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Negative feedback doesn't always decrease amplifier distortion!

Martin Colloms argues persuasively in the January 1998 Stereophile that negative feedback is not the panacea that amplifier designers believe it to be. His experience of an amplifier (the Cary CAD-805C) and a preamplifier (the Conrad-Johnson ART) that use no negative feedback other than local degeneration, yet have sound quality better than he has previously experienced, convinces him that even when a design's closed-loop distortion appears to be acceptably low, the listener is still aware of an amplifier's very distorted open-loop behavior.


DVD-equipped computers take over the world!

Digital Versatile Disc (DVD)---the well-publicized successor to VHS tapes, compact discs (CDs), and CD-ROMs---will struggle in the video and music industries, but be a major success for the personal computer industry, according to a recent report from Forrester Research. The report concludes that PC manufacturers will rapidly embrace DVD, resulting in an installed base of 53 million DVD-equipped PCs by 2002.


Christmas Discs Add Holiday Cheer

Only a few days remain until Christmas. Trees, tinsel, twinkling lights, and . . . tunes. It's the audiofool's most dreaded time of the year, when he once again suffers through his nine-thousandth experience of Bing Crosby crooning "Rudolph the Red-Nosed Reindeer." Sheer torture.


TAG McLaren F1 company buys Audiolab, UK audio manufacturer

UK electronics specialty manufacturer Audiolab has been taken over by leading Grand Prix car-racing company TAG McLaren---or, more precisely, by the TAG McLaren Group. A newly formed company, TAG Electronics Holdings Ltd., will be the parent of both Cambridge Systems Technology Ltd. (which trades as Audiolab) and TAG Electronic Systems Ltd. (which supplies specialist, low-volume electronic engine-management systems to exclusive high-end automobile brands).


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