{"product_id":"tad-12dw7-7247","title":"TAD Tube Amp Doctor 12DW7\/7247, Premium Selected","description":"\u003cspan style=\"font-family: Verdana; color: #112244;\"\u003eGet your \u003cspan style=\"font-weight: bold;\"\u003eTAD Tube Amp Doctor 12DW7 \/ 7247 Premium Selected\u003c\/span\u003e tubes at \u003cspan style=\"font-weight: bold; color: #339966;\"\u003eHumbucker Music\u003c\/span\u003e!  As one of the largest dealers of high-end amplifiers in the world, we know and understand tubes (and the amps they go in). TAD tubes are carefully selected and undergo very strict quality control before being offered for sale. If they don't past this rigorous testing, they are not chosed to be TAD tubes. We highly endorse TAD replacement tubes for any high-end or boutique amplifier!\u003c\/span\u003e\u003cbr style=\"font-family: Verdana; color: #112244;\"\u003e \u003cbr style=\"font-family: Verdana; color: #112244;\"\u003e \u003cspan style=\"font-family: Verdana; color: #112244; font-weight: bold;\"\u003eDescription:\u003c\/span\u003e\u003cbr style=\"font-family: Verdana; color: #112244;\"\u003e \u003cbr style=\"font-family: Verdana; color: #112244;\"\u003e \u003cspan style=\"font-family: Verdana; color: #112244;\"\u003eAsymmetric double triode as used in select amplifiers such as many Swarts amps and the Dr. Z Surgical Steel.\u003cbr\u003e \u003cbr\u003e Q: When does a preamp tube become a Premium Selected tube?\u003cbr\u003e \u003cbr\u003e A: All preamp tubes labeled Premium Selected have passed the following tests:\u003cbr\u003e -    Low Noise Test\u003cbr\u003e -    Microphonic Test\u003cbr\u003e -    Gain Test\u003cbr\u003e -    Sonic Tests\u003cbr\u003e -    Shock Tests\u003cbr\u003e -    Listening Tests\u003cbr\u003e -    Balanced Output Test\u003cbr\u003e \u003cbr\u003e TAD Premium Selected\/Highgrade tubes are guaranteed for a period of 6 months (according to terms of warranties) \u003cbr\u003e for the quality criteria mentioned above.\u003c\/span\u003e\u003cspan style=\"font-family: Verdana; color: #112244;\"\u003e\u003c\/span\u003e","brand":"TAD","offers":[{"title":"Default","offer_id":687877062657,"sku":"TAD-RT044","price":24.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0758\/4003\/products\/TAD_12DW7.JPG?v=1516125684","url":"https:\/\/www.humbuckermusic.mom\/products\/tad-12dw7-7247","provider":"Humbucker Music","version":"1.0","type":"link"}