The Buzz: 20 Years Ago in
Sound & Video Contractor
Aug 1, 2005 12:00 PM, By Mark Johnson
The feature article for August '85 looked at the multimeter. Though they had been around for quite a while, the digital multimeter (DMM) was relatively new. Tom Allen showed you how to get the most from yours in “A Guide to Amps, Ohms, and Volts.” Allen was a product specialist for the General Test & Service Division, John Fluke Manufacturing Company.
Sound & Video Contractor's reinforcement consultant James Gundlach provided the lowdown in “Constant Voltage: Dispelling Two Myths.” Peter J. George discussed how architectural and acoustical properties of halls go hand-in-hand in “Concert Hall Design.”
“An Update on Plenum Cable” by James E. Krejsa provided information regarding safety vs. installation ease for cables intended for installation in plenums.
Robert B. Ingebretsen was back with part three of his series on the two leading computers manufacturers: IBM and Apple.
Robert H. Jerry II kept us abreast of the latest legal issues associated with installing fire prevention equipment in public facilities in “Legal Requirements of Fire and Alarm Systems.” Linda Zolet, who was the personnel administrator for Lee Dan Communications at the time, authored “The Personnel Professional,” which discussed the benefits of having an HR or personnel pro on staff.
Richard Salam, who was marketing manger for RCA's closed-circuit video equipment, provided a guest editorial on CCTV: “How Far Can We Go?” Salam pointed out that the topics of discussion for the future of CCTV technologies were — you guessed it — fiber optics, solid-state imaging, and flat-screen monitors.
Demystifying black boxes was the subject of David Scheirman's column, “Reinforced Audio.” Scheirman reviewed how technology advancements had driven the development of system drive components, special effects processing, and what Scheirman described as all-in-one processors.
In What's New, Crestron introduced the W-5 and W-6 wireless control systems for 35mm slide projectors. And Shure Brothers unveiled the SM98 condenser mic. That particular model was discontinued in 1991.
In business news, Gentner Electronics acquired Leonine Technology (renamed Gentner RF Products Division) to design and manufacture RF products for broadcast and communications markets. Altec Lansing became a Gulton company as announced in an exclusive interview with Dave Merrey, the new president of Altec.
Manufacturers hawking their wares included Audio-Technica, which, in a two-page spread ad, introduced the AT-RMX64 6-channel mixer/4-track cassette recorder. This unit had balanced inputs, 48V phantom power, and the ability to send the mix to external amps so it could double as a small PA mixer.
Quam made effective use of white space (that's publishing talk) in its ad depicting its idea of the appropriate speaker inventory for a sound contractor (nothing). The text reinforced the message by saying basically it had what you needed in stock and could ship in a moment's notice.
Electro-Voice introduced its TransPlanar HP horn, a new constant-directivity horn designed to eliminate horizontal and vertical beaming at frequencies above 10,000 cycles.
ADC had a three-page fold-out ad, which promoted a bunch of ADC innovations like Dense Patch and the QCP cable termination system for its Pro Patch jackfields.
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