire recorder, is shown with wire recorder inventor Marvin Camras in 1944. A similar microphone and recorder setup was used to record the landing of the United States Marines on Bougainville Island on November 1, 1943. Several months later, Mr. Camras’ recorder played an important role in the critical World War II D-Day invasion. On June 6, 1944, the Allied Forces used a portable machine to play recorded, amplified battle sounds at… -more-