High-Fidelity-1987-0
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S311V3 is03 iS030IA 3N111 LB6l VS1105'15 CSES vim oianv o3ain 1531 11210d321 )iinw 1W aNn aaino Lspivno s Hamvacisano, SalVS SINVOS 9 [OH MaN &ft. 9NR1301SNO3 -0111011/111S, 11110S SlUtION11.1MOH MOH alnoHs 11 4a.aNnos -qum LW LS313 31110631NOH Are ivaloia aNnowns Id EIOSS3D0 any 00( ONI10e11:1111S S0301A - Arr. iPlt ,igaRik$10,1N- V0,404 &SHIA MOO, .LV s.aaN 300Z-CiAlf r kiOSS33014c1 i .1 IN) L ,714:0 IMO+ - r -N 19025 PA -ESHERD! DR JEFFREY 3337 C;) HASTINGS P D MR N In YL c0 HIF JEF98 13337 2HST4 OCT90 16 7JEF451 #25333 CO 19025 #131Cninmx>m5-DIPCT NotEvolutionary The C-90 Pioneer's Revolutionary C -90/M-90Preamp readies you for the video revo- Elite High -Fidelity Components. lution, with six video inputs, a built-in AucLophiles, take note: The preamp and ampli-video enhancer, and two -buss switching fier you've been waiting for are finally here. (separate"Record" and"View" selectors). The IntrodLcing the Pioneer Elite Hi-Fi C -9C C -90's unique system remote -control unit Preamp and M-90 Power Amplifier. Together, features volume adjustment, input source they combine the finest in both audio and selection, and control of audio and video video to retrieve every detail and nuance foundinput devices such as Pioneer's"SK compat- in in. cher:shed records, tapes, compact discs.ible VCRs, CDs, LaserVision players and LaserVision' discs and other software. Imaginecassette decks. a so-andstage spread throughout your entire The M-90 is a superb high -power stereo liste:-.ing room! Stunning, transparent, three- amplifier, utilizing dual -mono construction. dimensional music, the likes of which you've It is conservatively rated at 200 W/CH into never heard, aoart from a live performance. 8 ohms' and delivers 800 W/CH of dynamic We pak fantastic attention to detail to gainpower at 2 ohms? The wide dynamic range of this level of musical truth. One example: the digital sources can now be reproduced effort- C-9:: volume control is a motorized, high pre- lessly, with any loudspeakers. The M -90's high cisicn rotary potentiometer. This permitted current capacity of 47 amps can handle the us to create tie world's first high -end preamp challenge of the most complex speaker loads. with a no -compromise handheldaSRTM To further enhance S/N ratio and channel remote -control unit. separation, relay -operated electronic switches The C -9C features three separate power and a long shaft volume control keep the length transformers-two to power left and right of signal paths down to a minimum. Why in- audio channels for vanishingly low crosstalk, clude a high quality volume control on a power and a third transformer to drive the preamp's amp? Simple. To pursue the straight -wire - unique video capabilities, relays, display and with -gain philosophy when using a CD player microprocessor. All switching functions are connected directly. Pure sound, redefined. accomplished by electronic relays. Thus the The exquisite finish of the M-90 and C-90 signal paths are as short as possible, improving reflects their quality. Elegant rosewood side signal-to-noise ratio and channel separation. panels and front panels with a deep hand- Anti -vibration measures taken to further the brushed lacquer finish emphasize the care of C -90's sonic excellence include a solid alumi- craftsmanship we've lavished on these two num volume control knob, polycarbonate components. The Pioneer C-90 Preamp and chassis feet, and rubber -cradled PC boards. M-90 Power Amp. Evolutionary? Hardly. Soft oopper-plztecl screws insure a snug fit Revolutionary? Most definitely. of drssis, transformers, transistors, and help For your nearest Pioneer Elite Hi-Fi to dampen vibration. dealer, phone 1-800-421-1404. ©1986 Pionee- Electronics (USA) Inc., Long Beach, CA !Based 3n FTC rules reprding measurement of amplifier power ratings. =Measured *-3). EIA method. (y) PIONEER" CAI C H THE SPIRIT OF A TRUE PIONEER. Theone and only now offers you the one -of-a -kind 10 disc changer 0 0 00 00 /6.1, lak SIAllf f LE 1111411 01131114IL veructxra man co wAren and the only carousel 5 disc changer. Sony's two new Disdockey CD changers selection. Then there's give you twice as much to choose from. the affordable CDP-05E There are no two ways about it. Only Its unique carousel Sony offers the incredible sound of compact design gives you over disc with the convenience of either a five or five hours of music, with ten disc changer. 