{"type":"product","schema_version":"1.0","item_id":"101676674418","canonical_url":"https://tw.bid.yahoo.com/item/101676674418","title":"sens117 一台好聽的美國 audio research Reference 3 前級","subtitle":null,"condition":"近全新","currency":"TWD","observed_at":"2026-04-24T21:20:10.273Z","current_price":150000,"original_price":null,"stock_status":"low_stock","available_quantity":1,"sold_quantity":0,"seller":{"id":"Y9919206645","name":"【賽門音響】音響精品","positive_rate":null,"rating_count":null},"images":[{"url":"https://img.yec.tw/ob/image/1fc55aea-712f-4e07-a0b4-94875b78bf72.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/4c2f99f7-9a23-4b21-ad75-1d7d3f99db62.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/14ec1571-aabe-4d6e-9441-e5f1dfff499c.jpg","role":"detail","alt":"商品圖片 3","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/854b2701-0373-4b51-b56d-882fd33ff53e.jpg","role":"detail","alt":"商品圖片 4","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/c536eb83-b966-4582-8da8-98c70446316d.jpg","role":"detail","alt":"商品圖片 5","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/ef3d65c0-9a08-4133-9968-6deeb433a380.jpg","role":"detail","alt":"商品圖片 6","width":null,"height":null}],"description":"代友售一台美國 audio research Reference 3 前級，狀況良好附原遙控器，歡迎高雄自取面交。\n\n Specifications\n\nFREQUENCY RESPONSE: +0 -3dB 0.2Hz to 200kHz at rated output. (BALANCED, 200k ohms load.)\n\nDISTORTION: Less than .01% at 2V RMS Balanced output.\n\nGAIN: Main output (SE or BAL input): 11.6dB Balanced output, 5.6dB Single Ended output. \n\nTape output: 0dB. (Processor input: 0dB Balanced)\n\nINPUT IMPEDANCE: 120K ohms Balanced, 60K ohms SE, \n\nInputs (7): CD, TUNER, VIDEO, PHONO, AUX 1, AUX 2, PROCESSOR. (XLR and RCA connectors).\n\nOUTPUT IMPEDANCE: 600 ohms Balanced, 300 ohms SE main (2), 20K ohms minimum load and 2000pF maximum capacitance. Outputs (3): 2 main, 1 tape (XLR and RCA connectors).\n\nOUTPUT POLARITY: Non inverting \n\nMAXIMUM INPUT: 20V RMS maximum Balanced, (10V RMS SE).\n\nRATED OUTPUTS: 2V RMS (1V RMS SE) into 200K ohm balanced load (maximum balanced output capability is 30V RMS at less than 0.5% THD at 1kHz).\n\nCONTROLS: Volume (104 steps), Select Input. Push Buttons: Power, Proc, BAL/SE, Mute.\n\nPOWER SUPPLIES: Electronically regulated low and high voltage supplies. Automatic 40 sec. warm-up/brown-out mute. Line regulation better than .01%.\n\nNOISE: 2.7uV RMS residual IHF weighted balanced equivalent input noise with volume at 1 (106dB below 2V RMS output.)\n\nTUBE COMPLEMENT: (4)-6H30P dual triodes, plus (1 each) 6550C and 6H30P in power supply.\n\nPOWER REQUIREMENTS: 100-135VAC 60Hz (200-270VAC 50/60Hz) 125 watts.\n\nDIMENSIONS: 19\" (48 cm) W x 7\" (17.8 cm) H (standard panel) x 15.5\" (39.4 cm) D. Handles extend 1 . forward of the front panel. 5\" (3.8 cm)\n\nWEIGHT: 29.6 lbs. (13.5 kg)","shipping_methods":[{"name":"郵局掛號","fee":0,"currency":"TWD"},{"name":"宅配/貨運","fee":0,"currency":"TWD"},{"name":"面交/自取/不寄送","fee":0,"currency":"TWD"}],"lowest_shipping_fee":null,"payment_methods":["ATM轉帳","信用卡一次付清"],"category_id":"2092075250","category_name":"前級擴大機","breadcrumb":[{"id":"2092101502","name":"家電與影音視聽","url":"/tw/%E5%AE%B6%E9%9B%BB%E8%88%87%E5%BD%B1%E9%9F%B3%E8%A6%96%E8%81%BD-2092101502-category.html"},{"id":"2092105885","name":"影音/視聽/MP3","url":"/tw/%E5%BD%B1%E9%9F%B3-%E8%A6%96%E8%81%BD-MP3-2092105885-category.html"},{"id":"2092075249","name":"擴大機","url":"/tw/%E6%93%B4%E5%A4%A7%E6%A9%9F-2092075249-category.html"},{"id":"2092075250","name":"前級擴大機","url":"/tw/%E5%89%8D%E7%B4%9A%E6%93%B4%E5%A4%A7%E6%A9%9F-2092075250-category.html"}],"view_count":51,"watch_count":7}