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PlayTape is an audiotape format and playback system introduced in 1966 by Frank Stanton.〔http://www.dianaschnuth.net/details/audio/playtape.html〕 It is a two-track system, and was launched to compete with existing 4-track cartridge technology. A PlayTape cartridge uses ⅛" tape.〔http://www.videointerchange.com/audio_history.htm#Smith_Corona__Mail_Call_Letterpack__Letter_pack_〕 The cartridges play anywhere from eight to 24 minutes, and are continuous. Because of its portability, PlayTape was an almost instant success, and over 3,000 artists had published in this format by 1968. White cases usually meant about eight songs were on the tape.〔http://www.friktech.com/btls/tapes/ptp.htm〕 At the time of PlayTape's launch, vinyl records reigned supreme, and Earl Muntz's Stereo-Pak (based on the broadcast "Fidelipac" cartridge system) was also a popular sound delivery system. His car players were offered with stereo sound. Bill Lear's 8-track tape system, though in production, had not yet achieved its market potential. Moreover, neither Lear or Muntz was offering a portable player, though Muntz eventually did sell one. While PlayTape found some success in reaching the youth audience, it was not as successful in targeting the business market.〔http://www.8trackheaven.com/playtape2.html〕 Stanton marketed his device as a dictation machine, but he was unable to persuade businesses to adopt his creation. Issues of player quality limited sales, and ultimately, the introduction of home and portable players by the 4-track and 8-track manufacturers led to the demise of PlayTape. Only a handful of small compact players, and a few very rare car players were sold to the open market. In the United States, Volkswagen was the only manufacturer to offer a PlayTape player as optional equipment. They are collectors' items today.〔http://www.videointerchange.com/audio_history.htm#Smith_Corona__Mail_Call_Letterpack__Letter_pack_〕 == Volkswagen Sapphire Players == Volkswagen saw a market opportunity in the U.S. for automotive audio players in 1968. Frank Stanton, president of PlayTape, announced that Motorola would manufacture an automotive player in OEM and aftermarket models for Volkswagen. The "Sapphire I" OEM model was designed for in-dash installation, and included an AM radio. The "Sapphire II" aftermarket version omitted the radio, and was designed to hang from the dashboard. The price for either unit was said to be about US$40 (about US$263 in 2012〔(【引用サイトリンク】url=http://www.davemanuel.com/inflation-calculator.php )〕). Stanton also claimed that VW dealers would carry about 250 PlayTape titles for sale, and that some Volkswagen dealers would also sell the full line of PlayTape home and portable players. "We feel that Volkswagen salesmen will be able to interest the purchaser of a Sapphire I player in a complementary model for his home," Stanton said. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「PlayTape」の詳細全文を読む スポンサード リンク
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