32 -track programming, Consider the CDP-C10. It lets you sit back four repeat modes and and listen for over ten hours. And since it's the the fastest access time of only changer with a magazine compatible with any changer anywhere. the Sony Car Disdockey; Both changers feature remote control and you can get even greater renowned Sony technology like the Unilinear mileage from your CD Converter/digital filter and aspheric lens laser music library. optics for superior CD player performance. Speaking of high So remember, only Sony offers a choice of performance, the CDP- changers that play for five or ten hours. But C10 offers advanced pro- you'll hear how good they sound in seconds. gramming, shuffle play and direct disc and track Disc.Jockey: S ONY THE LEADER IN DIGITAL AUDIO'" , 1987 Sony Corporation of America. Sony, Disclockey and The Leader In Digital Audio are trademarks of Sony. VOL. 57NO.6 JUNE: 1987 HIGHF IDEL I "I V Test Reports 24ADS L-990 loudspeaker 27Siefert Research Magnum III loudspeaker 28Bose AM -5 three-piece speaker system 30Paradigm !Ise loudspeaker 35DCM I rame TF-250 loudspeaker 363D Acoustics Cube loudspeaker COVER DESIGN: 37NEC AVD-700E surround -sound processor ROBERT V. DELEVANTE, JR.. AND MICHAEL O. DELEVANTE COVER PHOTOS: NICHOLAS BASAION (EQUIP- Audio & Video MENT); UPI/BETTMANN NEWS - PHOTOS (BEATLES); COURTESY OF 42"I Con Make You an Awesome Deal" TRUSTEES OF PIERPONT MOR- b) Kenneth L. Kantor GAN LIBRARY ("PIRATES- POSTER) A speaker -shopper's guide to deceptive sales tactics ON THE COVER: 49Surround -Sound Attractions FROM TOP ADS L-990 LOUD- SPEAKER; BOSE AM -5 THREE-PIECE b) Robert B. Schulein SPEAKER SYSTEM; NEC AVD-700F Distinguishing good surround -sound from the so-so and SURROUND -SOUND PROCESSOR the downright bad Music CLASSICAL 56 Very Model Records of the Major Gilbert & Sullivan by Paul Kresh The early electric D'Oyly Cartes are reissued. POPULAR/BACKMEAT 70 Ono, Two, Three, Feud by Richard C. Walls, Jim Bessman, Jeff Nesin, Mark Moses, Ken Richardson. and David Browne The Beatles on Compact Disc and videocassette Departments 4Front LinesCopy -coding misconceptions S Letters 13Currents Yamaha makes more than a bit of a Mem Now (ISSN 00IS-145S) n pub- difference; First VHS Hi-Fi camcorder lohed monthly at 825 Seventh AveNew Sod. N '110019, by ABC Gossamer Mag 19Scan LinesRescuing Beta and the videodisc angles, Inc, a &moon of ABC Pubhshmg. Inc. and a subsidiary of Arnericon Brood - 54 Medley A call -to -arms for human drummers; casting Comecon*, Inc © 1987 by ABC RCA Red Seal revival Consumer Magazines, Inc The des,gn ond contents ere lolly Pro'ected by cOPYnghr 59 The CD Spread Symphonies by Mozart, Shostakovich, and must not be reproctocdany manse, Second-class postage paid at New York. and Sibelius; Guitar recital from Prevost New York, and at odd,' onal modmg offices 61Classical ReviewsBrendel plays Haydn; Solti Authoozed os second -clots mad by the Post Office Deportment. 0-tawo. and for pay conducts Verdi; Tchaikovsky from Karajan and Maazel meet of postage ,n cosh Yearly svbscr,phon ,n the U.S A. ond Possens,ons $13 95, else. 80Advertising index and Reader -Action Page where $20.95.Single cope, 12 50 (Cono. do 53 501 Subscribers. Send subscnat,ons. ,nosnries, and oddness changes to HIGH 1,0;;,?, P O. Box 10750. Des Moines. Iowa 50340 Change of address Give old and new oddtesses. mcludmq ZIP codes Enclose Iddress label Iron, Hs. t,.e and allow Iwo forchonge ..-ome elfectwe POSTMASTER: Send change of Warble to HIGH ROOM, P.O. Box 10751, Des Moines. IA 50340. FRONT LINE Ft Publisher/Editorial Director William Tynan Editor COPY -CODING MISCONCEPTIONS Mu had Riggs Art Director "I. had O. ) ARI WRITE 1 HIS CULL MN, OUR TECHNICAL EDITOR, DAVID Managing Editor anada, is in Washington, D.C., attending a joint hearing k.ohlt (.11.,11 Associate Editor before subcommittees of the House and Senate Judiciary Wilted Lima, ho Committees. The subject is legislation that would require Copy Editor inclusion of CBS's copy -guard circuitry in any digital audio Stephen Calvert Assistant Copy Editor tape deck sold in this country, to prevent dubbing of appro- Lehr litlhg priately encoded commercial recordings. We've been dis- Assistant Managing Editor B Y cussing this legislation for the last couple of issues (April Jonathan I(...al Assistant Managing Editor/Special Projects "Currents" and April and May "Front Lines"), and the 'Nighredo G.Fri-regal M I C H A EL copy -coding system itself is explained in our April 1986 Assistant to the Publisher "Currents" column. ITarleen D Edwards RIGGS Reader response indicates that there is some confusion TECHNICAL DEPARTMENT Technical Editor about the nature of the proposed copy -code system. The Das id Ranaili most serious misconception is that the system is digital in Assistant Technical Editor nature and therefore applicable only to CD and DAT. In Chi wapher Consulting Technical Editors fact, it is entirely analog. Any audio signal can be encoded, Edward jFoster, Robert long and any tape deck (including ordinary analog cassette Contributing Editors decks) can be fitted with copy -guard circuits that will tarn sleet.