The same simplification was made for the supercardioid Model 556 Broadcast version, too, now costing $85. The internal windscreen fabric material was also changed to open-cell foam, and the Model 55SH lost the internal impedance selector switch. It is supplied in an aluminium flightcase with a 75th anniversary logo, a certificate of authenticity, and some collectors’ photos of the vintage Unidyne Model 55. Arranging for the rear sound waves to reach the diaphragm at the same time as those travelling around to the front required an acoustical delay network in the rear cavity of the capsule, and it took Bauer and his colleagues two years of research and development to optimise the design so that the polar pattern was reasonably consistent at all frequencies. Again, the mic was available in two forms: the $72 Model 55S was the general-purpose cardioid version, still fitted with an impedance selection switch and, initially, a blue windscreen cloth, while the $100 supercardioid Model 556S, now fitted with a Canon XL connector and a maroon windshield cloth, was still aimed at broadcasters. First Look: Pro Tools | Carbon. The Model 55 was an instant hit with singers from Billie Holiday to Hank Williams, who appreciated its revolutionary sound quality and small size. In the 1930s the most common kind of professional microphone employed carbon button technology. The resulting ‘Uniphase Acoustical System’ allowed a far more predictable and consistent polar pattern than composite (multi-capsule) directional microphones, significantly improving the control of unwanted ambient noise and feedback. It’s why we built the 55SH Series II with a rugged, die-cast casing, so it’s always ready for the next show. The American Shure Brothers Company, now Shure Incorporated, sits proudly amongst the world’s longest-surviving microphone builders. The mic also ships with a nice retro-styled desk stand (with a zinc die-cast finish) and an XLR cable with a right-angled socket to connect with the microphone itself. (4,227 KB), Download PDF With a classic, timeless sound that is both rich and clear, the SM58 is the vocal microphone of choice for legends and contemporary performers alike. 30-day modular deep dive/writing challenge, How to install Waves v9 plugin on macOS Catalina. This revolutionary Uniphase Acoustical System first saw the light of day in the short-lived Model ‘Uniplex’ 730A microphone, which employed a crystal capsule, but it was in the form of the ‘Unidyne’ Model 55 dynamic microphone that the concept gained instant success, and set a new sound-quality standard at the same time. The Unidyne Model 55 was initially made available in three variants: the ‘A’ version had a low (50Ω) output impedance, and was intended for broadcast applications with a cost of $42.50. It can handle the motion. Before the Model 55, the only practical way to obtain a cardioid polar pattern was to combine the electrical outputs from separate figure-of-eight and omni capsules mounted within the same mechanical housing, as was done in the Western Electric 639A, which combined a figure-of-eight ribbon element and an omnidirectional moving-coil capsule. Impressively, the Unidyne II capsule remained at the heart of all Model 55 variations for nearly 40 years, until it was replaced in 1989 by a new cardioid capsule design, available only in a low-impedance configuration. This classic microphone also featured in many of the critical moments of 20th century history, capturing the speeches of such luminaries as Franklin D Roosevelt, John F Kennedy, Martin Luther King, Indira Ghandi and General Douglas MacArthur on the deck of the USS Missouri during the ceremony ending the war with Japan in 1945. The ‘dyne’ part comes straight from the imperial unit of force used in acoustical measurements. PAG/NAG is a concept that can be used to determine if a sound reinforcement system can produce enough gain to provide an optimal listening experience before causing feedback. If you want to capture a classic look, you need the gear to match the genre. Realising the vast potential for this nascent market, Shure Brothers started making their own microphones in 1932, their first in-house design being the Model 33N, a carbon-button microphone (the dominant microphone technology of the day). Why Are Some A-B Stereo Arrays Angled Outwards? We know. A few years later, with radio broadcasting, public-address and two-way radio communications becoming more common, he took on the distribution of microphones from a now long-gone manufacturer. Visual inspiration: the Oldsmobile 6, with its distinctive radiator grille. Shure’s first production dynamic mic capsule was the Model 50 ‘Rocket’, a pressure-operated microphone with a more-or-less omnidirectional polar pattern, albeit with some forward directionality at high frequencies due to the case design. The Unidyne Model 55 was revolutionary: the first compact microphone to provide a consistent cardioid polar pattern from a single dynamic element. Nothing completes the style quite like the 55SH Series II, a microphone that has been gripped by legends for decades. Early capacitor microphones were available, too, but they were very expensive to build, still relatively fragile, and again, required external power. Apparently this unique and fascinating tome was primarily put together for use internally at Shure, and it seems that few outside the company were ever destined to see it. The ‘uni’ part indicates the use of a single mic element, of course, as well as the unidirectional (cardioid) polar pattern it delivers, and the genuinely unique design concept. Consequently, Shure invested considerably in the development of a high-quality moving-coil dynamic microphone: in essence, a miniature loudspeaker working in reverse. Unfortunately, they found Poland to be no better, and so the family emigrated to Cuba a few years later. The actual fabric changed often, too, with silk, cotton, nylon and polyester all being used — basically whatever Shure’s engineers could find in a nearby store that had the correct acoustical impedance! You may login with either your assigned username or your e-mail address. Others may imitate, but none can duplicate the form and function standards Shure has held from our first Unidyne mic to our latest. The microphone that catapulted the Shure Brothers Company into worldwide recognition was also the world’s first single-element dynamic cardioid microphone: the Unidyne Model 55, introduced in 1939. General Douglas MacArthur receives the formal surrender of the Japanese forces on board the USS Missouri, 1945. While the general appearance of the Model 55 and Broadcast 555/556 microphones remained the same, the colour of the windshield cloth behind the metal grille varied considerably over the years, with different maroons, blues, brown, grey and black all making appearances.
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