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The MPMan music player, manufactured by the South Korean company SaeHan Information Systems, debuted in Asia in March 1998, and was the first mass-produced portable solid state digital audio players. The internal flash memory could be expanded, but there was no support for external memory. It was delivered with a docking station. To put music into the device, the music first had to be encoded in the mp3 format by an encoder provided by the user, and then transferred via the parallel port to the docking station that connected to the portable player device.〔(impress.co.jp - The impact created a problem!? mp3 player portable "mpman" launched )〕 On in Japan the Akihabara "Akiba ~ us" stores in Chūō, Tokyo started selling and models, the prices of which were (circa - today $) and , respectively.〔 In North America, the South Korean device was first imported for sale by Michael Robertson's in mid-1998. Around the same time, Eiger Labs, Inc. imported and rebranded the player in two models, the Eiger MPMan F10, and Eiger MPMan F20. The Eiger MPMan F10 was a very basic unit and wasn't user expandable, though owners could upgrade the memory from to by sending the player back to with a cheque for . Measuring at tall by wide by thick and weighing a little over , it was very compact. The US price in 1998 for the F10 model with flash memory was circa .〔(homotron.net - Happy 10th Birthday, MP3 Player! ) read 2011-11-01〕 The was a similar model that used SmartMedia cards for expansion, and ran on a single AA battery, instead of rechargeable NiMH batteries. ==Technical data MPMan MP F-10== *Player device: * * Memory: 16/32/64/128 (MP-F60 T12) MB * * Dimensions: 16.5 mm thick, 70 mm wide, 90 mm tall * * Weight: 65 grams (without battery) * * Signal/Noise ratio: 70 dB * * Distortion rate: 0.1% * * Maximum output: 5 mW * * Output Connector: 3.5 mm stereo TRS connector for headphones * * Frequency response: 20 – 20,000 Hz * * Power Supply: Rechargeable Battery (gum type DC 1.2V 1000mAh x 2) * * Power Supply (MP-F60 T12): (Rechargeable) AA Battery DC 1.5V x 1 * * Available colors: Gold, Pink, Silver, Skeleton black, Blue *Docking station: * * Dimensions: 30 mm thick, 133 mm x 110 mm * * Weight: 80 grams * * Power: DC 9V 400mA (AC adapter included) 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「MPMan」の詳細全文を読む スポンサード リンク
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