AN INTERTEC PUBLICATION NOVEMBER 1992/$20 0 ox ,,°x w 7z) x m 0 www.americanradiohistory.com "but have you ever built a big one?,' asked NBC, CBS, RTO 1992 Olympics (International Broadcast Center), Sunset Post, Video Post & Transfer, U.S. Air Force, Mills /James Productions, University of Arizona, The Family Channel, NEP and The United Nations. Looking 100MHz ahead:.. SYSTEM 5 A/V routing switcher met their specs. Its 100MHz bandwidth is essential for computer graphics and advanced TV signals. It can be configured up to 1024x1024 with multi -level control (up to 16). SYSTEM 5 is a disc based system, has virtual matrix mapping, full system reconfiguration ...and it maintains system specification integrity. And there are scores of smaller SYSTEM 5s installed by a wide range of users from airlines to telco companies. NBC routing switcher "Are you competitive ?9, Call us. for 1992 Olympic Summer Gaines in Barcelona, Spain. Pesa America. Huntsville. AL 205- 880 -0795 - Fax 205 -881 -4828 PESA Burbank. CA 800- 323 -7372 Switching Systems New York City 800- 328 -1008 THE PESAcciHhmom L GROUP PESA (CIHhYáB®#1 AURORA Circle (1) on Reply Card www.americanradiohistory.com [LITI S THEY COME IN ALL SHAPES AND SIZES And who's the creator of all these shapes and sizes for the last 15 years, worldwide? Harris Allied. From news gathering and network programming to teleconferencing and business, government and emergency communications, we have your solution. We offer you the high performance of KU or C -Band systems in analog or digital. 5 And we can design this solution in the shape of a simple flyaway uplink to the size of a redundant network quality uplink. .4 LLI E To make a 15 year old story short, S Y S T DE M S just remember Harris Allied... Satellite Solutions. Television and Satellite Systems: (606) 572 -6880 Circle (3) on Reply Card ' Harris Corporation, 1992 www.americanradiohistory.com sRoaDCäsT Contents EDITORIAL 8rad Dick. Editor Carl Bentz. Special Projects Editor 1993 ERM Volume 34 Number 13 Skip Pizzi, Technical Editor Dawn Hightower. Senior Associate Editor Stefanie Kure, Associate Editor Tom Cook. Senior Managing Editor Pal Blanton. Directory Editor ART Doug Coonrod, Corporate Art Director Nenita Gumangan, Graphic Designer BUSINESS 4 Editorial Cameron Bishop, Group Vice President Duane Hefner, Group Publisher 1bm Brick. Marketing Director 6 Product directory Czatdana Ivan, Group Director. Special Projects to you the Evelyn Hornaday, Promotions Manager A listing of more than 1,000 broadcast manufacturers makes available The red listings indicate adver- Sandra Tomczak, Promotions Coordinator companies that offer the equipment you need. Dee Unger, Advertising Business Manager tisers in this issue. Mary Birnbaum, Advertising Production Supervisor Shelly Larkey, Advertising Coordinator Stephanie K. Carlson, Classified Advertising Coordinator 30 Manufacturers' addresses Lori Christie. List Rental Sales fax number to contact If you ever need the address, telephone number and /or -date information. ADMINISTRATION a company, this directory provides the most up-to R.J. Hancock, President Carol Sharp. Circulation Director Customer Service: 913 -967 -1711 TECHNICAL CONSULTANTS Eric Neil Angevine. Broadcast Acoustics John H. Battison, Antennas /Radiation 98 Shotgun Microphones Dennis Ciapura. Radio Technology 51 VIDEO SPECS Dane E. Ericksen, P E. Systems Design John Kean. Sub'arrier Technology 99 Telephone Bandwidth Extenders Donald L. Markley, Transmission Facilities 51 Color TV Cameras Harry C. Martin. Legal Curtis Chan. Audio /Video Technology 99 Multichannel Digital Audio 56 Camera Lenses MEMBER ORGANIZATIONS Production Systems Sustaining Members of: Acoustical Society of America 60 Video Monitors Society of Broadcast Engineers Society of Motion Picture and TV Engineers 62 TBCs /Synchronizers Member, Association of Business Publishers 101 TRANSMITTING, TEST Member. 66 Standards Converters SPECS Business Publications & MEASURING Audit of Circulation 67 Routing Switchers is edited for corporate 101 AM Broadcast Transmitters BROADCAST ENGINEERING management, engineers /technicians and other station management personnel at commercial and educational 72 Production Switchers recording 102 FM Broadcast Transmitters radio and TV stations. leleproduction studios, studios. CAN and CC1V facilities and government agen- 77 Editing Controllers cies. Qualified persons include consulting engineers and 105 TV Transmitters dealer /distributors of broadcast equipment. 82 Analog /Digital Video Recorders BROADCAST ENGINEERING (ISSN 0007 -1994) is pub- 108 Vectorscopes lished monthly (plus three special issues) and mailed free to qualified persons within the United States and Cana- 82 Videocassette Automation da in occupations described above. Second-class postage 109 Waveform Monitors paid at Shawnee Mission, KS. and additional mailing Systems offices. POSTMASTER: Send address changes to Broad- cast Engineering. P.O. Box 12960, Overland Park. KS 112 TV Demodulators 66282 -2960. Systems SUBSCRIPTIONS: Non-qualified persons may subscribe 112 Automated TV Test at the following rates: United States and Canada: one year. $50.00. Qualified and non-qualified persons in all other 85 AUDIO SPECS Systems countries: one year. $60.00 (surface mail): $115.00 (air 113 Audio Test mail). Subscription information: P. 0. Box 12937, Over- 66282-2937. 85 On -Air Mixers land Park, KS Photocopy rights: Permission to photocopy for internal or personal use is granted by Intertec Publishing Corpo- 88 Portable Audio Mixers ration for libraries and others registered with Copyright Clearance Center (CCC), provided the base fee of $2.00 115 Classified Advertising per copy of article is paid directly to CCC. 21 Congress 91 Studio /Production Audio Mixers St.. Salem, MA 01970. Special requests should be ad- dressed to Cameron Bishop, group vice president. ISSN Ad Index 0007-1794 $2.00 e $0.00. 94 Wireless Microphones 116 CORRESPONDENCE Editorial and Advertising: 9800 Metcalf, Overland Park. KS 66212-2215. Telephone: 913 -3414300: Editorial fax: 913- 967 -1905. Advertising fax: 913-967-1904. ON THE COVER 1992 by Intertec Publishing for radio The annual Equipment Reference Manual is a comprehensive directory All rights reserved. as a guidebook and TV broadcasters. This special BE publication can be used publica- whenever an equipment purchase is being planned. Keep this annual by Nenita INTERTEC tion on your desk for reference throughout the year. (Cover design PUBLISHING Gumangan, graphic designer.) Manual 2 Broadcast Engineering 1993 Equipment Reference www.americanradiohistory.com Dolby A -type Dolby B -type Cat. No.43 OPU -1 Dolby WC Pro Dolby C-type M 1 j SEVEN REASONS WHY DOLBY IS NUMBER ONE FOR HIGH QUALITY AUDIO PRODUCTION. The Model 363 Series two- 1 channel unit incorporates Dolby SR, Dolby A -type, or switchable SR/A -type modules in a compac-'I U -high chassis. The SRP Series 2 multitrack provides The MT Series up to 24 channels of 3 provides up to 24 Dolby SR in a cost - switchable Dolby SR/A -type saving configuration modules under software ideal for recording control for channel grouping and in -house and automatic alignment. production facilities. The Model 422 Series is a 5 reference encoder/decoder with four channels of Dolby B -type, The NEW Spectral Processor C -type, and S -type for mastering 4 is a two- channel dynamic and monitoring in audio and video equalizer that raises low -level signals cassette duplication. in three frequency bands as much as 20 dB without affecting high -level signals, squashing transients, or destroying overall track dynamics. The Model 430 Series, 6 based on Dolby SR, is The Model SDU-4 our newest, most powerful is a 2:4 reference decoder for background noise supressor monitoring Dolby Surround and system. For use in reducing Dolby Stereo program material in broadband noise on locat on broadcast, video, music recording, recordings for film and video and some film appl cations. applications. Dolby Laboratones Inc 100 Potrero F Avenue San ranosnc CA 94103.4813 Telephone 415- 550 -0200 Telex 34409 Facsimile 415- F691373 346 Clapham Road London £W9 9AP Telephone 071.720-1111 Telex 919109 Facsimile 071720.4118 Dolby and the dable-D symbol are trademarks of Dolby Laboratones Licensing Corporation 1992 Dolby Laboratones S929274.9535 DO Dolby Model 361 Series Model 365 Series Cat. No. 280 Dolby SR XP Serico Cat. No. 431 Circle (4) on Reply Card www.americanradiohistory.com Editorial Decisions, Decisions Welcome to the 1993 Broadcast Engineering Equipment Reference Manual and Buyers Guide. Continuing the tradition, this 12th reference issue contains a wealth of information regarding manufacturers and many facts on the latest equipment for broadcast, cable and production environments. Buying hardware today is difficult and there is an abundance of equipment and options available. The task for the engineering manager is to select the best product for the given application. That can be a difficult task. Fortunately, the Equipment Reference Manual and Buyers Guide is your key to making the correct hardware purchases. We've incorporated several features to make your search for the best equipment even easier. The fold- out tab pages quickly guide you to different product specification sections of this issue: Video Specs and Audio Specs. A third specification section, RF and Test & Measurement, follows the audio section. As usual, the Buyers Guide Product Listings and Manufacturers' Addresses can be found in the front half of this issue. Color